/* ============================================
   WhatsEnglish YDS - Ana Stil Dosyası
   ============================================ */

:root {
    --primary: #1a6b4e;
    --primary-light: #e8f5ef;
    --primary-dark: #0f4a35;
    --accent: #f0a500;
    --accent-light: #fff8e6;
    --bg: #f5f7fa;
    --white: #ffffff;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --border: #e2e8f0;
    --danger: #dc3545;
    --success: #198754;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ---- AUTH PAGE ---- */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #2d9b6e 100%);
}

.auth-container {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.auth-brand {
    text-align: center;
    margin-bottom: 30px;
}

.auth-brand h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.auth-brand h1 span {
    color: var(--primary);
}

.auth-brand p {
    color: var(--text-light);
    margin-top: 5px;
    font-size: 14px;
}

/* ---- TABS ---- */
.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-light);
    transition: all 0.2s;
    font-family: inherit;
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

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

/* ---- FORMS ---- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-select {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
    background: var(--white);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,107,78,0.1);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group { flex: 1; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
}

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

.btn-primary:hover { background: var(--primary-dark); }

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

.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-full { width: 100%; }

.btn-small {
    padding: 6px 14px;
    font-size: 13px;
}

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

.btn-google:hover {
    background: var(--bg);
    border-color: #ccc;
}

.btn-google svg { flex-shrink: 0; }

.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-light);
    font-size: 13px;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider span { padding: 0 12px; }

.auth-links {
    text-align: center;
    margin-top: 12px;
}

.auth-links a {
    color: var(--primary);
    font-size: 13px;
    text-decoration: none;
}

.auth-links a:hover { text-decoration: underline; }

/* ---- ALERTS ---- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* ---- NAVBAR ---- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 30px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.nav-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.nav-brand span { color: var(--primary); }

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-light);
}

.admin-nav { background: var(--text); }
.admin-nav .nav-brand { color: var(--white); }
.admin-nav .nav-brand span { color: var(--accent); }
.admin-nav .nav-user span { color: #ccc; }
.admin-nav .btn-outline { border-color: rgba(255,255,255,0.2); color: var(--white); }
.admin-nav .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ---- DASHBOARD ---- */
.dashboard {
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 20px;
}

/* ---- PROFILE TABS ---- */
.profile-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.ptab {
    padding: 12px 24px;
    border: 1.5px solid var(--border);
    background: var(--white);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    font-family: inherit;
    color: var(--text-light);
}

.ptab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ---- PANELS ---- */
.panel {
    display: none;
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.panel.active { display: block; }

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
}

/* ---- INFO GRID ---- */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.info-item {
    padding: 14px 18px;
    background: var(--bg);
    border-radius: 8px;
}

.info-item label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.info-item span {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
}

.group-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

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

/* ---- PROGRAMS GRID ---- */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.program-card {
    padding: 20px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    text-align: center;
    transition: all 0.2s;
}

.program-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.program-card.inactive { opacity: 0.5; }

.program-icon { font-size: 28px; margin-bottom: 8px; }
.program-name { font-weight: 600; font-size: 14px; margin-bottom: 6px; }

.status-active { color: var(--success); font-size: 12px; font-weight: 600; }
.status-inactive { color: var(--text-light); font-size: 12px; }

/* ---- GROUP PAGE ---- */
.group-page { background: var(--bg); }

.group-badge {
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.group-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.date-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    text-align: center;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.date-text {
    font-size: 20px;
    font-weight: 700;
}

.daily-section {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.section-number {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.section-header h2 {
    font-size: 16px;
    font-weight: 700;
}

.section-content {
    padding: 24px;
}

.task-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
}

.no-content {
    color: var(--text-light);
    font-style: italic;
    text-align: center;
    padding: 20px 0;
}

.pdf-container { text-align: center; }

.pdf-container iframe {
    max-width: 100%;
    margin-bottom: 16px;
}

.pdf-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.extra-message {
    background: var(--accent-light);
    border-left: 4px solid var(--accent);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    font-size: 15px;
    line-height: 1.7;
}

.group-footer {
    text-align: center;
    padding: 30px;
    color: var(--text-light);
    font-size: 13px;
}

.group-footer a { color: var(--primary); text-decoration: none; }

/* ---- ADMIN STATS ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ---- ADMIN TABLE ---- */
.search-bar {
    margin-bottom: 20px;
}

.search-bar form {
    display: flex;
    gap: 10px;
}

.search-bar input {
    flex: 1;
    padding: 11px 16px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
}

.table-container {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.admin-table th {
    background: var(--bg);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.admin-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table tr:hover td { background: var(--primary-light); }

.inline-form { display: inline; }

.inline-form select {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
}

/* ---- PAGINATION ---- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.page-link {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
}

.page-link.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.page-link:hover:not(.active) {
    border-color: var(--primary);
    color: var(--primary);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
    .auth-container { padding: 24px; margin: 10px; }
    .form-row { flex-direction: column; gap: 0; }
    .navbar { padding: 12px 16px; }
    .nav-brand { font-size: 16px; }
    .dashboard { padding: 0 12px; margin: 16px auto; }
    .panel { padding: 20px; }
    .profile-tabs { flex-direction: column; }
    .info-grid { grid-template-columns: 1fr; }
    .programs-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .group-container { padding: 12px; }
    .date-text { font-size: 16px; }
    .search-bar form { flex-direction: column; }
}