:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-orange: #d29922;
    --accent-purple: #a371f7;
    --accent-red: #f85149;
    --border-color: #30363d;
    --highlight-bg: rgba(88, 166, 255, 0.15);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8c959f;
    --accent-blue: #0969da;
    --accent-green: #1a7f37;
    --accent-orange: #9a6700;
    --accent-purple: #8250df;
    --accent-red: #cf222e;
    --border-color: #d0d7de;
    --highlight-bg: rgba(9, 105, 218, 0.1);
}

* { box-sizing: border-box; }

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

h1::before {
    content: '◎';
    color: var(--accent-blue);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.nav-links a.nav-active {
    color: var(--accent-blue);
    font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 1rem;
    transition: all 0.2s;
}

.theme-toggle:hover {
    border-color: var(--accent-blue);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Search Form */
.search-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row:last-child { margin-bottom: 0; }

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="datetime-local"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.search-input-wrapper { position: relative; }
.search-input-wrapper input { padding-left: 2.5rem; }
.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

button[type="submit"],
.btn.primary {
    padding: 0.75rem 2rem;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

button[type="submit"]:hover,
.btn.primary:hover { opacity: 0.9; }
button[type="submit"]:active { transform: scale(0.98); }
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 1.75rem;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-blue);
}

.checkbox-wrapper span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Results */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.results-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.loading-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--accent-blue);
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.no-results::before {
    content: '∅';
    display: block;
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color 0.2s;
    animation: slideIn 0.3s ease-out;
}

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

.result-card:hover { border-color: var(--accent-blue); }
.result-card.hidden-alert { opacity: 0.6; }

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.result-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.channel-badge {
    padding: 0.25rem 0.75rem;
    background: var(--accent-purple);
    color: white;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.config-badge {
    padding: 0.25rem 0.75rem;
    background: var(--accent-orange);
    color: white;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.datetime {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

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

.result-content { padding: 1.25rem; }

.segment-context {
    font-size: 0.875rem;
    line-height: 1.75;
}

.segment {
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    margin: 0.25rem 0;
}

.segment.highlight {
    background: var(--highlight-bg);
    border-left: 3px solid var(--accent-blue);
}

.segment-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    margin-right: 0.75rem;
}

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

/* Welcome state */
.welcome-state {
    text-align: center;
    padding: 4rem 2rem;
}

.welcome-state h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.welcome-state p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.tip {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.tip-title {
    font-size: 0.875rem;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.tip-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

.tab:hover { color: var(--text-primary); }
.tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Config cards / grid */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.config-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.config-card:hover { border-color: var(--accent-blue); }

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.config-name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.config-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
}

.config-status.enabled {
    background: rgba(63, 185, 80, 0.2);
    color: var(--accent-green);
}

.config-status.disabled {
    background: rgba(248, 81, 73, 0.2);
    color: var(--accent-red);
}

.config-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.keyword-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.config-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn.danger { color: var(--accent-red); }
.btn.danger:hover {
    border-color: var(--accent-red);
    background: rgba(248, 81, 73, 0.1);
}

/* Forms */
.form-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-section h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text-primary);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-vertical {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row-aligned {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1rem;
    align-items: start;
}

.form-row-aligned > label {
    padding-top: 0.75rem;
    text-align: right;
    margin-bottom: 0;
}

.form-hint {
    grid-column: 2;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: -0.5rem;
}

.options-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0.5rem 0;
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: normal;
    margin: 0;
}

.option-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-blue);
}

.channels-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 150px;
    overflow-y: auto;
}

.channel-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all 0.2s;
    text-transform: none;
    letter-spacing: normal;
    margin: 0;
}

.channel-checkbox:hover { border-color: var(--accent-blue); }
.channel-checkbox:has(input:checked) {
    background: var(--highlight-bg);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.channel-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-blue);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Filter bar */
.filter-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-bar .form-group {
    flex: 1;
    min-width: 150px;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 500px;
    width: 90%;
}

.modal h3 { margin: 0 0 1.5rem 0; font-size: 1.125rem; }

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 1rem; }
    header { flex-direction: column; gap: 1rem; align-items: flex-start; }
    .header-right { width: 100%; justify-content: space-between; }
    .form-row { grid-template-columns: 1fr; }
    .result-header { flex-direction: column; align-items: flex-start; }
    .filter-bar { flex-direction: column; }
    .config-grid { grid-template-columns: 1fr; }
    .form-row-aligned { grid-template-columns: 1fr; }
    .form-row-aligned > label { text-align: left; padding-top: 0; }
    .form-hint { grid-column: 1; }
}