:root {
    --bg-primary: #0a0f1d;
    --bg-secondary: #141c30;
    --bg-tertiary: #1b2641;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-teal: #0d9488;
    --accent-purple: #8b5cf6;
    --danger: #ef4444;
    --success: #22c55e;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(20, 28, 48, 0.7);
    --glass-blur: blur(16px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Gradients */
.bg-gradient-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-shape-1 {
    position: absolute;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
}

.gradient-shape-2 {
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
}

/* Login Page Styling */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.6s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header svg {
    width: 64px;
    height: 64px;
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input, .input-wrapper textarea {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
}

.input-wrapper input:focus, .input-wrapper textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    text-align: center;
}

/* Dashboard Styling */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 10px;
}

.sidebar-logo svg {
    width: 32px;
    height: 32px;
}

.sidebar-logo span {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.nav-item.active {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    font-weight: 600;
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.page-title h2 {
    font-size: 26px;
    font-weight: 700;
}

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

.dashboard-tab {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.dashboard-tab.active {
    display: block;
}

/* Search Tab */
.search-box-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
}

.search-form {
    display: flex;
    gap: 15px;
}

.search-input-group {
    flex-grow: 1;
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-top: 30px;
    display: none;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

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

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.result-body {
    background-color: var(--bg-primary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    padding: 20px;
    font-family: 'Fira Code', 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
    max-height: 500px;
}

/* Table / Logs Tab */
.table-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    overflow: hidden;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    vertical-align: middle;
}

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

.custom-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.truncate-text {
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Settings Tab */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.settings-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.settings-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-card h3 svg {
    width: 22px;
    height: 22px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 25px;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.pagination-buttons {
    display: flex;
    gap: 10px;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Family Search Results Cards */
.family-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.member-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.member-card.chu-ho {
    border-left: 4px solid var(--accent-purple);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, var(--bg-tertiary) 100%);
}

.member-card.vo-chong {
    border-left: 4px solid var(--accent-teal);
}

.member-card.con {
    border-left: 4px solid var(--accent-blue);
}

.member-card.chau {
    border-left: 4px solid #f59e0b;
}

.member-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.member-avatar svg {
    width: 24px;
    height: 24px;
}

.member-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.member-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.member-cccd-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    font-family: monospace;
}

.copy-icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.copy-icon-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.relation-badge {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.relation-badge.chu-ho {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
}

.relation-badge.vo-chong {
    background: rgba(13, 148, 136, 0.15);
    color: var(--accent-teal);
}

.relation-badge.con {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.relation-badge.chau {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.relation-badge.other {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* Tab/Toggle styling for query output view modes */
.view-mode-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}