/* ============================================================
   نظام تسجيل طلبة جامعة الكنوز الأهلية - التصميم العام
   تصميم مستقل بالكامل (بدون أي إطار CSS خارجي) لضمان الأداء والاستقرار
   ============================================================ */

:root {
    --color-primary: #1b2a5e;
    --color-primary-dark: #121d45;
    --color-primary-light: #2c3f8c;
    --color-accent: #c79a4b;
    --color-bg: #f4f6fb;
    --color-card: #ffffff;
    --color-text: #1f2430;
    --color-text-muted: #6b7280;
    --color-border: #e2e6f0;
    --color-success: #1f9d55;
    --color-success-bg: #e9f9ef;
    --color-error: #d64545;
    --color-error-bg: #fdecec;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 7px;
    --shadow-card: 0 10px 30px rgba(27, 42, 94, 0.08);
    --shadow-soft: 0 2px 10px rgba(27, 42, 94, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    /* منع أي انزلاق أفقي غير مقصود (يظهر كحقل منعزل أقصى اليسار على الجوال)
       ناتج عن أي عنصر بعرض أو موضع زائد عن حدود الشاشة */
    overflow-x: hidden;
    max-width: 100%;
}

/* حقل مصيدة الروبوتات (Honeypot) - يجب أن يبقى مخفياً تماماً عن المستخدم الحقيقي
   لكن دون إخراجه بعيداً عن حدود الصفحة (كـ left:-9999px) لأن ذلك يوسّع منطقة
   التمرير الأفقي القابلة للّمس على الجوال ويظهر كحقل منعزل عند التمرير لليسار */
.honeypot-field {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body {
    font-family: 'Cairo', 'Tahoma', 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    direction: rtl;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img { max-width: 100%; }

.container {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 0 18px;
}

.container-wide {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 18px;
}

/* ---------------- الشريط العلوي ---------------- */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 28px 0;
    box-shadow: var(--shadow-card);
}

.site-header .brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-header .brand-badge {
    width: 58px;
    height: 58px;
    flex-shrink: 0;
}

.site-header .brand-logo {
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
    border: 2px solid rgba(255,255,255,0.55);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.site-header h1 {
    font-size: 20px;
    margin: 0 0 4px;
    font-weight: 700;
}

.site-header p {
    margin: 0;
    color: rgba(255,255,255,0.75);
    font-size: 14px;
}

/* ---------------- البطاقات ---------------- */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 26px;
    margin-bottom: 22px;
    border: 1px solid var(--color-border);
}

.card-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0 0 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--color-bg);
}

.card-section-title .step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

/* ---------------- الحقول ---------------- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-grid .full { grid-column: 1 / -1; }

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}

.field label {
    display: block;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 7px;
    color: var(--color-text);
}

.field label .required { color: var(--color-error); margin-inline-start: 3px; }

.field .hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 5px;
}

.input, select.input, textarea.input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
}

.input:focus, select.input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(44, 63, 140, 0.12);
}

.input.english-name {
    text-transform: uppercase;
    letter-spacing: 0.4px;
    direction: ltr;
    text-align: left;
}

.input.phone-input {
    direction: ltr;
    text-align: left;
    letter-spacing: 0.5px;
}

.field-error {
    color: var(--color-error);
    font-size: 12.5px;
    margin-top: 6px;
    display: none;
}

.field.has-error .input,
.field.has-error select.input {
    border-color: var(--color-error);
}

.field.has-error .field-error { display: block; }

.triple-select {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

/* ---------------- أزرار الاختيار (نوع الدراسة / الجنس) ---------------- */
.choice-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.choice-pill {
    flex: 1;
    min-width: 120px;
}

.choice-pill input { position: absolute; opacity: 0; pointer-events: none; }

.choice-pill label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 10px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 14.5px;
    color: var(--color-text-muted);
    transition: all .15s;
    text-align: center;
}

.choice-pill input:checked + label {
    border-color: var(--color-primary);
    background: rgba(27, 42, 94, 0.06);
    color: var(--color-primary);
}

/* ---------------- قسم الصورة ---------------- */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1.5px solid var(--color-border);
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 16px;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--color-text-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -1.5px;
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.upload-box {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 26px;
    text-align: center;
    background: #fafbff;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}

.upload-box:hover { border-color: var(--color-primary-light); background: #f4f6ff; }

.upload-box input[type=file] { display: none; }

.upload-box .icon { font-size: 34px; margin-bottom: 8px; }

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

.camera-wrap video, .camera-wrap canvas, .camera-wrap img.captured-preview {
    width: 100%;
    max-width: 360px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-border);
    background: #000;
}

.camera-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.photo-preview-box {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
}

.photo-preview-box img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-border);
}

/* ---------------- الأزرار ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform .1s, box-shadow .15s, background .15s;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    box-shadow: 0 6px 16px rgba(27, 42, 94, 0.25);
}

.btn-primary:hover { box-shadow: 0 8px 20px rgba(27, 42, 94, 0.32); }

.btn-secondary {
    background: #eef0f8;
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--color-border);
    color: var(--color-text);
}

.btn-danger { background: var(--color-error-bg); color: var(--color-error); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; }

/* ---------------- تنبيهات ---------------- */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14.5px;
    font-weight: 600;
}

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

/* ---------------- تذييل ---------------- */
.site-footer {
    text-align: center;
    padding: 30px 0 50px;
    color: var(--color-text-muted);
    font-size: 13px;
}

/* ---------------- لوحة تحكم الأدمن ---------------- */
.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 250px;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 22px 16px;
    flex-shrink: 0;
}

.admin-sidebar .brand { font-weight: 700; font-size: 16px; margin-bottom: 26px; padding: 0 8px; }
.admin-sidebar .brand small { display:block; font-weight: 400; color: rgba(255,255,255,.6); font-size: 12px; margin-top: 4px;}

.admin-sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14.5px;
    margin-bottom: 4px;
    font-weight: 600;
}

.admin-sidebar nav a:hover, .admin-sidebar nav a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.admin-main { flex: 1; padding: 26px 28px; max-width: 100%; overflow-x: auto; }

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-topbar h2 { margin: 0; font-size: 20px; color: var(--color-primary); }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.stat-card .num { font-size: 26px; font-weight: 800; color: var(--color-primary); }
.stat-card .label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    font-size: 13.5px;
}

table.data-table th, table.data-table td {
    padding: 11px 12px;
    text-align: right;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

table.data-table thead th {
    background: #f2f4fa;
    color: var(--color-primary);
    font-weight: 700;
}

table.data-table tbody tr:hover { background: #fafbff; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    background: #eef0f8;
    color: var(--color-primary);
}

.toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 18px;
}

.toolbar select, .toolbar input {
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    font-family: inherit;
    font-size: 13.5px;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 34px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.login-card h1 { font-size: 18px; color: var(--color-primary); text-align:center; margin-bottom: 4px;}
.login-card p.subtitle { text-align:center; color: var(--color-text-muted); font-size: 13px; margin-bottom: 24px;}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.pagination { display:flex; gap:6px; justify-content:center; margin-top:18px; flex-wrap: wrap;}
.pagination a, .pagination span {
    padding: 7px 13px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    font-size: 13px;
}
.pagination a:hover { background: #eef0f8; }
.pagination .current { background: var(--color-primary); color:#fff; border-color: var(--color-primary); }

.actions-row { display:flex; gap:8px; }

@media (max-width: 860px) {
    .admin-shell { flex-direction: column; }
    .admin-sidebar { width: 100%; }
    .admin-sidebar nav { display:flex; overflow-x:auto; gap:6px; }
    .admin-sidebar .brand { display:none; }
}