/* =====================================================================
   صحبة خير - التصميم العام (Mobile First)
   يُحمّل بعد Bootstrap 5 RTL ويخصص ألوانه.
   ===================================================================== */

:root {
    --sk-primary: #0F766E;        /* أخضر مزرق أساسي */
    --sk-primary-dark: #115E59;
    --sk-primary-darker: #134E4A;
    --sk-primary-soft: #E6F4F2;
    --sk-accent: #F59E0B;         /* ذهبي للتمييز */
    --sk-accent-dark: #B45309;
    --sk-accent-soft: #FEF3C7;
    --sk-text: #1E293B;           /* أزرق داكن للنصوص */
    --sk-muted: #5B6B80;
    --sk-bg: #F8FAFC;             /* خلفية فاتحة */
    --sk-surface: #FFFFFF;
    --sk-border: #E2E8F0;
    --sk-radius: 16px;
    --sk-radius-sm: 10px;
    --sk-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 16px rgba(15, 23, 42, .06);
    --sk-shadow-hover: 0 6px 24px rgba(15, 23, 42, .12);

    /* ألوان المراحل (تُستبدل من قاعدة البيانات عبر --stage-color) */
    --stage-1: #2563EB;
    --stage-2: #7C3AED;
    --stage-3: #B45309;

    --bs-body-font-family: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, sans-serif;
    --bs-body-color: var(--sk-text);
    --bs-body-bg: var(--sk-bg);
    --bs-primary: #0F766E;
    --bs-primary-rgb: 15, 118, 110;
    --bs-link-color: #0F766E;
    --bs-link-color-rgb: 15, 118, 110;
    --bs-link-hover-color: #115E59;
    --bs-link-hover-color-rgb: 17, 94, 89;
    --bs-border-radius: 10px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--bs-body-font-family);
    background: var(--sk-bg);
    color: var(--sk-text);
    line-height: 1.75;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4, h5 { font-weight: 800; color: var(--sk-text); }

a { text-decoration: none; }

:focus-visible { outline: 3px solid var(--sk-accent); outline-offset: 2px; }

.text-muted, .text-secondary { color: var(--sk-muted) !important; }

/* ---------------- الأزرار ---------------- */
.btn { font-weight: 700; border-radius: var(--sk-radius-sm); padding: .55rem 1.1rem; }
.btn-sm { padding: .35rem .8rem; }
.btn-lg { padding: .75rem 1.5rem; }

.btn-primary {
    --bs-btn-bg: var(--sk-primary);
    --bs-btn-border-color: var(--sk-primary);
    --bs-btn-hover-bg: var(--sk-primary-dark);
    --bs-btn-hover-border-color: var(--sk-primary-dark);
    --bs-btn-active-bg: var(--sk-primary-darker);
    --bs-btn-active-border-color: var(--sk-primary-darker);
    --bs-btn-disabled-bg: var(--sk-primary);
    --bs-btn-disabled-border-color: var(--sk-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--sk-primary);
    --bs-btn-border-color: var(--sk-primary);
    --bs-btn-hover-bg: var(--sk-primary);
    --bs-btn-hover-border-color: var(--sk-primary);
    --bs-btn-active-bg: var(--sk-primary-dark);
    --bs-btn-active-border-color: var(--sk-primary-dark);
}

/* الذهبي مع نص داكن لتباين عالٍ */
.btn-accent {
    --bs-btn-color: var(--sk-text);
    --bs-btn-bg: var(--sk-accent);
    --bs-btn-border-color: var(--sk-accent);
    --bs-btn-hover-color: var(--sk-text);
    --bs-btn-hover-bg: #FBBF24;
    --bs-btn-hover-border-color: #FBBF24;
    --bs-btn-active-color: var(--sk-text);
    --bs-btn-active-bg: #D97706;
    --bs-btn-active-border-color: #D97706;
}

.form-control, .form-select { border-radius: var(--sk-radius-sm); border-color: #CBD5E1; padding: .6rem .9rem; }
.form-control:focus, .form-select:focus { border-color: var(--sk-primary); box-shadow: 0 0 0 .2rem rgba(15, 118, 110, .2); }
.form-label { font-weight: 700; margin-bottom: .35rem; }
.form-text { color: var(--sk-muted); }
.required::after { content: " *"; color: #DC2626; }
.field-error { color: #B91C1C; font-size: .875rem; font-weight: 600; display: block; margin-top: .25rem; }

/* ---------------- الهيدر ---------------- */
.site-header {
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--sk-border);
    position: sticky; top: 0; z-index: 1030;
}
.site-header .navbar { padding: .5rem 0; }
.brand { display: flex; align-items: center; gap: .5rem; color: var(--sk-text); }
.brand img { width: 44px; height: 44px; }
.brand-name { font-size: 1.35rem; font-weight: 800; line-height: 1; }
.brand-name span { color: var(--sk-primary); }
.brand-tagline { display: block; font-size: .72rem; font-weight: 600; color: var(--sk-muted); margin-top: .2rem; }
.site-header .nav-link { font-weight: 700; color: var(--sk-text); border-radius: 8px; padding: .5rem .85rem !important; }
.site-header .nav-link:hover, .site-header .nav-link.active { color: var(--sk-primary); background: var(--sk-primary-soft); }
.navbar-toggler { border: 0; padding: .4rem; }
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(15, 118, 110, .25); }

/* ---------------- الفوتر ---------------- */
.site-footer { background: var(--sk-text); color: #CBD5E1; padding: 2.5rem 0 1.25rem; margin-top: 3rem; }
.site-footer a { color: #E2E8F0; }
.site-footer a:hover { color: var(--sk-accent); }
.site-footer .footer-logo { height: 64px; width: auto; }
.site-footer h3 { color: #fff; font-size: 1rem; }
.site-footer .footer-links { list-style: none; padding: 0; margin: 0; }
.site-footer .footer-links li { margin-bottom: .35rem; }
.site-footer .copyright { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 1.5rem; padding-top: 1rem; font-size: .875rem; }

/* ---------------- الرسائل ---------------- */
.notices .alert { border: 0; border-radius: var(--sk-radius-sm); font-weight: 600; display: flex; gap: .6rem; align-items: flex-start; }
.notices .alert i { font-size: 1.2rem; line-height: 1.5; }
.alert-success { background: #DCFCE7; color: #14532D; }
.alert-danger { background: #FEE2E2; color: #7F1D1D; }
.alert-warning { background: var(--sk-accent-soft); color: #78350F; }
.alert-info { background: var(--sk-primary-soft); color: var(--sk-primary-darker); }

/* ---------------- البطل (Hero) ---------------- */
.hero {
    background:
        radial-gradient(circle at 15% 20%, rgba(245, 158, 11, .25), transparent 40%),
        linear-gradient(135deg, #0F766E 0%, #115E59 55%, #134E4A 100%);
    color: #fff;
    border-radius: 0 0 28px 28px;
    padding: 2.5rem 0 3rem;
    position: relative;
    overflow: hidden;
}
.hero h1 { color: #fff; font-size: 1.75rem; line-height: 1.5; }
.hero h1 .accent { color: #FCD34D; }
.hero p.lead { color: #E2E8F0; font-size: 1.05rem; }
.hero-logo { width: 120px; height: 120px; filter: drop-shadow(0 8px 20px rgba(0, 0, 0, .25)); }

.search-box { background: #fff; border-radius: 14px; padding: .4rem; display: flex; gap: .4rem; box-shadow: 0 10px 30px rgba(0, 0, 0, .18); }
.search-box .form-control { border: 0; box-shadow: none; font-size: 1.05rem; }
.search-box .btn { white-space: nowrap; }

/* ---------------- العناوين ---------------- */
.section { padding-top: 2.5rem; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-title h2 { font-size: 1.35rem; margin: 0; display: flex; align-items: center; gap: .5rem; }
.section-title h2::before { content: ""; width: 6px; height: 1.4em; background: var(--sk-accent); border-radius: 3px; display: inline-block; }

.page-header { padding: 1.5rem 0 1rem; }
.page-header h1 { font-size: 1.5rem; margin-bottom: .25rem; }

/* ---------------- بطاقات المراحل ---------------- */
.stage-card {
    --stage-color: var(--sk-primary);
    display: block; height: 100%;
    background: var(--sk-surface);
    border-radius: var(--sk-radius);
    border: 1px solid var(--sk-border);
    border-top: 6px solid var(--stage-color);
    padding: 1.4rem;
    color: var(--sk-text);
    box-shadow: var(--sk-shadow);
    transition: transform .2s, box-shadow .2s;
}
.stage-card:hover { transform: translateY(-3px); box-shadow: var(--sk-shadow-hover); color: var(--sk-text); }
.stage-card .stage-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--stage-color); color: #fff; font-size: 1.6rem; margin-bottom: .75rem;
}
.stage-card h3 { font-size: 1.2rem; margin-bottom: .25rem; }
.stage-card p { color: var(--sk-muted); margin-bottom: .75rem; }
.stage-card .stage-link { color: var(--stage-color); font-weight: 800; }

/* ---------------- الإحصائيات ---------------- */
.stat-tile { background: var(--sk-surface); border: 1px solid var(--sk-border); border-radius: var(--sk-radius); padding: 1.1rem; text-align: center; box-shadow: var(--sk-shadow); height: 100%; }
.stat-tile .stat-icon { width: 46px; height: 46px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; font-size: 1.35rem; background: var(--sk-primary-soft); color: var(--sk-primary); margin-bottom: .4rem; }
.stat-tile.accent .stat-icon { background: var(--sk-accent-soft); color: var(--sk-accent-dark); }
.stat-tile .stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1.2; }
.stat-tile .stat-label { color: var(--sk-muted); font-weight: 600; font-size: .9rem; }

/* ---------------- خطوات التصفح ---------------- */
.stepper { display: flex; gap: .35rem; overflow-x: auto; padding-bottom: .25rem; margin-bottom: 1.25rem; scrollbar-width: thin; }
.stepper .step { flex: 1 0 auto; display: flex; align-items: center; gap: .4rem; padding: .45rem .75rem; border-radius: 999px; background: #EEF2F6; color: var(--sk-muted); font-weight: 700; font-size: .85rem; white-space: nowrap; }
.stepper .step .num { width: 22px; height: 22px; border-radius: 50%; background: #CBD5E1; color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: .75rem; }
.stepper .step.done { background: var(--sk-primary-soft); color: var(--sk-primary-darker); }
.stepper .step.done .num { background: var(--sk-primary); }
.stepper .step.current { background: var(--sk-accent-soft); color: #78350F; }
.stepper .step.current .num { background: var(--sk-accent); color: var(--sk-text); }

.breadcrumb { background: var(--sk-surface); border: 1px solid var(--sk-border); padding: .6rem 1rem; border-radius: var(--sk-radius-sm); font-weight: 600; font-size: .92rem; }
.breadcrumb-item + .breadcrumb-item::before { content: "‹"; float: right; padding-left: .5rem; padding-right: 0; }

/* بطاقات الاختيار (الفصل، الصف، المادة، النوع) */
.choice-card {
    display: flex; align-items: center; gap: .85rem;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: var(--sk-radius);
    padding: 1rem 1.1rem;
    color: var(--sk-text); font-weight: 700;
    box-shadow: var(--sk-shadow);
    transition: border-color .15s, transform .15s, box-shadow .15s;
    height: 100%;
}
.choice-card:hover { border-color: var(--stage-color, #0F766E); transform: translateY(-2px); box-shadow: var(--sk-shadow-hover); color: var(--sk-text); }
.choice-card .choice-icon { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: #E6F4F2; background: color-mix(in srgb, var(--stage-color, #0F766E) 12%, #fff); color: var(--stage-color, #0F766E); font-size: 1.3rem; }
.choice-card .choice-sub { display: block; font-size: .8rem; color: var(--sk-muted); font-weight: 600; }
.choice-card .bi-chevron-left { margin-inline-start: auto; color: #94A3B8; }

/* ---------------- بطاقات الملفات ---------------- */
.file-card {
    --stage-color: var(--sk-primary);
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-radius: var(--sk-radius);
    padding: 1.1rem;
    height: 100%;
    display: flex; flex-direction: column;
    box-shadow: var(--sk-shadow);
    position: relative;
    transition: box-shadow .2s, transform .2s;
}
.file-card::before { content: ""; position: absolute; inset-inline-start: 0; top: 1.1rem; bottom: 1.1rem; width: 4px; border-radius: 0 4px 4px 0; background: var(--stage-color); }
.file-card:hover { box-shadow: var(--sk-shadow-hover); transform: translateY(-2px); }
.file-card-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .6rem; }
.file-icon { width: 42px; height: 42px; border-radius: 10px; background: #FEE2E2; color: #B91C1C; display: inline-flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.type-badge { background: var(--sk-accent-soft); color: #78350F; font-weight: 700; border-radius: 999px; padding: .3rem .7rem; font-size: .78rem; }
.file-title { font-size: 1.05rem; font-weight: 800; line-height: 1.6; margin-bottom: .5rem; word-break: break-word; }
.file-meta { list-style: none; padding: 0; margin: 0 0 .6rem; display: grid; grid-template-columns: 1fr 1fr; gap: .25rem .75rem; font-size: .85rem; color: var(--sk-muted); font-weight: 600; }
.file-meta li { display: flex; gap: .35rem; align-items: center; min-width: 0; }
.file-meta li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-meta i { color: var(--stage-color); }
.file-uploader { font-size: .85rem; color: var(--sk-muted); margin-bottom: .75rem; }
.file-uploader strong { color: var(--sk-text); }
.file-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-top: .75rem; border-top: 1px dashed var(--sk-border); }
.downloads { font-weight: 700; color: var(--sk-primary-dark); font-size: .9rem; }
.stage-chip { display: inline-block; font-size: .72rem; font-weight: 700; color: #fff; background: var(--stage-color); border-radius: 999px; padding: .15rem .6rem; }

/* ---------------- الحالة الفارغة ---------------- */
.empty-state { text-align: center; padding: 2.5rem 1rem; background: var(--sk-surface); border: 2px dashed var(--sk-border); border-radius: var(--sk-radius); }
.empty-state .empty-icon { font-size: 3rem; color: #94A3B8; }
.empty-state h3 { font-size: 1.15rem; margin-top: .5rem; }
.empty-state p { color: var(--sk-muted); margin-bottom: 1rem; }

/* ---------------- البطاقات العامة والنماذج ---------------- */
.panel { background: var(--sk-surface); border: 1px solid var(--sk-border); border-radius: var(--sk-radius); box-shadow: var(--sk-shadow); padding: 1.25rem; }
.panel-title { font-size: 1.1rem; margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.auth-wrap { max-width: 480px; margin: 2rem auto 0; }
.auth-wrap .auth-logo { width: 72px; height: 72px; }
.filter-panel { background: var(--sk-surface); border: 1px solid var(--sk-border); border-radius: var(--sk-radius); padding: 1rem; box-shadow: var(--sk-shadow); }

/* ---------------- الجداول ---------------- */
.table-modern { background: var(--sk-surface); margin: 0; }
.table-modern thead th { background: #F1F5F9; color: var(--sk-text); font-weight: 800; font-size: .88rem; white-space: nowrap; border-bottom: 0; }
.table-modern td { vertical-align: middle; font-size: .93rem; }
.table-wrap { border: 1px solid var(--sk-border); border-radius: var(--sk-radius); overflow: hidden; box-shadow: var(--sk-shadow); background: var(--sk-surface); }
.badge-soft-success { background: #DCFCE7; color: #14532D; }
.badge-soft-warning { background: var(--sk-accent-soft); color: #78350F; }
.badge-soft-danger { background: #FEE2E2; color: #7F1D1D; }
.badge-soft-secondary { background: #E2E8F0; color: #334155; }
.badge-soft-success, .badge-soft-warning, .badge-soft-danger, .badge-soft-secondary { font-weight: 700; padding: .35rem .65rem; border-radius: 999px; font-size: .78rem; }

/* ---------------- لوحة الإدارة/المعلم ---------------- */
.area-nav { display: flex; gap: .4rem; overflow-x: auto; padding: .35rem; background: var(--sk-surface); border: 1px solid var(--sk-border); border-radius: 14px; margin-bottom: 1.25rem; }
.area-nav a { white-space: nowrap; padding: .5rem .9rem; border-radius: 10px; font-weight: 700; color: var(--sk-text); }
.area-nav a:hover { background: var(--sk-primary-soft); color: var(--sk-primary); }
.area-nav a.active { background: var(--sk-primary); color: #fff; }
.area-nav .count { background: var(--sk-accent); color: var(--sk-text); border-radius: 999px; padding: 0 .45rem; font-size: .75rem; margin-inline-start: .25rem; }

/* ---------------- الترقيم ---------------- */
.pagination { --bs-pagination-color: var(--sk-primary); --bs-pagination-active-bg: var(--sk-primary); --bs-pagination-active-border-color: var(--sk-primary); --bs-pagination-hover-color: var(--sk-primary-dark); --bs-pagination-focus-box-shadow: 0 0 0 .2rem rgba(15,118,110,.25); flex-wrap: wrap; gap: .25rem; }
.pagination .page-link { border-radius: 8px !important; font-weight: 700; min-width: 40px; text-align: center; }

/* ---------------- صفحات الخطأ ---------------- */
.error-page { text-align: center; padding: 3rem 1rem; }
.error-page .error-code { font-size: 4.5rem; font-weight: 800; color: var(--sk-primary); line-height: 1; }

/* ---------------- مؤشر التحميل في UpdatePanel ---------------- */
.loading-inline { font-size: .85rem; color: var(--sk-muted); font-weight: 600; }

/* ---------------- الشاشات الأكبر ---------------- */
@media (min-width: 768px) {
    .hero { padding: 3.5rem 0 4.5rem; }
    .hero h1 { font-size: 2.4rem; }
    .hero-logo { width: 170px; height: 170px; }
    .page-header h1 { font-size: 1.85rem; }
    .section-title h2 { font-size: 1.5rem; }
}

@media (max-width: 575.98px) {
    .search-box { flex-direction: column; }
    .search-box .btn { width: 100%; }
    .file-meta { grid-template-columns: 1fr; }
    .brand-tagline { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

@media print {
    .site-header, .site-footer, .btn { display: none !important; }
}