/* =============================================================================
   Supplier Solutions - Professional Business Theme
   Enterprise-grade UI with refined design and polished interactions
   ============================================================================= */

/* =============================================================================
   DESIGN SYSTEM - COLOR PALETTE
   ============================================================================= */
:root {
    /* Primary Brand Colors */
    --color-primary: #2C5282;
    --color-primary-light: #3C6BA5;
    --color-primary-dark: #1A365D;
    --color-primary-hover: #234768;
    /* Secondary Colors */
    --color-secondary: #4A5568;
    --color-secondary-light: #718096;
    --color-secondary-dark: #2D3748;
    /* Accent Colors */
    --color-accent: #0891B2;
    --color-accent-light: #06B6D4;
    /* Semantic Colors */
    --color-success: #059669;
    --color-success-light: #D1FAE5;
    --color-success-dark: #047857;
    --color-warning: #D97706;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #B45309;
    --color-danger: #DC2626;
    --color-danger-light: #FEE2E2;
    --color-danger-dark: #B91C1C;
    --color-info: #0891B2;
    --color-info-light: #CFFAFE;
    --color-info-dark: #0E7490;
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    /* Background Colors */
    --bg-page: #F3F4F6;
    --bg-content: #FFFFFF;
    --bg-section: #F9FAFB;
    --bg-hover: #F3F4F6;
    /* Border Colors */
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --border-dark: #9CA3AF;
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --text-inverse: #FFFFFF;
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================================================
   RESET AND BASE STYLES
   ============================================================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.9375rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================================================
   LOGO STYLES
   ============================================================================= */
.logo, .logoheader {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: 1.5rem;
}

    .logo > div,
    .logoheader > div {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 0.75rem;
    }

    .logo img, .logoheader img {
        display: inline-block;
        vertical-align: middle;
    }

    .logo h1 {
        color: var(--text-primary);
        margin: 0 0 0.75rem 0;
        font-weight: 600;
        letter-spacing: -0.025em;
    }

    .logo p {
        color: var(--text-secondary);
        margin: 0.75rem 0 0 0;
        display: block;
        font-size: 0.9375rem;
    }

/* =============================================================================
   LAYOUT COMPONENTS
   ============================================================================= */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-fluid {
    max-width: 100%;
    padding: 0 1.5rem;
    margin: 0 auto;
}

.page-header {
    background: var(--bg-content);
    border-bottom: 1px solid var(--border-light);
    padding: 1.5rem 0;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-xs);
}

.page-title {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.375rem 0;
    letter-spacing: -0.025em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin: 0;
    font-weight: 400;
}

.page-description {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
}

/* =============================================================================
   NAVIGATION - MOBILE RESPONSIVE
   ============================================================================= */
.nav-bar {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--text-inverse);
    padding: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0;
    text-decoration: none;
    color: var(--text-inverse);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    transition: opacity var(--transition-base);
}

    .nav-brand:hover {
        opacity: 0.9;
    }

    .nav-brand .logo-icon {
        height: 32px;
        width: auto;
    }

    .nav-brand .logo-full {
        height: 28px;
        width: auto;
        max-width: 200px;
    }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    transition: transform var(--transition-base);
}

    .nav-toggle:hover {
        transform: scale(1.05);
    }

    .nav-toggle span {
        width: 24px;
        height: 2px;
        background-color: var(--text-inverse);
        border-radius: 2px;
        transition: all var(--transition-base);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
}

    .nav-menu li {
        margin: 0;
    }

    .nav-menu a {
        display: block;
        color: var(--text-inverse);
        text-decoration: none;
        padding: 0.75rem 1.25rem;
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
        position: relative;
        font-weight: 500;
        font-size: 0.9375rem;
    }

        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            color: var(--text-inverse);
            text-decoration: none;
        }

        .nav-menu a.active {
            background: rgba(255, 255, 255, 0.2);
            font-weight: 600;
        }

            .nav-menu a.active::after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 15%;
                right: 15%;
                height: 2px;
                background: var(--text-inverse);
                border-radius: 2px 2px 0 0;
            }

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-inverse);
    font-size: 0.875rem;
}

.nav-user-name {
    display: inline;
    opacity: 0.95;
    font-weight: 500;
}

.nav-user a {
    color: var(--text-inverse);
    text-decoration: none;
    padding: 0.625rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.875rem;
}

    .nav-user a:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.5);
        transform: translateY(-1px);
        color: var(--text-inverse);
        text-decoration: none;
        box-shadow: var(--shadow-sm);
    }

/* =============================================================================
   HEADER STYLES
   ============================================================================= */
.header {
    background: var(--color-gray-800);
    color: var(--text-inverse);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

    .user-info span {
        color: var(--color-gray-300);
        font-weight: 500;
    }

    .user-info a {
        color: var(--text-inverse);
        text-decoration: none;
        padding: 0.625rem 1.25rem;
        border: 1px solid var(--color-gray-600);
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
        font-weight: 500;
    }

        .user-info a:hover {
            background: var(--color-gray-700);
            border-color: var(--color-gray-500);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

/* =============================================================================
   MAIN CONTENT AREA
   ============================================================================= */
.main-content {
    background: var(--bg-content);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: 1.5rem 0;
    border: 1px solid var(--border-light);
}

/* =============================================================================
   LOGIN AND AUTHENTICATION
   ============================================================================= */
.login-container {
    max-width: 420px;
    margin: 3rem auto;
    padding: 2rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    background: var(--bg-content);
    box-shadow: var(--shadow-xl);
}

.login-btn {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

    .login-btn:hover {
        background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .login-btn:active {
        transform: translateY(0);
    }

.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

    .forgot-password a {
        color: var(--color-primary);
        text-decoration: none;
        font-weight: 500;
        transition: color var(--transition-base);
    }

        .forgot-password a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

/* =============================================================================
   FORM STYLES
   ============================================================================= */
.form-group {
    margin-bottom: 1.25rem;
}

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 600;
        font-size: 0.875rem;
        color: var(--text-primary);
        letter-spacing: -0.01em;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 0.625rem 0.875rem;
        font-size: 0.9375rem;
        border: 1px solid var(--border-medium);
        border-radius: var(--radius-md);
        box-sizing: border-box;
        transition: all var(--transition-base);
        background: var(--bg-content);
        color: var(--text-primary);
        font-family: var(--font-primary);
    }

        .form-group input:hover,
        .form-group select:hover,
        .form-group textarea:hover {
            border-color: var(--border-dark);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
        }

    .form-group textarea {
        resize: vertical;
        min-height: 80px;
        font-family: var(--font-primary);
        line-height: 1.6;
    }

    .form-group .field-hint {
        font-size: 0.8125rem;
        color: var(--text-tertiary);
        margin-top: 0.375rem;
        line-height: 1.5;
    }

    .form-group .validation-message {
        font-size: 0.8125rem;
        color: var(--text-tertiary);
        margin-top: 0.375rem;
    }

    .form-group .validation-error {
        color: var(--color-danger);
    }

    .form-group .validation-success {
        color: var(--color-success);
    }

.form-row {
    display: flex;
    gap: 1.25rem;
}

    .form-row .form-group {
        flex: 1;
    }

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-section {
    margin-bottom: 1.75rem;
    padding: 1.25rem;
    background-color: var(--bg-section);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-xs);
}

    .form-section h3 {
        margin-top: 0;
        margin-bottom: 1rem;
        color: var(--text-primary);
        border-bottom: 2px solid var(--border-light);
        padding-bottom: 0.625rem;
        font-size: 1rem;
        font-weight: 700;
        letter-spacing: -0.025em;
    }

/* =============================================================================
   BUTTON STYLES
   ============================================================================= */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    background: var(--color-primary);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 600;
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-xs);
    line-height: 1.5;
}

    .btn:hover {
        background: var(--color-primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
        color: var(--text-inverse);
        text-decoration: none;
    }

    .btn:active {
        transform: translateY(0);
        box-shadow: var(--shadow-xs);
    }

.btn-sm {
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

    .btn-primary:hover {
        background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    }

.btn-secondary {
    background: var(--color-secondary);
}

    .btn-secondary:hover {
        background: var(--color-secondary-dark);
    }

.btn-danger {
    background: var(--color-danger);
}

    .btn-danger:hover {
        background: var(--color-danger-dark);
    }

.btn-success {
    background: var(--color-success);
}

    .btn-success:hover {
        background: var(--color-success-dark);
    }

.btn-warning {
    background: var(--color-warning);
    color: var(--text-inverse);
}

    .btn-warning:hover {
        background: var(--color-warning-dark);
    }

.btn-info {
    background: var(--color-info);
}

    .btn-info:hover {
        background: var(--color-info-dark);
    }

.btn-approve {
    background: var(--color-success);
    color: var(--text-inverse);
}

    .btn-approve:hover {
        background: var(--color-success-dark);
    }

.btn-reject {
    background: var(--color-danger);
    color: var(--text-inverse);
}

    .btn-reject:hover {
        background: var(--color-danger-dark);
    }

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: none;
}

    .btn-outline-primary:hover {
        background: var(--color-primary);
        color: var(--text-inverse);
    }

.btn-outline-secondary {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
    box-shadow: none;
}

    .btn-outline-secondary:hover {
        background: var(--color-secondary);
        color: var(--text-inverse);
    }

.processing-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.processing-btn.loading::before {
    content: "⏳ ";
    margin-right: 0.375rem;
}

/* =============================================================================
   ALERT STYLES
   ============================================================================= */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid transparent;
    font-size: 0.9375rem;
    box-shadow: var(--shadow-sm);
}

.alert-error {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
    border-left-color: var(--color-danger);
}

.alert-success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
    border-left-color: var(--color-success);
}

.alert-warning {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-left-color: var(--color-warning);
}

.alert-info {
    background: var(--color-info-light);
    color: var(--color-info-dark);
    border-left-color: var(--color-info);
}

/* =============================================================================
   TABLE STYLES
   ============================================================================= */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1.5rem 0;
    font-size: 0.875rem;
}

    .table th,
    .table td {
        padding: 1rem 0.75rem;
        text-align: left;
        border-bottom: 1px solid var(--border-light);
    }

    .table th {
        background: var(--bg-section);
        font-weight: 700;
        color: var(--text-primary);
        font-size: 0.8125rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        border-bottom: 2px solid var(--border-medium);
    }

    .table tbody tr {
        transition: background-color var(--transition-base);
    }

        .table tbody tr:hover {
            background: var(--bg-hover);
        }

        .table tbody tr:last-child td {
            border-bottom: none;
        }

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-section);
}

.table-striped tbody tr:nth-of-type(even) {
    background-color: var(--bg-content);
}

.table-striped tbody tr:hover {
    background: var(--bg-hover);
}

.table-responsive {
    max-height: 500px;
    overflow-y: auto;
    border-radius: var(--radius-lg);
   
}

.table-hover tbody tr {
    cursor: pointer;
}

/* Simple Table */
.simple-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-content);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

    .simple-table th {
        background: var(--bg-section);
        color: var(--text-primary);
        font-weight: 700;
        padding: 1rem 1.25rem;
        text-align: left;
        border-bottom: 2px solid var(--border-medium);
        font-size: 0.8125rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .simple-table td {
        padding: 1rem 1.25rem;
        border-bottom: 1px solid var(--border-light);
    }

    .simple-table tbody tr {
        transition: background-color var(--transition-base);
    }

        .simple-table tbody tr:hover {
            background: var(--bg-hover);
        }

        .simple-table tbody tr:last-child td {
            border-bottom: none;
        }

/* Data Table Enhanced */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-content);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: 1.5rem 0;
    border: 1px solid var(--border-light);
}

    .data-table th {
        background: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-hover) 100%);
        color: var(--text-primary);
        font-weight: 700;
        padding: 1rem 1rem;
        text-align: left;
        border-bottom: 2px solid var(--border-medium);
        font-size: 0.8125rem;
        position: sticky;
        top: 0;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        z-index: 10;
    }

    .data-table td {
        padding: 0.875rem 1rem;
        border-bottom: 1px solid var(--border-light);
        font-size: 0.875rem;
    }

    .data-table tbody tr {
        transition: all var(--transition-base);
    }

        .data-table tbody tr:hover {
            background: var(--bg-hover);
            box-shadow: inset 0 0 0 1px var(--border-medium);
        }

/* Table row states */
#accountsTable tbody tr,
#transactionTable tbody tr,
#invoiceTable tbody tr {
    cursor: pointer;
}

.needs-parent {
    background-color: var(--color-warning-light);
    border-left: 3px solid var(--color-warning);
}

    .needs-parent:hover {
        background-color: #FDE68A;
    }

.unknown-account {
    background-color: var(--color-danger-light);
    border-left: 3px solid var(--color-danger);
}

    .unknown-account:hover {
        background-color: #FECACA;
    }

.inactive-account {
    background-color: var(--color-gray-100);
    color: var(--text-tertiary);
    border-left: 3px solid var(--color-gray-400);
}

    .inactive-account:hover {
        background-color: var(--color-gray-200);
    }

.error-row {
    background-color: var(--color-danger-light);
    border-left: 3px solid var(--color-danger);
}

    .error-row:hover {
        background-color: #FECACA;
    }

.warning-row {
    background-color: var(--color-warning-light);
    border-left: 3px solid var(--color-warning);
}

    .warning-row:hover {
        background-color: #FDE68A;
    }

/* Hierarchical Table */
.hierarchical-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

    .hierarchical-table thead {
        background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
        color: var(--text-inverse);
    }

    .hierarchical-table th {
        padding: 1rem;
        text-align: left;
        font-weight: 700;
        font-size: 0.8125rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .hierarchical-table tbody tr {
        border-bottom: 1px solid var(--border-light);
        transition: background-color var(--transition-base);
    }

    .hierarchical-table td {
        padding: 0.875rem 1rem;
    }

    .hierarchical-table tfoot {
        background: var(--bg-section);
        font-weight: 700;
        border-top: 2px solid var(--border-medium);
    }

        .hierarchical-table tfoot td {
            padding: 1rem;
        }

.parent-row {
    background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--bg-section) 100%);
    font-weight: 700;
    cursor: pointer;
}

    .parent-row:hover {
        background: var(--color-gray-200);
    }

.child-row {
    display: none;
    background: var(--bg-content);
}

    .child-row.expanded {
        display: table-row;
    }

    .child-row:hover {
        background: var(--bg-hover);
    }

    .child-row td:first-child {
        padding-left: 3rem;
    }

.expand-icon {
    display: inline-block;
    width: 0;
    height: 0;
    margin-right: 0.625rem;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--text-primary);
    transition: transform var(--transition-base);
    vertical-align: middle;
}

    .expand-icon.expanded {
        transform: rotate(180deg);
    }

.table-controls {
    margin-bottom: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.export-buttons {
    display: flex;
    gap: 0.5rem;
}

/* =============================================================================
   CARD STYLES
   ============================================================================= */
.card {
    background: var(--bg-content);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-hover) 100%);
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid var(--border-light);
}

.card-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: var(--bg-section);
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-light);
}

/* Summary/Stat Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-content);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
    padding: 1.5rem;
    overflow: hidden;
    position: relative;
}

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    }

    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
        border-color: var(--border-medium);
    }

    .stat-card .card-header {
        padding: 0 0 1rem;
        border-bottom: 2px solid var(--border-light);
        background: transparent !important;
    }

    .stat-card .card-title {
        color: var(--text-primary) !important;
        font-size: 0.875rem;
        font-weight: 700;
        margin: 0 0 0.75rem 0;
        display: flex;
        align-items: center;
        gap: 0.625rem;
        justify-content: center;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .stat-card .card-body {
        padding: 1.25rem 0 0;
    }

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0.625rem;
}

    .stat-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.stat-value {
    color: var(--color-primary);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    color: var(--text-primary);
}

.stat-trend {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-left: 0.625rem;
    font-weight: 600;
}

.trend-up {
    background: var(--color-success-light);
    color: var(--color-success-dark);
}

.trend-down {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
}

/* SLA Report Card Styles */
.sla-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

    .sla-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .sla-card:hover::before {
        opacity: 1;
    }

    .sla-card:hover {
        transform: translateY(-6px) scale(1.02);
        box-shadow: var(--shadow-xl);
    }

.sla-complete {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
}

.sla-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-dark) 100%);
}

.sla-danger {
    background: linear-gradient(135deg, var(--color-danger) 0%, var(--color-danger-dark) 100%);
}

.sla-icon {
    margin-bottom: 0.75rem;
}

    .sla-icon i {
        font-size: 2.5rem;
        opacity: 0.9;
    }

.sla-count {
    font-size: 3rem;
    font-weight: 800;
    margin: 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    letter-spacing: -0.025em;
}

.sla-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sla-percentage {
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    opacity: 0.95;
    font-weight: 500;
}

/* =============================================================================
   BADGE STYLES
   ============================================================================= */
.badge {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.375rem;
    display: inline-block;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.badge-status {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-lg);
}

.badge-success {
    background-color: var(--color-success);
    color: var(--text-inverse);
}

.badge-warning {
    background-color: var(--color-warning);
    color: var(--text-inverse);
}

.badge-danger {
    background-color: var(--color-danger);
    color: var(--text-inverse);
}

.badge-secondary {
    background-color: var(--color-secondary);
    color: var(--text-inverse);
}

.badge-info {
    background-color: var(--color-info);
    color: var(--text-inverse);
}

.needs-attention-badge {
    background-color: var(--color-warning);
    color: var(--text-inverse);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.375rem;
}

.unknown-badge {
    background-color: var(--color-danger);
    color: var(--text-inverse);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.375rem;
}

/* =============================================================================
   MODAL STYLES
   ============================================================================= */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(17, 24, 39, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

    .modal.fade {
        opacity: 0;
        transition: opacity var(--transition-slow);
    }

        .modal.fade.show {
            opacity: 1;
        }

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-gray-900);
    opacity: 0.75;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 0.5rem;
    pointer-events: none;
}

.modal.fade .modal-dialog {
    transition: transform var(--transition-slow);
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 1rem);
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--bg-content);
    background-clip: padding-box;
    border: none;
    border-radius: var(--radius-xl);
    outline: 0;
    margin: 3% auto;
    padding: 0;
    max-width: 640px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn var(--transition-slow) ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content.modal-lg {
    max-width: 960px;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: none;
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--text-inverse);
    position: relative;
}

    .modal-header h2 {
        color: var(--text-inverse);
        font-size: 1.375rem;
        font-weight: 700;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        letter-spacing: -0.025em;
    }

        .modal-header h2::before {
            content: '📄';
            font-size: 1.5rem;
        }

    .modal-header .close {
        position: absolute;
        right: 1.5rem;
        top: 50%;
        transform: translateY(-50%);
        padding: 0;
        margin: 0;
        background: rgba(255, 255, 255, 0.1);
        border: none;
        color: var(--text-inverse);
        font-size: 1.75rem;
        font-weight: 300;
        line-height: 1;
        opacity: 0.8;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: all var(--transition-base);
        cursor: pointer;
    }

        .modal-header .close:hover,
        .modal-header .close:focus {
            opacity: 1;
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-50%) rotate(90deg);
            outline: none;
        }

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 2rem;
    background: var(--bg-content);
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: 1.25rem 2rem;
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
    border-bottom-right-radius: var(--radius-xl);
    border-bottom-left-radius: var(--radius-xl);
    gap: 0.75rem;
}

    .modal-footer .btn {
        min-width: 100px;
        padding: 0.75rem 1.5rem;
        font-weight: 600;
        transition: all var(--transition-base);
    }

    .modal-footer .btn-primary {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
        border: none;
    }

        .modal-footer .btn-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

/* Modal Loading State */
.modal-loading {
    text-align: center;
    padding: 4rem 1.5rem;
    color: var(--text-tertiary);
}

    .modal-loading p {
        color: var(--text-tertiary);
        font-size: 0.9375rem;
        margin-top: 1.5rem;
        font-weight: 500;
    }

/* Modal Error State */
.modal-error {
    padding: 1.25rem 1.5rem;
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-danger);
    margin: 1.25rem;
    font-weight: 500;
}

/* =============================================================================
   LOADING STYLES
   ============================================================================= */
.loading-spinner {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-light);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 24, 39, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

/* =============================================================================
   DETAIL GRID
   ============================================================================= */
.detail-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.detail-label {
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.detail-value {
    color: var(--text-secondary);
    font-weight: 500;
}

/* =============================================================================
   MESSAGE SECTIONS
   ============================================================================= */
.message-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-light);
}

    .message-section:first-of-type {
        border-top: none;
        padding-top: 0;
        margin-top: 0;
    }

    .message-section h3 {
        color: var(--color-primary);
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 0.625rem;
        border-bottom: 2px solid var(--color-primary);
        padding-bottom: 0.5rem;
        letter-spacing: -0.025em;
    }

        .message-section h3::before {
            content: '📋';
            font-size: 1.125rem;
        }

    .message-section textarea {
        width: 100%;
        min-height: 180px;
        padding: 1rem;
        background: var(--bg-section);
        border: 1px solid var(--border-medium);
        border-radius: var(--radius-lg);
        font-family: var(--font-mono);
        font-size: 0.8125rem;
        line-height: 1.6;
        resize: vertical;
        transition: all var(--transition-base);
    }

        .message-section textarea:focus {
            background: var(--bg-content);
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
            outline: none;
        }

/* =============================================================================
   TABS
   ============================================================================= */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-light);
    margin-bottom: 1.5rem;
    gap: 0.25rem;
}

.tab {
    padding: 1rem 1.75rem;
    cursor: pointer;
    border: none;
    background: none;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-base);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

    .tab:hover {
        color: var(--color-primary);
        background: var(--bg-hover);
    }

    .tab.active {
        color: var(--color-primary);
        border-bottom-color: var(--color-primary);
        font-weight: 700;
        background: var(--bg-content);
        margin-bottom: -2px;
    }

.tab-content {
    display: none;
}

    .tab-content.active {
        display: block;
    }

/* =============================================================================
   TOAST NOTIFICATION STYLES
   ============================================================================= */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    max-width: 420px;
}

.toast {
    background: var(--bg-content);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    margin-bottom: 0.75rem;
    overflow: hidden;
    animation: slideInRight var(--transition-slow) ease-out;
    min-width: 280px;
    max-width: 400px;
    font-size: 0.9375rem;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.hiding {
    animation: slideOutRight var(--transition-slow) ease-in;
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-header {
    padding: 1rem 1.25rem;
    border-bottom: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    font-size: 0.9375rem;
}

    .toast-header::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        border-radius: var(--radius-lg) 0 0 0;
    }

    .toast-header strong {
        font-weight: 700;
        font-size: 0.9375rem;
        flex: 1;
        letter-spacing: -0.01em;
    }

    .toast-header .close {
        background: none;
        border: none;
        font-size: 1.375rem;
        font-weight: 700;
        line-height: 1;
        opacity: 0.5;
        padding: 0;
        cursor: pointer;
        transition: opacity var(--transition-base);
        margin-left: auto;
        color: inherit;
    }

        .toast-header .close:hover,
        .toast-header .close:focus {
            opacity: 0.8;
            outline: none;
        }

.toast-body {
    padding: 1rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    background: var(--bg-content);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Success Toast */
.toast-header.bg-success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
    border-bottom: 1px solid var(--color-success);
}

    .toast-header.bg-success::before {
        background: var(--color-success);
    }

    .toast-header.bg-success strong::before {
        content: '✓ ';
        font-weight: bold;
        margin-right: 0.375rem;
    }

/* Error/Danger Toast */
.toast-header.bg-danger {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
    border-bottom: 1px solid var(--color-danger);
}

    .toast-header.bg-danger::before {
        background: var(--color-danger);
    }

    .toast-header.bg-danger strong::before {
        content: '✗ ';
        font-weight: bold;
        margin-right: 0.375rem;
    }

/* Warning Toast */
.toast-header.bg-warning {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-bottom: 1px solid var(--color-warning);
}

    .toast-header.bg-warning::before {
        background: var(--color-warning);
    }

    .toast-header.bg-warning strong::before {
        content: '⚠ ';
        font-weight: bold;
        margin-right: 0.375rem;
    }

/* Info Toast */
.toast-header.bg-info {
    background: var(--color-info-light);
    color: var(--color-info-dark);
    border-bottom: 1px solid var(--color-info);
}

    .toast-header.bg-info::before {
        background: var(--color-info);
    }

    .toast-header.bg-info strong::before {
        content: 'ℹ ';
        font-weight: bold;
        margin-right: 0.375rem;
    }

/* =============================================================================
   FILTER AND SEARCH BAR
   ============================================================================= */
.filter-bar {
    z-index: 100;
    border-bottom: 1px solid var(--border-light);
    padding: 1rem;
    background: var(--bg-content);
    box-shadow: var(--shadow-sm);
}

    .filter-bar .form-group {
        margin-bottom: 0;
    }

    .filter-bar .form-control {
        font-size: 0.875rem;
        padding: 0.625rem 0.875rem;
        height: auto;
    }

    .filter-bar .btn {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
    }

.search-filters {
    background: var(--bg-content);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.filter-row {
    display: flex;
    gap: 1.25rem;
    align-items: end;
}

    .filter-row .form-group {
        margin-bottom: 0;
    }

/* =============================================================================
   PROCESS STEP AND CHART STYLES
   ============================================================================= */
.process-step-card {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

    .process-step-card h3 {
        font-size: 1.125rem;
        margin-bottom: 1rem;
        font-weight: 700;
        color: var(--text-primary);
    }

    .process-step-card .table {
        font-size: 0.875rem;
    }

        .process-step-card .table th,
        .process-step-card .table td {
            padding: 0.75rem;
        }

.chart-container {
    position: relative;
    height: 280px;
    margin-top: 1.5rem;
}

/* =============================================================================
   DASHBOARD SPECIFIC
   ============================================================================= */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-stat-card {
    background: var(--bg-content);
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--border-light);
}

    .dashboard-stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }

    .dashboard-stat-card h3 {
        color: var(--text-tertiary);
        font-size: 0.8125rem;
        margin-bottom: 1rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-weight: 700;
    }

    .dashboard-stat-card .stat-number {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: -0.025em;
    }

/* =============================================================================
   ADMIN AND ACTION STYLES
   ============================================================================= */
.approval-actions {
    white-space: nowrap;
}

    .approval-actions .btn {
        font-size: 0.8125rem;
        padding: 0.5rem 1rem;
        margin: 0 0.25rem;
    }

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1;
}

.no-pending {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-tertiary);
}

    .no-pending h3 {
        margin-bottom: 0.75rem;
        color: var(--text-secondary);
        font-weight: 600;
    }

.action-links {
    text-align: center;
    margin-top: 1.5rem;
}

/* =============================================================================
   PASSWORD STYLES
   ============================================================================= */
#passwordMessage {
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

.password-status-success {
    color: var(--color-success);
}

.password-status-error {
    color: var(--color-danger);
}

.password-match-indicator {
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    padding: 0.375rem 0;
}

.token-input {
    font-family: var(--font-mono);
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */
.hide {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mt-5 {
    margin-top: 3rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-10 {
    gap: 0.625rem;
}

.gap-15 {
    gap: 1rem;
}

.gap-20 {
    gap: 1.25rem;
}

/* =============================================================================
   ICONS (PSEUDO-ELEMENT ICONS)
   ============================================================================= */
.stat-icon {
    width: 18px;
    height: 18px;
    display: inline-block;
    margin-right: 0.5rem;
}

    .stat-icon.users::before {
        content: "👥";
    }

    .stat-icon.transactions::before {
        content: "💳";
    }

    .stat-icon.revenue::before {
        content: "💰";
    }

    .stat-icon.growth::before {
        content: "📈";
    }

/* =============================================================================
   RESPONSIVE DESIGN
   ============================================================================= */
@media (min-width: 576px) {
    .modal-dialog {
        max-width: 540px;
        margin: 2rem auto;
    }

    .modal-dialog-centered {
        min-height: calc(100% - 4rem);
    }
}

@media (min-width: 992px) {
    .modal-lg,
    .modal-xl {
        max-width: 860px;
    }
}

@media (min-width: 1200px) {
    .modal-xl {
        max-width: 1200px;
    }
}

@media (max-width: 992px) {
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .nav-container {
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: flex;
        order: 2;
    }

    .nav-brand {
        order: 1;
        flex: 1;
    }

        .nav-brand .logo-full {
            max-width: 140px;
        }

    .nav-menu {
        order: 3;
        width: 100%;
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
        background: var(--color-primary-dark);
        margin: 0 -1.5rem;
        padding: 0;
    }

        .nav-menu.active {
            max-height: 500px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .nav-menu li {
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .nav-menu a {
            padding: 1rem 1.5rem;
            border-radius: 0;
        }

    .nav-user {
        order: 4;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
        background: var(--color-primary-dark);
        margin: 0 -1.5rem;
        padding: 0;
    }

        .nav-user.active {
            max-height: 250px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

    .nav-user-name {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        width: 100%;
    }

    .nav-user a {
        padding: 1rem 1.5rem;
        display: block;
        width: 100%;
        border-radius: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        margin-left: 0;
        border: none;
    }

    /* Mobile Layout Adjustments */
    .container {
        padding: 1rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .form-row {
        flex-direction: column;
    }

    .form-row-2col {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

    .stat-card {
        margin-bottom: 1rem;
    }

    .login-container {
        margin: 1.5rem;
        padding: 1.5rem;
        max-width: 500px;
    }

    .main-content {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .data-table {
        font-size: 0.8125rem;
    }

        .data-table th,
        .data-table td {
            padding: 0.75rem 0.5rem;
        }

    .approval-actions .btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
        margin: 0.125rem;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
    }

    .modal-body {
        max-height: calc(100vh - 220px);
        padding: 1.5rem;
    }

    .hierarchical-table {
        font-size: 0.8125rem;
    }

        .hierarchical-table th,
        .hierarchical-table td {
            padding: 0.75rem 0.5rem;
        }

    .child-row td:first-child {
        padding-left: 2rem;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        top: 1rem;
        max-width: none;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

    .sla-card {
        min-height: 140px;
        padding: 1.25rem;
    }

    .sla-count {
        font-size: 2.5rem;
    }

    .sla-label {
        font-size: 0.8125rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .nav-brand .logo-full {
        max-width: 110px;
    }

    .nav-brand .logo-icon {
        height: 28px;
    }

    .page-title {
        font-size: 1.375rem;
    }

    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }

    .login-btn {
        padding: 0.75rem;
        font-size: 0.9375rem;
    }

    .stat-card .card-title {
        font-size: 0.8125rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .modal-content {
        width: 98%;
        margin: 2% auto;
    }

    .modal-header {
        padding: 1.25rem 1.5rem;
    }

    .modal-body {
        padding: 1.25rem;
    }

    .modal-footer {
        padding: 1rem 1.5rem;
    }
}