/**
 * Evidence-First Founder - Dark Theme Styles
 * Matching the user-provided screenshots
 */

/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --bg-primary: #141414;
    --bg-secondary: #1c1c1c;
    --bg-card: #242424;
    --bg-input: #2a2a2a;
    --bg-hover: #333333;

    --border-color: #3a3a3a;
    --border-accent: #4a4a3a;

    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --text-muted: #666666;

    --accent-gold: #a09060;
    --accent-blue: #4a7ba7;
    --accent-green: #4a7a4a;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --sidebar-width: 280px;
    --transition-speed: 0.25s;
}

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

html,
body {
    height: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   Sidebar Overlay
======================================== */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
    z-index: 999;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Sidebar
======================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100%;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform var(--transition-speed) ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-speed);
}

.close-btn:hover {
    color: var(--text-primary);
}

.refresh-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 16px 20px;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.refresh-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.refresh-icon {
    font-size: 14px;
}

/* Sidebar Sections */
.sidebar-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.search-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    margin-bottom: 10px;
    transition: border-color var(--transition-speed);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-accent);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.add-btn {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    margin-bottom: 10px;
    transition: all var(--transition-speed);
}

.add-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

/* Tab Buttons */
.tab-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.tab-btn {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

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

.tab-btn.active {
    background: var(--bg-card);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

/* Item List */
.item-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
}

.item-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 6px;
    background: var(--bg-card);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.item-list li:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
}

.item-list li.active {
    border-color: var(--border-accent);
    background: var(--bg-hover);
}

.item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition-speed);
    opacity: 0;
}

.item-list li:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

/* ========================================
   Main Content
======================================== */
.main-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.menu-btn {
    position: fixed;
    top: 16px;
    left: 16px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    z-index: 100;
    transition: color var(--transition-speed);
}

.menu-btn:hover {
    color: var(--text-secondary);
}

/* ========================================
   Main Page (Input)
======================================== */
.page {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.page.hidden {
    display: none;
}

.center-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

.main-title {
    font-size: 28px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.main-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 500px;
}

.input-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.category-select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: border-color var(--transition-speed);
}

.category-select:focus {
    outline: none;
    border-color: var(--border-accent);
}

.category-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.query-textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-family);
    resize: vertical;
    min-height: 120px;
    transition: border-color var(--transition-speed);
}

.query-textarea:focus {
    outline: none;
    border-color: var(--border-accent);
}

.query-textarea::placeholder {
    color: var(--text-muted);
}

.analyze-btn {
    width: 100%;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.analyze-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

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

.footer {
    padding: 20px;
    text-align: center;
}

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

/* ========================================
   Results Page
======================================== */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 13px;
    cursor: pointer;
    padding: 16px 24px;
    transition: color var(--transition-speed);
}

.back-btn:hover {
    color: var(--text-primary);
}

.results-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px 40px;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 16px;
}

.scenario-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.scenario-text {
    font-size: 14px;
    color: var(--text-primary);
}

.evidence-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}

.evidence-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

.evidence-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.7;
}

.questions-section {
    margin-top: 24px;
}

.questions-header {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Question Accordion Item */
.question-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.question-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.question-header:hover {
    background: var(--bg-hover);
}

.question-number {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 24px;
}

.question-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.question-toggle {
    color: var(--text-muted);
    font-size: 12px;
    transition: transform var(--transition-speed);
}

.question-item.open .question-toggle {
    transform: rotate(180deg);
}

.question-content {
    display: none;
    padding: 0 20px 16px 56px;
}

.question-item.open .question-content {
    display: block;
}

/* Quote Cards */
.quote-card {
    background: var(--bg-input);
    border-left: 3px solid var(--accent-gold);
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 0 6px 6px 0;
}

.quote-text {
    font-size: 14px;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.quote-source {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   Loading Overlay
======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 20, 20, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 2000;
}

.loading-overlay.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* ========================================
   Modals
======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    overflow: hidden;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.modal-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 12px;
    transition: border-color var(--transition-speed);
}

.modal-input:focus {
    outline: none;
    border-color: var(--border-accent);
}

.modal-input::placeholder {
    color: var(--text-muted);
}

.modal-error {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 8px;
}

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

.modal-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    font-style: italic;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
}

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

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

.btn-primary {
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    color: var(--text-primary);
}

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

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    margin-top: 16px;
}

.checkbox-container input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-gold);
}

/* ========================================
   Scrollbar Styling
======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   Responsive Adjustments
======================================== */
@media (max-width: 640px) {
    .main-title {
        font-size: 22px;
    }

    .main-subtitle {
        font-size: 13px;
    }

    .center-content {
        padding: 60px 16px 20px;
    }

    .results-container {
        padding: 0 16px 40px;
    }
}

/* ========================================
   Confidence Levels
======================================== */
.quote-confidence {
    font-size: 11px;
    font-weight: 600;
    margin-top: 8px;
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    background: rgba(74, 222, 128, 0.1);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.confidence-high {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.confidence-medium {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.confidence-low {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
}