/* ===========================
   Root Variables & Base Styles
   =========================== */
:root {
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 60px;
    --header-height: 64px;

    --transition-base: all 0.3s ease-in-out;
    --transition-fast: all 0.15s ease-in-out;

    --primary-color: #1565C0;
    --success-color: #2E7D32;
    --danger-color: #C62828;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --box-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.14);

    --font-family: 'Zain', 'Cairo', 'Tajawal', 'Inter', -apple-system, 'Segoe UI', Arial, sans-serif;

    /* ── Radius Scale ──────────────────────────────────────
       Design personality: Playful / Bold (button = 24px)
       Never assign --radius-pill to inputs or textareas.
    ─────────────────────────────────────────────────────── */
    --radius-xs:   4px;      /* Tooltip — always smallest   */
    --radius-sm:   8px;      /* Small accents, scrollbars   */
    --radius-md:   12px;     /* Input / Select (50% of btn) */
    --radius-lg:   16px;     /* Card & Modal (≈65% of btn)  */
    --radius-xl:   24px;     /* Button & Badge (pill-like)  */
    --radius-pill: 9999px;   /* Full pill — chips only      */

    /* ── Semantic Radius Tokens ────────────────────────── */
    --radius-button:  var(--radius-xl);   /* 24px — bold CTA style      */
    --radius-input:   var(--radius-md);   /* 12px — 50% of button       */
    --radius-card:    var(--radius-lg);   /* 16px — ≈65% of button      */
    --radius-modal:   var(--radius-lg);   /* 16px — ≥ card, 65-70%      */
    --radius-badge:   var(--radius-xl);   /* 24px — matches button      */
    --radius-tooltip: var(--radius-xs);   /* 4px  — smallest always     */
    --radius-avatar:  50%;                /* Circle by convention        */

    /* Legacy aliases — kept for backward compatibility */
    --border-radius:  var(--radius-card);
    --control-radius: var(--radius-button);
}

html, body {
    font-family: var(--font-family);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

h1:focus {
    outline: none;
}

/* ===========================
   Links & Buttons
   =========================== */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: #0056b3;
    text-decoration: none;
}

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


.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem rgba(0, 123, 255, 0.5);
}

/* ===========================
   Layout Components
   =========================== */
.content {
    padding-top: 1.5rem;
    min-height: calc(100vh - var(--header-height) - 60px);
}


/* ===========================
   Cards & Panels
   =========================== */
.card-custom {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
    transition: var(--transition-base);
}

.card-custom:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-header-custom {
    padding: 1rem 1.25rem;
    background-color: #fff;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    font-size: 1.1rem;
}

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

/* ===========================
   Statistics Cards
   =========================== */
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    color: #fff;
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
    transition: var(--transition-base);
}

.stat-card:hover::before {
    top: -60%;
    right: -60%;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}

.stat-card.bg-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-card.bg-success {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.stat-card.bg-warning {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.stat-card.bg-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* ===========================
   Form Validation
   =========================== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success-color);
    border-color: var(--success-color);
}

.invalid {
    outline: 1px solid var(--danger-color);
    border-color: var(--danger-color);
}

.validation-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ===========================
   Forms Enhancement
   =========================== */
.form-control {
    border-radius: var(--control-radius);
    border: 1px solid #ced4da;
    padding: 0.5rem 0.75rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===========================
   Tables Enhancement
   =========================== */
.table-custom {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table-custom thead {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

.table-custom tbody tr {
    transition: var(--transition-fast);
}

.table-custom tbody tr:hover {
    background-color: #f8f9fa;
}

/* ===========================
   Badges & Labels
   =========================== */
.badge-custom {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

/* ===========================
   Error Handling UI
   =========================== */
#blazor-error-ui {
    color-scheme: light only;
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    bottom: 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.8rem 1.5rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-top: 3px solid #f39c12;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.7rem;
    font-size: 1.5rem;
    opacity: 0.7;
    transition: var(--transition-fast);
}

#blazor-error-ui .dismiss:hover {
    opacity: 1;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--border-radius);
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* ===========================
   Loading Progress
   =========================== */
.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--primary-color);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
    color: var(--primary-color);
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* ===========================
   Code Blocks
   =========================== */
code {
    color: #e83e8c;
    background-color: #f8f9fa;
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
}

/* ===========================
   Utility Classes
   =========================== */
.shadow-sm {
    box-shadow: var(--box-shadow) !important;
}

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

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

.transition-base {
    transition: var(--transition-base) !important;
}

.transition-fast {
    transition: var(--transition-fast) !important;
}

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ===========================
   Responsive Utilities
   =========================== */
@media (max-width: 768px) {
    .content {
        padding-top: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
}

/* ===========================
   MudBlazor Customization
   =========================== */

/* Buttons — pill-like, 24px */
.mud-button-root,
.mud-icon-button,
.mud-fab {
    border-radius: var(--radius-button) !important;
}

/* Inputs / Selects — 12px (50% of button, never pill) */
.mud-input > .mud-input-control > .mud-input-control-input-container > .mud-input-slot,
.mud-input-outlined-border,
.mud-select {
    border-radius: var(--radius-input) !important;
}

/* Cards — 16px */
.mud-paper.mud-elevation-1,
.mud-card {
    border-radius: var(--radius-card) !important;
}

/* Dialogs / Modals — 16px */
.mud-dialog {
    border-radius: var(--radius-modal) !important;
}

/* Chips / Badges — match button pill */
.mud-chip {
    border-radius: var(--radius-badge) !important;
}

/* Avatars — circle */
.mud-avatar {
    border-radius: var(--radius-avatar) !important;
}

.mud-nav-link:hover {
    background-color: rgba(0, 123, 255, 0.1) !important;
}

.mud-nav-link-active {
    background-color: rgba(0, 123, 255, 0.15) !important;
    border-left: 3px solid var(--primary-color);
}

/* ===========================
   MudTooltip — theme-aware
   Tooltips render in a portal outside component scope,
   so scoped ::deep CSS cannot reach them — must be global.
   Using inverse-surface pattern: tooltip bg = page text color,
   tooltip text = page bg color → correct contrast in both modes.
   =========================== */
.mud-tooltip {
    background-color: var(--mud-palette-text-primary) !important;
    color: var(--mud-palette-background) !important;
    border-radius: var(--radius-tooltip) !important; /* 4px — always smallest */
    font-size: 0.75rem !important;
    padding: 4px 10px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
}

/* ===========================
   Animation Classes
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in {
    animation: slideIn 0.3s ease-in-out;
}

/* Sticky footer (global fallback to avoid scoped-css misses) */
.site-footer {
    position: fixed !important;
    left: var(--footer-left, 278px);
    right: var(--footer-right, 24px);
    bottom: 14px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    background: var(--mud-palette-surface);
    background: linear-gradient(135deg, color-mix(in srgb, var(--mud-palette-surface) 92%, #ffffff 8%) 0%, color-mix(in srgb, var(--mud-palette-primary) 8%, var(--mud-palette-surface) 92%) 100%);
    box-shadow: 0 10px 26px rgba(25, 38, 76, 0.16);
    backdrop-filter: blur(10px);
}

[dir="rtl"] .site-footer {
    left: var(--footer-left-rtl, 24px);
    right: var(--footer-right-rtl, 278px);
}

.site-footer__left,
.site-footer__right {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
}

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

.site-footer__badge {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--mud-palette-primary);
    background: rgba(102, 126, 234, 0.12);
    background: color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
    border: 1px solid rgba(102, 126, 234, 0.28);
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary) 28%, transparent);
    flex-shrink: 0;
}

.site-footer__status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--mud-palette-success);
    box-shadow: 0 0 0 4px rgba(67, 233, 123, 0.2);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--mud-palette-success) 20%, transparent);
    flex-shrink: 0;
}

.site-footer__text {
    margin: 0;
    line-height: 1.3;
}

.site-footer__text--muted {
    color: var(--mud-palette-text-secondary);
}

@media (max-width: 900px) {
    .site-footer {
        bottom: 12px;
        padding: 0.7rem 0.85rem;
    }
}

@media (max-width: 600px) {
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.45rem;
        bottom: 8px;
        padding: 0.68rem 0.8rem;
    }

    .site-footer__right {
        justify-content: flex-start;
    }
}