/* Reset and Variables */
:root {
    --bg-base: #0a0d14;
    --bg-panel: rgba(18, 22, 32, 0.85);
    --bg-surface: #141923;
    --bg-surface-hover: #1d2432;
    --border-color: rgba(255, 255, 255, 0.07);
    --border-color-focus: rgba(99, 102, 241, 0.4);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --glass-blur: blur(16px);
    --sidebar-width: 280px;
    --header-height: 56px;
    --panel-padding: 20px;
    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    -webkit-font-smoothing: antialiased;
}

/* App Container Layout */
.app-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
}

/* Connection Portal Overlay */
.portal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(5, 7, 12, 0.85);
    backdrop-filter: blur(20px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.portal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.portal-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px var(--accent-glow);
    border-radius: 16px;
    width: 100%;
    max-width: 520px;
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    animation: portalScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes portalScaleUp {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.portal-header {
    text-align: center;
    margin-bottom: 28px;
}

.logo-area {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.logo-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent));
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--accent);
}

.portal-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

.portal-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.form-group.flex-3 { flex: 3; }
.form-group.flex-1 { flex: 1; }

label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.label-optional {
    color: var(--text-muted);
    text-transform: none;
    font-weight: 400;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 10px 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    transition: var(--transition-smooth);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background-color: var(--bg-surface-hover);
}

.form-error {
    background-color: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    color: var(--error);
    font-size: 13px;
    padding: 10px 14px;
    line-height: 1.4;
}

.form-error.hidden {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--text-secondary);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-icon {
    padding: 8px;
    border-radius: 8px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-icon:hover:not(:disabled) {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
}

.icon-arrow {
    transition: transform 0.2s;
}

.btn-primary:hover .icon-arrow {
    transform: translateX(3px);
}

/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    transition: filter 0.3s;
}

.dashboard-wrapper.blurred {
    filter: blur(8px);
    pointer-events: none;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 10;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.connection-badge {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.badge-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-muted);
}

.badge-status-dot.connected {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

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

.badge-user {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.badge-host {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-disconnect-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.btn-disconnect-icon:hover {
    color: var(--error);
    background-color: var(--error-bg);
}

/* Database Selector */
.db-selector-container {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.section-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.select-wrapper {
    position: relative;
    width: 100%;
}

.db-select {
    width: 100%;
    appearance: none;
    padding: 8px 12px;
    padding-right: 32px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
}

.select-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
}

/* Explorer Section */
.explorer-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.explorer-header {
    padding: 16px 20px 8px 20px;
}

.explorer-search-box {
    position: relative;
    width: 100%;
    margin-top: 6px;
}

.explorer-search-box input {
    width: 100%;
    padding: 6px 10px 6px 28px;
    font-size: 12px;
    border-radius: 6px;
    background-color: var(--bg-surface);
}

.explorer-search-box .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.explorer-list-container {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px 16px 12px;
}

.table-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.table-list li {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.table-list li:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.table-list li.active {
    background-color: var(--accent-glow);
    color: var(--text-primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.table-list li .table-meta {
    font-size: 10px;
    color: var(--text-muted);
}

.list-placeholder {
    padding: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    cursor: default !important;
}

.list-placeholder:hover {
    background: transparent !important;
}

/* Work Desk area */
.work-desk {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
}

.desk-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.tab-container {
    display: flex;
    gap: 8px;
    height: 100%;
    align-items: flex-end;
}

.desk-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
    font-family: var(--font-sans);
}

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

.desk-tab.active {
    color: var(--accent);
    border-color: var(--accent);
}

.current-scope {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
}

.scope-table {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-primary);
}

.desk-body {
    flex: 1;
    position: relative;
    min-height: 0;
    background-color: var(--bg-base);
}

/* View panels */
.view-panel {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease-in-out;
}

.view-panel.active {
    opacity: 1;
    pointer-events: auto;
}

/* Panel Controls */
.panel-control-bar {
    padding: 12px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.control-left {
    display: flex;
    gap: 12px;
}

.control-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.table-search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.table-search-box input {
    padding: 6px 36px 6px 12px;
    font-size: 13px;
    border-radius: 6px;
    width: 240px;
}

.table-search-box button {
    position: absolute;
    right: 3px;
    top: 50%;
    transform: translateY(-50%);
    padding: 4px 6px;
    background: transparent;
    border: none;
}

.page-sizer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.page-sizer select {
    padding: 4px 24px 4px 10px;
    font-size: 13px;
    border-radius: 6px;
}

/* Grid view */
.grid-scroll-area {
    flex: 1;
    overflow: auto;
    position: relative;
    background-color: var(--bg-base);
}

.grid-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.placeholder-content {
    text-align: center;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.placeholder-content h3 {
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 500;
}

.placeholder-content p {
    font-size: 13px;
}

.data-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.data-grid.hidden {
    display: none;
}

.data-grid th {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 2;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-grid th:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
}

.data-grid td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}

.data-grid tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.data-grid tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.005);
}

/* Pagination Footer */
.panel-footer {
    height: 48px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-indicator {
    font-weight: 500;
}

/* Schema tab styling */
.schema-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.schema-content.hidden {
    display: none;
}

.schema-block {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

.block-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--accent);
}

.block-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.block-title-row .block-title {
    margin-bottom: 0;
}

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

.table-container.scrollable {
    max-height: 400px;
    overflow-y: auto;
}

.schema-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.schema-table th {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
}

.schema-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.ddl-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
    color: #e2e8f0;
}

/* SQL tab styling */
.sql-panel-split {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sql-editor-container {
    height: 240px;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-panel);
}

.sql-editor-actions {
    padding: 10px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-wrapper {
    flex: 1;
    position: relative;
}

#sqlTextArea {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    padding: 16px 24px;
    font-family: var(--font-mono);
    font-size: 14px;
    resize: none;
    line-height: 1.5;
}

#sqlTextArea:focus {
    box-shadow: none;
    border-color: transparent;
}

.shortcut {
    font-size: 10px;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 2px 4px;
    border-radius: 4px;
    margin-left: 4px;
    color: #ffffff;
    opacity: 0.8;
}

.sql-result-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.sql-result-header {
    padding: 10px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.query-status-text {
    font-size: 12px;
    color: var(--text-muted);
}

.sql-result-output-area {
    flex: 1;
    overflow: auto;
    position: relative;
    background-color: var(--bg-base);
}

.sql-error-box {
    margin: 20px 24px;
    background-color: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    color: var(--error);
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 16px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.sql-dml-success {
    margin: 20px 24px;
    background-color: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 8px;
    color: var(--success);
    font-size: 13px;
    padding: 16px;
    line-height: 1.5;
}

.data-grid.compact th {
    padding: 6px 12px;
    font-size: 12px;
}

.data-grid.compact td {
    padding: 6px 12px;
    font-size: 12px;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Connection Mode Toggles */
.hidden-fields.hidden {
    display: none;
}
.btn-link {
    background: transparent;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    text-decoration: underline;
    align-self: flex-start;
    padding: 4px 0;
    transition: var(--transition-smooth);
}
.btn-link:hover {
    color: var(--accent-hover);
}
.form-mode-toggle {
    margin-top: 4px;
}