/* ============================================================================
   RESIQO DESIGN SYSTEM
   Color palette, typography, and CSS custom properties
   ============================================================================ */

:root {
    /* ========== Brand Identity ========== */
    --brand-navy:      #0b2f6b;  /* Sidebar, headlines, navigation */
    --brand-blue:      #1f5fe0;  /* Brand blue - buttons, active states */
    --brand-teal:      #2fc6b3;  /* Care teal - success, accents */
    --brand-teal-soft: #58d5c7;  /* Soft teal - hover, illustrations */
    --brand-text:      #243040;  /* Primary text */
    --brand-bg:        #fafbfc;  /* Default background */

    /* ========== Colors ========== */
    --color-primary: #3b82f6;    /* Functional UI blue - CTAs, links, focus rings */
    --color-primary-dark: #2563eb;
    --color-primary-light: #dbeafe;

    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-success-light: #34d399;

    --color-warning: #f97316;
    --color-warning-dark: #ea580c;
    --color-warning-light: #fb923c;

    --color-danger: #ef4444;
    --color-danger-dark: #dc2626;
    --color-danger-light: #f87171;

    --color-info: #06b6d4;

    /* Neutrals */
    --color-dark: #0b2f6b;        /* Brand navy - sidebar, headers */
    --color-dark-light: #1a4a96;  /* Navy hover state */
    --color-slate: #243040;       /* Primary text */
    --color-slate-light: #64748b; /* Labels, hints */
    --color-gray: #cbd5e1;        /* Borders */
    --color-gray-light: #e8edf3;  /* Subtle borders, dividers */
    --color-bg: #fafbfc;          /* Main app background */
    --color-white: #ffffff;       /* Cards, form surfaces */

    /* Semantic tint pairings (alerts, badges) */
    --color-tint-primary-bg: #eff6ff;  --color-tint-primary-border: #bfdbfe;  --color-tint-primary-fg: #0c4a6e;
    --color-tint-success-bg: #f0fdf4;  --color-tint-success-border: #bbf7d0;  --color-tint-success-fg: #15803d;
    --color-tint-warning-bg: #fffbeb;  --color-tint-warning-border: #fde68a;  --color-tint-warning-fg: #92400e;
    --color-tint-danger-bg:  #fef2f2;  --color-tint-danger-border:  #fca5a5;  --color-tint-danger-fg:  #991b1b;
    --color-tint-info-bg:    #ecf9ff;  --color-tint-info-border:    #a5f3fc;  --color-tint-info-fg:    #164e63;
    --color-tint-gray-bg:    #f3f4f6;  --color-tint-gray-fg:        #4b5563;

    /* ========== Typography ========== */
    --font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;

    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-lg: 1.125rem;  /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */
    --font-size-4xl: 2.25rem;  /* 36px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* ========== Spacing ========== */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 2.5rem;   /* 40px */
    --spacing-3xl: 3rem;     /* 48px */

    /* ========== Border Radius ========== */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-full: 9999px;   /* Full circle */

    /* ========== 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 -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* ========== Z-index ========== */
    --z-dropdown: 1000;
    --z-sticky: 1050;
    --z-fixed: 1060;
    --z-modal-backdrop: 1070;
    --z-modal: 1080;
    --z-popover: 1090;
    --z-tooltip: 1100;

    /* ========== Transitions ========== */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-slate);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md) 0;
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-dark);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

h5 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

h6 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin: 0 0 var(--spacing-md) 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.text-muted {
    color: var(--color-slate-light);
}

.text-dark {
    color: var(--color-dark);
}

.text-primary {
    color: var(--color-primary);
}

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

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

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

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

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

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

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

/* Display utilities */
.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-inline {
    display: inline;
}

.d-inline-block {
    display: inline-block;
}

.d-flex {
    display: flex;
}

.d-grid {
    display: grid;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.flex-wrap {
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
}

/* Alignment utilities */
.align-items-center {
    align-items: center;
}

.align-items-start {
    align-items: flex-start;
}

.align-items-end {
    align-items: flex-end;
}

.justify-content-center {
    justify-content: center;
}

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

.justify-content-end {
    justify-content: flex-end;
}

/* Margin utilities */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.ml-1 { margin-left: var(--spacing-sm); }
.ml-2 { margin-left: var(--spacing-md); }
.ml-3 { margin-left: var(--spacing-lg); }

.mr-1 { margin-right: var(--spacing-sm); }
.mr-2 { margin-right: var(--spacing-md); }
.mr-3 { margin-right: var(--spacing-lg); }

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Padding utilities */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.px-1 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-2 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-3 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* Width utilities */
.w-full {
    width: 100%;
}

.w-auto {
    width: auto;
}

/* Height utilities */
.h-full {
    height: 100%;
}

.h-auto {
    height: auto;
}

/* Max width utilities */
.max-w-sm {
    max-width: 24rem;
}

.max-w-md {
    max-width: 28rem;
}

.max-w-lg {
    max-width: 32rem;
}

.max-w-xl {
    max-width: 36rem;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.max-w-6xl {
    max-width: 72rem;
}

.max-w-7xl {
    max-width: 80rem;
}

/* Overflow utilities */
.overflow-auto {
    overflow: auto;
}

.overflow-hidden {
    overflow: hidden;
}

.overflow-y-auto {
    overflow-y: auto;
}

/* Border utilities */
.border {
    border: 1px solid var(--color-gray);
}

.border-t {
    border-top: 1px solid var(--color-gray);
}

.border-b {
    border-bottom: 1px solid var(--color-gray);
}

.border-l {
    border-left: 1px solid var(--color-gray);
}

.border-r {
    border-right: 1px solid var(--color-gray);
}

.border-primary {
    border-color: var(--color-primary);
}

.border-danger {
    border-color: var(--color-danger);
}

/* Rounded utilities */
.rounded {
    border-radius: var(--radius-md);
}

.rounded-sm {
    border-radius: var(--radius-sm);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-full {
    border-radius: var(--radius-full);
}

/* Shadow utilities */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

/* Background utilities */
.bg-white {
    background-color: var(--color-white);
}

.bg-light {
    background-color: var(--color-bg);
}

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

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

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

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

/* ============================================================================
   RESPONSIVE UTILITIES
   ============================================================================ */

@media (max-width: 640px) {
    .sm\:hidden {
        display: none;
    }

    .sm\:block {
        display: block;
    }

    .sm\:flex {
        display: flex;
    }

    .sm\:w-full {
        width: 100%;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .md\:w-1\/2 {
        width: 50%;
    }

    .md\:flex {
        display: flex;
    }
}

@media (min-width: 1025px) {
    .lg\:w-1\/3 {
        width: 33.333%;
    }

    .lg\:w-1\/2 {
        width: 50%;
    }

    .lg\:flex {
        display: flex;
    }
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

/* Focus visible styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Skip to main content link (for screen readers) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.sr-only:focus-visible {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
    padding: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ============================================================================
   RESIQO COMPONENT STYLES
   Forms, buttons, cards, badges, alerts
   ============================================================================ */

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

/* Button Variants */

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}

.btn-primary:active:not(:disabled) {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #eff6ff;
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-dark);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: var(--color-warning-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-dark);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: #eff6ff;
}

/* Button Sizes */

.btn-sm {
    min-height: 2rem;
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    min-height: 3rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-lg);
}

/* Button States */

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.form-label.required::after {
    content: " *";
    color: var(--color-danger);
}

.form-control,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    min-height: 2.75rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    line-height: var(--line-height-normal);
    color: var(--color-dark);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder,
.form-textarea::placeholder {
    color: var(--color-slate-light);
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--color-bg);
    color: var(--color-slate-light);
    cursor: not-allowed;
}

.form-textarea {
    min-height: 6rem;
    padding: 0.875rem;
    resize: vertical;
    font-family: var(--font-family);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23475569' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Checkbox & Radio */

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-check-label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: var(--font-weight-normal);
}

/* Form Error States */

.form-control.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--spacing-xs);
    display: block;
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-gray);
    box-shadow: var(--shadow-md);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
    background-color: var(--color-bg);
}

.card-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.card-text {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-slate);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
    background-color: var(--color-bg);
}

/* ============================================================================
   ALERTS & NOTIFICATIONS
   ============================================================================ */

.alert {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    margin: 0;
    font-size: var(--font-size-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
}

.alert-primary {
    background-color: #eff6ff;
    border-color: #bfdbfe;
    color: #0c4a6e;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #15803d;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-info {
    background-color: #ecf9ff;
    border-color: #a5f3fc;
    color: #164e63;
}

.alert-dismissible {
    position: relative;
    padding-right: 3rem;
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================================
   BADGES & PILLS
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background-color: #dbeafe;
    color: #0c4a6e;
}

.badge-success {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-gray {
    background-color: #f3f4f6;
    color: #4b5563;
}

.badge-secondary {
    background-color: #e2e8f0;
    color: #475569;
}

/* ============================================================================
   TABLES
   ============================================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table thead {
    background-color: var(--color-dark);
    color: var(--color-white);
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-dark-light);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-light);
}

.table tbody tr:hover {
    background-color: #f9fafb;
}

.table tbody tr:nth-child(odd) {
    background-color: var(--color-white);
}

.table tbody tr:nth-child(even) {
    background-color: #f9fafb;
}

.table a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.table a:hover {
    text-decoration: underline;
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0 0 0;
}

.pagination-item {
    display: inline-flex;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.pagination-link:hover:not(.disabled):not(.active) {
    background-color: var(--color-bg);
    border-color: var(--color-primary);
}

.pagination-link.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   DROPDOWNS
   ============================================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 12rem;
    margin-top: var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    list-style: none;
    padding: var(--spacing-sm) 0;
    margin: 0;
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-slate);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: block;
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    font-size: var(--font-size-sm);
}

.dropdown-item:hover {
    background-color: var(--color-bg);
    color: var(--color-dark);
}

.dropdown-item.active {
    background-color: #eff6ff;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-gray-light);
    margin: var(--spacing-sm) 0;
}

/* ============================================================================
   MODALS
   ============================================================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    z-index: var(--z-modal);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-slate);
}

.modal-close:hover {
    color: var(--color-dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ============================================================================
   BREADCRUMBS
   ============================================================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--spacing-lg) 0;
    padding: 0;
    list-style: none;
}

.breadcrumb-item {
    color: var(--color-slate);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    margin: 0 var(--spacing-sm);
    color: var(--color-slate-light);
}

.breadcrumb-item a {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
}

/* ============================================================================
   EMPTY STATES
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--color-slate-light);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: var(--font-size-sm);
    color: var(--color-slate);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   SKELETONS / LOADERS
   ============================================================================ */

.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================================================
   PAGE LAYOUT
   ============================================================================ */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-light);
}

.page-header h1 {
    margin: 0;
    color: var(--color-dark);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin: 0 0 var(--spacing-lg) 0;
}

/* ============================================================================
   STAT CARDS
   ============================================================================ */

.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.stat-card:hover {
    border-color: var(--color-gray);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .label {
    font-size: var(--font-size-xs);
    color: var(--color-slate-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.stat-card .trend {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.stat-card .trend.up {
    color: var(--color-success);
}

.stat-card .trend.down {
    color: var(--color-danger);
}

/* ============================================================================
   BLAZOR ERROR UI
   ============================================================================ */

#blazor-error-ui {
    background: var(--color-danger);
    border: 1px solid var(--color-danger-dark);
    border-radius: var(--radius-md);
    color: var(--color-white);
    display: none;
    padding: var(--spacing-lg);
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-modal);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    animation: slideInUp 0.3s ease-out;
}

#blazor-error-ui .reload {
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    margin-left: var(--spacing-sm);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-semibold);
}

#blazor-error-ui .dismiss:hover {
    color: var(--color-white);
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ============================================================================
   BREADCRUMB VISIBILITY TOGGLE
   ============================================================================ */

.breadcrumbs-hidden nav[aria-label="breadcrumb"] {
    display: none;
}

/* ============================================================================
   MINI DRAWER — icon centering when collapsed
   ============================================================================ */

.mud-drawer-mini:not(.mud-drawer--open) .mud-nav-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
    min-width: 0;
}

.mud-drawer-mini:not(.mud-drawer--open) .mud-nav-link-icon-wrapper {
    margin-right: 0;
    margin-left: 0;
}

.layout-content {
    flex: 1;
    min-width: 0;
    padding: 1.5rem;
}

/* ============================================================================
   RESPONSIVE DESIGN
   Mobile-first breakpoints
   ============================================================================ */

/* ============================================================================
   TABLET (640px - 1024px)
   ============================================================================ */

@media (max-width: 1024px) {
    .stat-card {
        padding: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .btn {
        padding: 0.5rem 0.875rem;
        min-height: 2.5rem;
    }

    .card {
        margin-bottom: var(--spacing-md);
    }

    .table {
        font-size: var(--font-size-xs);
    }

    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

/* ============================================================================
   MOBILE (< 640px)
   ============================================================================ */

@media (max-width: 640px) {

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card .value {
        font-size: 1.5rem;
    }

    /* Form full width */
    .form-group {
        width: 100%;
    }

    .form-control,
    .form-select,
    .form-textarea,
    .btn {
        width: 100%;
    }

    .btn {
        justify-content: center;
        padding: var(--spacing-md);
        min-height: 2.75rem;
        font-size: var(--font-size-base);
    }

    /* Tables get horizontal scroll */
    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        font-size: var(--font-size-xs);
    }

    .table thead {
        display: none;
    }

    .table tbody {
        display: block;
    }

    .table tr {
        display: block;
        margin-bottom: var(--spacing-md);
        background-color: var(--color-white);
        border: 1px solid var(--color-gray-light);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    .table td {
        display: block;
        padding: var(--spacing-sm);
        border: none;
        border-bottom: 1px solid var(--color-gray-light);
    }

    .table td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-semibold);
        color: var(--color-slate);
        display: inline-block;
        width: 30%;
        margin-right: var(--spacing-sm);
    }

    /* Modal responsive */
    .modal {
        min-width: 95%;
        max-width: 95%;
        max-height: 95vh;
    }

    /* Alert responsive */
    .alert {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .alert-icon {
        width: 1.25rem;
        height: 1.25rem;
    }

    /* Pagination responsive */
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    /* Dropdown responsive */
    .dropdown-menu {
        min-width: 100%;
        width: 100%;
        max-width: calc(100vw - 2rem);
    }

    /* Breadcrumb responsive */
    .breadcrumb {
        font-size: var(--font-size-xs);
        overflow-x: auto;
        gap: var(--spacing-xs);
    }

    /* Modal footer stack */
    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    /* Badge responsive */
    .badge {
        font-size: var(--font-size-xs);
        padding: 0.25rem 0.5rem;
    }

    /* Card responsive */
    .card-body,
    .card-header,
    .card-footer {
        padding: var(--spacing-md);
    }

    .card-title {
        font-size: var(--font-size-base);
    }
}

/* ============================================================================
   EXTRA SMALL DEVICES (< 360px)
   ============================================================================ */

@media (max-width: 360px) {
    .page-title {
        font-size: var(--font-size-xl);
    }

    .stat-card .value {
        font-size: 1.25rem;
    }

    .btn {
        min-height: 2.5rem;
        padding: var(--spacing-sm);
    }

    .form-control,
    .form-select,
    .form-textarea {
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .modal {
        min-width: 100%;
        max-width: 100%;
    }

    .alert {
        padding: var(--spacing-md);
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    .btn,
    .breadcrumb {
        display: none;
    }

    .card,
    .table {
        page-break-inside: avoid;
    }

    a {
        color: inherit;
        text-decoration: underline;
    }
}

/* ============================================================================
   HIGH RESOLUTION DISPLAYS (Retina)
   ============================================================================ */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* ============================================================================
   DARK MODE (Future support)
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    /* TODO: Implement dark mode theme variations */
}

/* ============================================================================
   ACCESSIBILITY - REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}