/* ═══ نظام مطابقة الطلاب ═══ */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --bg: #f0f2f5;
    --card: #fff;
    --text: #1f2937;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Tajawal', sans-serif;
    background: var(--bg);
    color: var(--text);
    direction: rtl;
    min-height: 100vh;
}

/* ─── Header ─── */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    color: #fff;
    padding: 24px 0;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.header h1 { font-size: 26px; font-weight: 800; }
.header p { opacity: 0.85; font-size: 14px; margin-top: 4px; }

/* ─── Container ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* ─── Cards ─── */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 24px;
    margin-bottom: 20px;
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ─── Form ─── */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}
@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
}
.form-group { margin-bottom: 12px; }
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text);
}
.form-group select,
.form-group input[type="text"],
.form-group input[type="file"] {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'Tajawal', sans-serif;
    font-size: 14px;
    transition: border-color 0.2s;
    background: #fff;
}
.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ─── File Upload ─── */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fafbfc;
}
.file-upload:hover, .file-upload.dragover {
    border-color: var(--primary);
    background: #f0f5ff;
}
.file-upload input[type="file"] { display: none; }
.file-upload .icon { font-size: 32px; margin-bottom: 8px; }
.file-upload .text { font-size: 14px; color: var(--text-light); }
.file-upload .filename { font-size: 13px; color: var(--success); font-weight: 600; margin-top: 6px; }

/* ─── Toggle ─── */
.toggle-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
    font-size: 14px;
}
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: #ccc;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #047857; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ─── Stats Bar ─── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--card);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.stat-card .num { font-size: 28px; font-weight: 800; }
.stat-card .lbl { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.stat-card.primary .num { color: var(--primary); }
.stat-card.success .num { color: var(--success); }
.stat-card.warning .num { color: var(--warning); }
.stat-card.danger .num { color: var(--danger); }
.stat-card.info .num { color: var(--info); }

/* ─── Tabs ─── */
.tab-hint {
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: #1e40af;
    margin-bottom: 16px;
    line-height: 1.6;
}
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
    overflow-x: auto;
}
.tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    color: var(--text-light);
    white-space: nowrap;
    transition: all 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: 'Tajawal', sans-serif;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab .badge {
    display: inline-block;
    background: var(--border);
    color: var(--text-light);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-right: 4px;
}
.tab.active .badge { background: var(--primary); color: #fff; }

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

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
table th {
    background: #f9fafb;
    padding: 10px 12px;
    text-align: right;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
table td {
    padding: 10px 12px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}
table tr:hover td { background: #f9fafb; }

/* ─── Score badges ─── */
.score-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}
.score-high { background: #d1fae5; color: #065f46; }
.score-medium { background: #fef3c7; color: #92400e; }
.score-low { background: #fee2e2; color: #991b1b; }

/* ─── Candidates ─── */
.candidates-list { margin-top: 8px; }
.candidate-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: #f9fafb;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 13px;
}
.candidate-item:hover { background: #f0f5ff; }

/* ─── WhatsApp Panel ─── */
.wa-panel {
    background: #f0fdf4;
    border: 2px solid #bbf7d0;
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 20px;
}
.wa-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.wa-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: #ccc;
}
.wa-dot.connected { background: var(--success); }
.wa-dot.disconnected { background: var(--danger); }
.wa-dot.loading { background: var(--warning); animation: pulse 1s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.wa-qr-box {
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    margin-bottom: 16px;
}
.wa-qr-box img { max-width: 250px; }

.wa-method-btn {
    background: #e5e7eb;
    color: var(--text);
    border: 2px solid transparent;
    transition: all 0.2s;
}
.wa-method-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary-dark);
}

.wa-message-box textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'Tajawal', sans-serif;
    font-size: 14px;
    resize: vertical;
}
.wa-message-box textarea:focus {
    outline: none;
    border-color: var(--success);
}

.wa-vars {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin: 8px 0;
}
.wa-var {
    padding: 4px 10px;
    background: #e8f5e9;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    font-weight: 600;
}
.wa-var:hover { background: #c8e6c9; }

/* ─── Progress ─── */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}
.progress-bar .fill {
    height: 100%;
    background: var(--success);
    border-radius: 4px;
    transition: width 0.3s;
}
.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

/* ─── Checkbox ─── */
.checkbox-cell { width: 36px; text-align: center; }
.checkbox-cell input[type="checkbox"] {
    width: 16px; height: 16px; cursor: pointer;
    accent-color: var(--primary);
}

/* ─── Search ─── */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}
.search-box input {
    flex: 1;
    padding: 8px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'Tajawal', sans-serif;
    font-size: 14px;
}
.search-box input:focus { outline: none; border-color: var(--primary); }

/* ─── Loader ─── */
.loader {
    text-align: center;
    padding: 40px;
}
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Alert ─── */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ─── Hidden ─── */
.hidden { display: none !important; }

/* ─── Empty state ─── */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ─── Modal ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-box {
    background: #fff;
    border-radius: var(--radius);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.3s;
}
.modal-overlay.active .modal-box {
    transform: translateY(0);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--success);
}
.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-light);
    padding: 4px 8px;
    border-radius: 6px;
}
.modal-close:hover { background: #f3f4f6; }
.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* ─── Send Log ─── */
.send-log-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 13px;
}
.send-log-item.success { background: #f0fdf4; }
.send-log-item.failed { background: #fef2f2; }
.send-log-item .status-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
}
.send-log-item.success .status-icon { background: #d1fae5; color: #065f46; }
.send-log-item.failed .status-icon { background: #fee2e2; color: #991b1b; }

/* ─── Guidance file items ─── */
.guidance-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    background: #f9fafb;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 4px;
    font-size: 13px;
}
.guidance-file-item:hover { background: #f0f5ff; }

/* ─── Delete file button ─── */
.delete-file-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 18px;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    font-weight: 700;
}
.delete-file-btn:hover { background: #fee2e2; }

/* ─── صفحة الدخول ─── */
.login-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    font-family: 'Tajawal', sans-serif;
    transition: border-color 0.2s;
}
.login-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.otp-input {
    text-align: center;
    font-size: 28px;
    letter-spacing: 10px;
    direction: ltr;
    font-weight: 700;
}