@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --sidebar-bg: #1a1f2e;
    --sidebar-text: #a0aec0;
    --sidebar-active: #f5c518;
    --sidebar-active-text: #1a1f2e;
    --main-bg: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --accent: #f5c518;
    --accent-hover: #e0b310;
    --success: #38a169;
    --danger: #e53e3e;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--main-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3748 100%);
}

.login-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .icon {
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 22px;
    font-weight: 700;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand .icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.sidebar-brand h2 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.sidebar-brand small {
    font-size: 11px;
    color: var(--sidebar-text);
    display: block;
}

.sidebar-user {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-user .avatar {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.sidebar-user .info .name {
    font-weight: 600;
    font-size: 14px;
}

.sidebar-user .info .role {
    font-size: 12px;
    color: var(--sidebar-text);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.nav-item.active {
    background: var(--sidebar-active);
    color: var(--sidebar-active-text);
    font-weight: 600;
}

.nav-item .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px 32px;
    min-height: 100vh;
}

/* Top bar */
.top-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--sidebar-active-text);
}

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

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: #f7fafc;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #c53030;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-transfer {
    margin-left: 8px;
    background: #0d9488;
    color: #fff;
    border: none;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(13, 148, 136, 0.35);
}

.btn-transfer:hover {
    background: #0f766e;
    color: #fff;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
    justify-content: center;
}

.table-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.table-search {
    min-width: 220px;
    max-width: 320px;
}

.table-search-empty {
    display: none;
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
}

.table-search-empty.visible {
    display: block;
}

/* Section */
.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* Stats cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card-clickable {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card-clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

.modal.modal-wide {
    max-width: 760px;
}

.stat-card .label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-card .value.success {
    color: var(--success);
}

.stat-card .sub {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Cards & Tables */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    background: #f8fafc;
}

table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

table tr:last-child td {
    border-bottom: none;
}

table tr:hover td {
    background: #f8fafc;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #c6f6d5;
    color: #22543d;
}

.badge-danger {
    background: #fed7d7;
    color: #742a2a;
}

.badge-warning {
    background: #fefcbf;
    color: #744210;
}

.badge-info {
    background: #bee3f8;
    color: #2a4365;
}

.badge-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.expense-input-wrap {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.expense-input-wrap .form-control {
    flex: 1;
}

.expense-add-btn {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    height: 44px;
    padding: 0 14px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--sidebar-bg);
    border-radius: 8px;
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.expense-add-btn:hover {
    background: var(--accent-hover);
}

.expense-add-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.expense-autocomplete {
    position: relative;
}

.expense-suggestions {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 50;
    max-height: 280px;
    overflow-y: auto;
}

.expense-suggestions.active {
    display: block;
}

.expense-suggestions-title {
    padding: 10px 14px 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.expense-suggestion-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.expense-suggestion-item:hover {
    background: #f7fafc;
}

.expense-suggestion-item input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    cursor: pointer;
}

.expense-suggestion-item span {
    flex: 1;
}

.form-control[type="textarea"],
textarea.form-control {
    resize: vertical;
    min-height: 72px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

select.form-control {
    appearance: auto;
}

/* Azərbaycan tarix seçicisi */
input.az-date-native {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.az-date-picker,
.az-month-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.az-date-picker .az-picker-select,
.az-month-picker .az-picker-select {
    width: auto;
    min-width: 0;
    flex: 1 1 90px;
}

.az-date-picker .az-picker-day {
    flex: 0 1 72px;
    min-width: 72px;
}

.az-date-picker .az-picker-month,
.az-month-picker .az-picker-month {
    flex: 1 1 130px;
    min-width: 120px;
}

.az-date-picker .az-picker-year,
.az-month-picker .az-picker-year {
    flex: 0 1 96px;
    min-width: 88px;
}

/* Alert */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.modal-body {
    padding: 24px;
}

/* Attendance grid */
.attendance-grid {
    display: grid;
    gap: 8px;
}

.attendance-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: #f8fafc;
    border-radius: 8px;
}

.attendance-row .name {
    font-weight: 500;
}

.attendance-btns {
    display: flex;
    gap: 8px;
}

.att-btn {
    padding: 6px 16px;
    border-radius: 6px;
    border: 2px solid var(--border);
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
}

.att-btn.present.active {
    background: #c6f6d5;
    border-color: var(--success);
    color: #22543d;
}

.att-btn.absent.active {
    background: #fed7d7;
    border-color: var(--danger);
    color: #742a2a;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

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

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    .app-layout {
        flex-direction: column;
    }
}