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

:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --bg: #f1f5f9;
    --surface: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

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

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
}

/* Navigation */
.top-nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 56px;
    gap: 16px;
}

.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.nav-user {
    margin-left: auto;
    color: var(--text);
    font-size: 0.875rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
}

.nav-logout {
    font-size: 0.875rem;
    color: var(--danger);
}

/* Layout */
.layout {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    min-height: calc(100vh - 56px);
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    padding: 24px 16px;
    display: none;
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.side-link {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s;
    font-family: inherit;
}

.side-link:hover {
    background: var(--border);
}

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

.main-content {
    flex: 1;
    padding: 24px 16px;
    padding-bottom: 80px;
}

/* Bottom nav (mobile) */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 100;
}

.bottom-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 8px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.bottom-link.active {
    color: var(--primary);
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* Forms */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

.tab-panel[data-tab="records"] #rec-desc {
    min-height: 200px;
    max-height: calc(100vh - 380px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.9rem;
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background: var(--bg);
}

/* Records list */
.record-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 12px;
    transition: box-shadow 0.15s;
}

.record-card:hover {
    box-shadow: var(--shadow-lg);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.record-object {
    font-weight: 600;
    font-size: 0.95rem;
}

.record-time {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

.record-user {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.record-desc {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.5;
    white-space: pre-wrap;
}

.record-coords {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.record-coords a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dashed var(--text-secondary);
}

.record-coords a:hover {
    color: var(--text);
}

.record-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: flex-end;
}

/* Filter bar */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
}

.filter-bar .form-group input,
.filter-bar .form-group select {
    padding: 8px 10px;
    font-size: 0.85rem;
}

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 360px;
}

.login-card .card {
    padding: 32px;
}

.login-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.login-error {
    background: #fef2f2;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}

/* Tab panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Table (for admin lists) */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover td {
    background: var(--bg);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.875rem;
    z-index: 300;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 16px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 1rem;
}

/* User form */
.user-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.user-form input,
.user-form select {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: inherit;
}

.user-form__name { flex: 2; min-width: 150px; }
.user-form__login { flex: 1; min-width: 120px; }
@media (max-width: 767px) {
    .user-form {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .user-form__name { grid-column: 1 / -1; }
    .user-form__login { grid-column: 1; }
    .user-form__role { grid-column: 1; }
    .user-form__btn { grid-column: 2; }
}

/* Responsive */
@media (max-width: 767px) {
    .table-wrap {
        max-width: 100%;
    }

    th, td {
        padding: 8px 6px;
        font-size: 0.75rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }
}

@media (min-width: 768px) {
    .sidebar {
        display: block;
    }

    .bottom-nav {
        display: none;
    }

    .main-content {
        padding-bottom: 24px;
    }

    .record-card {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .record-header {
        margin-bottom: 0;
        min-width: 180px;
        flex-direction: column;
    }

    .record-body {
        flex: 1;
    }

    .record-user {
        margin-bottom: 0;
    }

    .record-actions {
        margin-top: 0;
        flex-shrink: 0;
    }

    .form-row.form-row-3 {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .filter-bar {
        flex-wrap: nowrap;
    }
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.pagination-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-right: auto;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-controls .btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.pagination-current {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0 8px;
    color: var(--text);
}

/* Map modal */
.map-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
}

.map-modal-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

#map-container {
    height: 500px;
}

.map-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.map-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.selected-location {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    margin-bottom: 16px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    font-size: 0.85rem;
    color: #166534;
}

.selected-location span {
    flex: 1;
}

.loc-indicator {
    display: inline-flex;
    margin-left: 6px;
    font-size: 0.8rem;
}