:root {
    --primary-color: #0a7ea4;
    --primary-hover: #096886;
    --secondary-color: #194f64;
    --success-color: #14b866;
    --danger-color: #d94040;
    --bg-primary: #ffffff;
    --bg-secondary: #eef4f7;
    --bg-tertiary: #dce7ed;
    --text-primary: #10222d;
    --text-secondary: #46606f;
    --border-color: #c5d6df;
    --shadow: 0 1px 3px rgba(16, 34, 45, 0.15);
    --shadow-lg: 0 12px 24px rgba(16, 34, 45, 0.14);
}

[data-theme='dark'] {
    --primary-color: #2da9d7;
    --primary-hover: #1f8db6;
    --secondary-color: #111a24;
    --success-color: #2ac276;
    --danger-color: #ef6b5d;
    --bg-primary: #131e29;
    --bg-secondary: #0d1620;
    --bg-tertiary: #1d2b38;
    --text-primary: #dbe7f2;
    --text-secondary: #9bb1c6;
    --border-color: #2b4154;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.35);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(165deg, #f6fbff 0%, #e7f2f8 60%, #dbeaf2 100%);
    color: var(--text-primary);
    line-height: 1.5;
}

[data-theme='dark'] body {
    background: linear-gradient(165deg, #0a1219 0%, #0d1822 60%, #122230 100%);
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.4rem;
    letter-spacing: 0.03em;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.92;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.16);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0.45rem 0.9rem;
    border-radius: 7px;
    cursor: pointer;
}

.header-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.btn-theme {
    background: rgba(255, 255, 255, 0.16);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0.45rem 0.9rem;
    border-radius: 7px;
    cursor: pointer;
}

.btn-theme:hover,
.btn-logout:hover {
    background: rgba(255, 255, 255, 0.26);
}

.tabs {
    display: flex;
    gap: 0.4rem;
    padding: 0 1rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 0.8rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 310px;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1rem;
}

.btn-icon {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 6px;
    cursor: pointer;
}

.file-tree {
    flex: 1;
    overflow-y: auto;
    padding: 0.45rem;
}

.tree-item {
    user-select: none;
}

.tree-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.4rem;
    border-radius: 5px;
    cursor: pointer;
}

.tree-label:hover {
    background-color: var(--bg-tertiary);
}

.tree-label.active {
    background-color: var(--primary-color);
    color: white;
}

.tree-icon {
    font-size: 0.72rem;
    min-width: 2.1rem;
    font-weight: 700;
}

.tree-name {
    font-size: 0.86rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tree-toggle {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.tree-toggle.expanded {
    transform: rotate(90deg);
}

.tree-children {
    display: none;
    margin-left: 0.7rem;
}

.tree-children.expanded {
    display: block;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: 2rem;
}

.welcome h2 {
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

.welcome > p {
    color: var(--text-secondary);
    max-width: 680px;
}

.features {
    margin-top: 1.8rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.feature {
    width: 220px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.feature .icon {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    border-radius: 50%;
    margin-bottom: 0.45rem;
    background: var(--primary-color);
    color: #fff;
}

.feature p {
    font-size: 0.86rem;
    color: var(--text-secondary);
}

.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.editor-header {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.file-icon {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.file-name {
    font-weight: 700;
}

.file-status.modified {
    color: var(--danger-color);
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    border: none;
    border-radius: 7px;
    padding: 0.5rem 0.85rem;
    font-size: 0.86rem;
    cursor: pointer;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

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

.btn-inline {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
}

.editor {
    flex: 1;
    border: none;
    resize: none;
    outline: none;
    padding: 1rem;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.88rem;
    line-height: 1.45;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.pm2-container {
    height: 100%;
    overflow-y: auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.pm2-controls,
.pm2-processes,
.pm2-output-wrapper,
.pm2-logs {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.9rem;
    box-shadow: var(--shadow);
}

.pm2-row {
    margin-bottom: 0.7rem;
}

.pm2-row label {
    display: block;
    font-size: 0.82rem;
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.text-input,
.select-input {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    padding: 0.5rem 0.65rem;
    font-size: 0.86rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.pm2-actions {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.pm2-process-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.process-row {
    display: grid;
    grid-template-columns: minmax(160px, 1.4fr) 0.8fr 0.8fr auto;
    gap: 0.45rem;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.6rem;
}

.process-name {
    font-weight: 700;
}

.process-id,
.process-status {
    font-size: 0.82rem;
}

.status-online {
    color: var(--success-color);
    font-weight: 700;
}

.status-offline {
    color: var(--danger-color);
    font-weight: 700;
}

.terminal-output {
    margin-top: 0.65rem;
    min-height: 130px;
    max-height: 240px;
    overflow: auto;
    border: 1px solid #1f343f;
    border-radius: 8px;
    background: #102631;
    color: #9ff0ff;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.83rem;
    line-height: 1.45;
    padding: 0.75rem;
    white-space: pre-wrap;
}

[data-theme='dark'] .terminal-output {
    border-color: #3d5a70;
    background: #0b1218;
    color: #9fe8ff;
}

.log-output {
    min-height: 200px;
    max-height: 320px;
}

.pm2-logs-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.pm2-logs-actions {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    flex-wrap: wrap;
}

.log-process {
    width: 220px;
}

.log-lines {
    width: 95px;
}

.loading {
    color: var(--text-secondary);
    text-align: center;
    padding: 0.9rem;
}

.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    background: var(--success-color);
    color: white;
    padding: 0.7rem 1rem;
    border-radius: 7px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 980px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        max-height: 240px;
    }

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

    .log-process,
    .log-lines {
        width: 100%;
    }
}

/* ─── MongoDB ──────────────────────────────────────────────────────────────── */

.mongo-container {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1rem 1.25rem;
    width: 100%;
    overflow-y: auto;
}

.mongo-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.2rem;
}

.mongo-section h3 {
    margin: 0 0 0.75rem 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.mongo-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
}

.mongo-row label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mongo-row-inline {
    flex-direction: row;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 0.75rem;
}

.mongo-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
    min-width: 120px;
}

.mongo-field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mongo-connstr {
    resize: vertical;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.82rem;
}

.mongo-json {
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.82rem;
    resize: vertical;
}

.mongo-limit-input {
    width: 90px;
}

.mongo-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0;
}

.mongo-hint code {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0 3px;
    font-size: 0.78rem;
}

.mongo-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mongo-status {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.mongo-status.ok {
    color: var(--success-color);
}

.mongo-status.error {
    color: var(--danger-color);
}

.mongo-count {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--text-secondary);
}

/* ─ Results split layout ─ */

.mongo-split {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0.9rem;
    min-height: 320px;
}

.mongo-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    overflow-y: auto;
    max-height: 480px;
    padding-right: 0.3rem;
}

.mongo-doc-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 7px;
    padding: 0.5rem 0.7rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mongo-doc-card:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.mongo-doc-card.selected {
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 10%, var(--bg-primary));
}

.mongo-doc-id {
    font-family: Consolas, 'Courier New', monospace;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mongo-doc-preview {
    font-size: 0.74rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─ Document editor panel ─ */

.mongo-editor-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mongo-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.mongo-editor-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mongo-doc-json {
    flex: 1;
    min-height: 280px;
    resize: vertical;
}

.mongo-update-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-height: 1rem;
}

.mongo-update-status.ok {
    color: var(--success-color);
}

.mongo-update-status.error {
    color: var(--danger-color);
}

.mongo-update-status.warn {
    color: #e09d40;
}

/* Dark mode adjustments for mongo */
[data-theme='dark'] .mongo-doc-card.selected {
    background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-primary));
}

@media (max-width: 860px) {
    .mongo-split {
        grid-template-columns: 1fr;
    }
}