/* admin.css - Enhanced UI & Pro Login Edition */

:root {
    --admin-bg: #f8fafc;
    --admin-card: #ffffff;
    --accent: #0ea5e9;
    --accent-light: #e0f2fe;
    --accent-dark: #0284c7;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --success: #10b981;
    --danger: #ef4444;
}

/* ---------- Admin Container ---------- */
.admin-container {
    display: none;
    min-height: 100vh;
    background: var(--admin-bg);
}

.admin-container.logged-in {
    display: flex;
    flex-direction: column;
}

/* ---------- Sub-views handling ---------- */
.admin-sub-view {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.admin-sub-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Admin Top Navigation ---------- */
.admin-top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 1rem 2.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav-links {
    display: flex;
    gap: 1.5rem;
}

.admin-nav-item {
    background: none;
    border: none;
    padding: 0.5rem 0;
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.admin-nav-item:hover {
    color: var(--accent);
}

.admin-nav-item.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.admin-nav-user {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

#headerUserName {
    font-weight: 700;
    color: var(--text-main);
    font-size: 0.9rem;
}

.logout-link {
    background: none;
    border: none;
    color: var(--danger);
    font-weight: 700;
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    font-size: 0.9rem;
    padding: 0;
}

.logout-link:hover {
    text-decoration: underline;
}

/* ---------- Main Content Area ---------- */
.admin-main {
    flex: 1;
    padding: 2.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .admin-main {
        padding: 1.5rem;
    }
    .admin-top-nav {
        padding: 1rem 1.5rem;
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* ---------- Dashboard Cards ---------- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stat-card .num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    font-family: 'Tajawal', sans-serif;
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* ---------- Pro Login Screen ---------- */
#loginScreen {
    position: fixed;
    inset: 0;
    background: #f1f5f9;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-wrapper {
    background: white;
    width: 100%;
    max-width: 900px;
    min-height: 540px;
    display: flex;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.login-visual {
    flex: 1.1;
    background: var(--accent);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.visual-logo { font-size: 4.5rem; margin-bottom: 1.5rem; }
.login-visual h2 { font-size: 2.25rem; font-weight: 900; margin-bottom: 1rem; font-family: 'Tajawal'; }
.login-visual p { font-size: 1rem; opacity: 0.9; line-height: 1.6; max-width: 320px; margin: 0 auto; }

.login-form-area {
    flex: 1;
    padding: 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #ffffff;
}

.lc-header { margin-bottom: 2rem; }
.lc-title { font-size: 1.75rem; font-weight: 800; color: var(--text-main); margin-bottom: 0.5rem; font-family: 'Tajawal'; }
.lc-sub { color: var(--text-muted); font-size: 0.9rem; }

.lc-fields { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1.5rem; }
.lc-field label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text-main); margin-bottom: 0.5rem; }

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    right: 1rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.input-with-icon input {
    width: 100%;
    padding: 0.75rem 2.8rem 0.75rem 1rem;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    font-family: 'Cairo', sans-serif;
    font-size: 0.95rem;
    transition: all 0.2s;
    outline: none;
}

.input-with-icon input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

/* Pro Buttons */
.lc-btn {
    width: 100%;
    padding: 0.9rem;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.2);
}

.lc-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

.lc-btn:active {
    transform: translateY(0);
}

.lc-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.lc-divider::before, .lc-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.lc-divider span {
    padding: 0 1rem;
    font-weight: 600;
}

.btn-ghost-premium {
    width: 100%;
    padding: 0.75rem;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    background: #f8fafc;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-ghost-premium:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--accent-dark);
}

#li-err {
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.75rem;
    text-align: center;
    min-height: 1.2rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---------- Tables ---------- */
.courses-table {
    width: 100%;
    border-collapse: collapse;
}

.courses-table th {
    text-align: right;
    padding: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.courses-table td {
    padding: 1rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
    font-size: 0.95rem;
}

/* ---------- Applicant Card Pro Design ---------- */
.applicant-card {
    background: white;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    text-align: right;
}

.applicant-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.applicant-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
    opacity: 0.8;
}

.applicant-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.applicant-avatar {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
    font-family: 'Tajawal';
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.applicant-info-main {
    flex: 1;
    min-width: 0;
}

.applicant-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
    font-family: 'Tajawal';
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.applicant-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.applicant-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.applicant-course-box {
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    padding: 0.75rem 1rem;
}

.course-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.course-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
}

.applicant-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 600;
}

.contact-item .icon {
    font-size: 1rem;
    width: 20px;
    display: inline-block;
    text-align: center;
}

.applicant-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.action-btn-sm {
    padding: 0.6rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s;
    font-family: 'Cairo';
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
}

.btn-whatsapp {
    background: #22c55e15;
    color: #16a34a;
    border: 1px solid #22c55e30;
}

.btn-whatsapp:hover {
    background: #16a34a;
    color: white;
}

.btn-call {
    background: #3b82f615;
    color: #2563eb;
    border: 1px solid #3b82f630;
}

.btn-call:hover {
    background: #2563eb;
    color: white;
}

.btn-delete-small {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid #fee2e2;
    background: #fef2f2;
    color: #ef4444;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-delete-small:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

@media (max-width: 768px) {
    .login-wrapper {
        flex-direction: column;
        max-width: 400px;
    }
    .login-visual {
        padding: 2rem;
        min-height: auto;
    }
    .login-form-area {
        padding: 2rem;
    }
}