/* Main Stylesheet for Keyword Insight Dashboard - Fixed Layout */
/* Updated: Flexbox Fix */
:root {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --border-color: #475569;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --danger-color: #ef4444;
}

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

html, body {
    height: 100%;
    margin: 0;
    overflow: hidden; /* Prevent global scroll */
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

/* 
   CRITICAL: #app must be a flex container with row direction 
   to place sidebar and content side-by-side.
*/
#app {
    display: flex !important;
    flex-direction: row !important;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 300px;
    min-width: 300px; /* Prevent crushing */
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1rem;
    height: 100%;
    overflow-y: hidden; 
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto; /* Independent scroll */
    padding: 2rem;
    position: relative;
    height: 100%;
    display: block; /* Content flow inside is block */
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.import-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #0f172a;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: background-color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

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

.search-box {
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.search-input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    outline: none;
}

.search-input:focus {
    border-color: var(--accent-color);
}

/* Tags Section */
.tags-section {
    padding: 0 0 1rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.section-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-pill {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.tag-pill:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.tag-pill.active {
    background-color: var(--accent-color);
    color: #0f172a;
    font-weight: 600;
}

.keyword-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 0; /* Important for flex child scrolling */
}

.keyword-item {
    padding: 0.75rem;
    background-color: transparent;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.keyword-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.keyword-item.active {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    border-left: 3px solid var(--accent-color);
}


/* Dashboard Home */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Single Keyword View */
.keyword-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.keyword-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Stages */
.stages-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.column-header {
    background-color: var(--sidebar-bg);
    padding: 0.5rem 1rem;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    border: 1px solid var(--border-color);
    border-bottom: none;
    font-weight: 600;
    color: var(--accent-color);
    display:flex;
    justify-content: space-between;
}

.stage-column {
    background-color: rgba(30, 41, 59, 0.5);
    border-radius: 0 0 1rem 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.stage-count {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.question-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Personas */
.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.persona-card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.2s ease;
}

.persona-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.persona-header {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.persona-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.persona-context {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

.persona-body {
    padding: 1.5rem;
}

.persona-section {
    margin-bottom: 1.5rem;
}

.persona-section:last-child {
    margin-bottom: 0;
}

.persona-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-pain {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ef4444;
}

.icon-goal {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #22c55e;
}

.pain-point {
    color: var(--text-primary);
    background: rgba(239, 68, 68, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 3px solid #ef4444;
}

.goal {
    color: var(--text-primary);
    background: rgba(34, 197, 94, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 3px solid #22c55e;
}

/* Loading / Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 80%;
    color: var(--text-secondary);
    text-align: center;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

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

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

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

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

/* File Input hidden */
#file-input {
    display: none;
}

/* Checkbox & Interactive Elements */
.question-item {
    cursor: pointer;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    /* Added base styles from previous version to ensure compatibility */
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.question-item:hover {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.checkbox-indicator {
    min-width: 24px;
    cursor: pointer;
}

.item-checked {
    opacity: 0.6;
    background-color: rgba(34, 197, 94, 0.05); /* Very light green */
    border-color: rgba(34, 197, 94, 0.2);
}

.item-checked .checkbox-indicator {
    filter: grayscale(0);
}

.strategy-check {
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color 0.2s;
    white-space: nowrap;
    margin-left: 0.5rem;
}

.strategy-check:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.card-checked {
    border-color: var(--success-color);
}

.card-checked .persona-header {
    background-color: rgba(34, 197, 94, 0.1);
}