/*
 * Community Listening Engine Stylesheet
 * Based on DESIGN.md tokens.
 * @author Zoo
 * @last_updated 2026-09-01
 */

/* 1. Global Reset and Variables (Design Tokens) */
:root {
    /* Colors */
    --color-surface: #f8f9fa;
    --color-surface-container-low: #f3f4f5;
    --color-surface-container: #edeeef;
    --color-surface-container-high: #e7e8e9;
    --color-surface-container-highest: #e1e3e4;
    --color-on-surface: #191c1d;
    --color-on-surface-variant: #444650;
    --color-inverse-surface: #2e3132;
    --color-inverse-on-surface: #f0f1f2;
    --color-outline: #757682;
    --color-outline-variant: #c5c6d2;
    --color-surface-tint: #435b9f;
    --color-primary: #00113a;
    --color-on-primary: #ffffff;
    --color-primary-container: #002366;
    --color-on-primary-container: #758dd5;
    --color-inverse-primary: #b3c5ff;
    --color-secondary: #725c00;
    --color-on-secondary: #ffffff;
    --color-secondary-container: #fed000;
    --color-on-secondary-container: #6f5900;
    --color-tertiary: #001904;
    --color-on-tertiary: #ffffff;
    --color-tertiary-container: #00300d;
    --color-on-tertiary-container: #22a546;
    --color-error: #ba1a1a;
    --color-on-error: #ffffff;
    --color-error-container: #ffdad6;
    --color-on-error-container: #93000a;
    --color-primary-fixed: #dbe1ff;
    --color-primary-fixed-dim: #b3c5ff;
    --color-on-primary-fixed: #00174a;
    --color-on-primary-fixed-variant: #2a4386;
    --color-secondary-fixed: #ffe07f;
    --color-secondary-fixed-dim: #edc200;
    --color-on-secondary-fixed: #231b00;
    --color-on-secondary-fixed-variant: #564500;
    --color-tertiary-fixed: #82fc90;
    --color-tertiary-fixed-dim: #65df77;
    --color-on-tertiary-fixed: #002107;
    --color-on-tertiary-fixed-variant: #00531c;
    --color-background: #f8f9fa;
    --color-on-background: #191c1d;
    --color-surface-variant: #e1e3e4;

    /* Typography */
    --font-family-heading: 'Literata', serif;
    --font-family-body: 'Hanken Grotesk', sans-serif;

    /* Spacing & Radius */
    --spacing-base: 8px;
    --spacing-container-max: 1280px;
    --spacing-gutter: 24px;
    --spacing-margin-desktop: 40px;
    --spacing-margin-mobile: 16px;
    --spacing-stack-sm: 8px;
    --spacing-stack-md: 16px;
    --spacing-stack-lg: 32px;
    --border-radius-sm: 0.125rem;
    --border-radius-default: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-full: 9999px;
}

/* 2. Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-body);
    background-color: var(--color-background);
    color: var(--color-on-background);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

/* 3. Layout */
.app-container {
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-gutter);
}

.header {
    background-color: var(--color-surface-container-high);
    padding: var(--spacing-stack-md) 0;
    border-bottom: 1px solid var(--color-outline-variant);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-gutter);
}

.main-content {
    padding-top: var(--spacing-stack-lg);
}

.view {
    display: none; /* Hidden by default, JS will manage visibility */
}

.view.active {
    display: block;
}

.card {
    background-color: var(--color-surface-container-low);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-stack-md);
    margin-bottom: var(--spacing-stack-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-stack-sm);
}

/* 4. Typography */
h1, h2, h3 {
    font-family: var(--font-family-heading);
    color: var(--color-primary);
    margin-top: 0;
}

.display-lg {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.headline-md {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.2;
}

.body-md {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-on-surface-variant);
}

/* 5. Navigation & Buttons */
.nav {
    display: flex;
    gap: 10px;
}

.nav-btn {
    background: none;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    font-family: var(--font-family-body);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-on-surface-variant);
    transition: color 0.2s, border-bottom 0.2s;
    border-bottom: 2px solid transparent;
}

.nav-btn.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.nav-btn:hover:not(.active) {
    color: var(--color-on-surface);
}

.refresh-btn {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border: none;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

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

/* 6. Dashboard Specifics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-gutter);
    margin-bottom: var(--spacing-stack-lg);
}

.stat-card {
    background-color: var(--color-surface-container-highest);
    padding: var(--spacing-stack-md);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 5px 0 10px;
}

.stat-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.stat-badge.success {
    background-color: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
}

/* 7. Status List */
.status-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-outline-variant);
}

.status-item:last-child {
    border-bottom: none;
}

.status-label {
    font-weight: 500;
}

.status-indicator {
    font-size: 1.2em;
    cursor: pointer;
}

.status-indicator.good {
    color: #1f7a3f;
}

.status-indicator.bad {
    color: var(--color-error);
}

.status-indicator.uncertain {
    color: #b27a00;
}

/* 8. Activity/Message/Insight Lists */
.activity-list, .messages-list, .insights-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-stack-sm);
}

.message-bubble {
    padding: 10px 15px;
    border-radius: var(--border-radius-lg);
    max-width: 80%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.message-bubble.sent {
    align-self: flex-end;
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
    border-bottom-right-radius: var(--border-radius-sm);
}

.message-bubble.received {
    align-self: flex-start;
    background-color: var(--color-surface-container-highest);
    color: var(--color-on-surface);
    border-bottom-left-radius: var(--border-radius-sm);
}

.message-meta {
    display: block;
    font-size: 12px;
    color: var(--color-outline);
    margin-top: 5px;
    text-align: right;
}

/* 9. Filters and Selects */
.filter-bar {
    display: flex;
    gap: 10px;
    align-items: center;
}

.filter-select {
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-outline);
    background-color: var(--color-surface-container-low);
    font-family: var(--font-family-body);
}

/* 10. Media Queries (Responsiveness) */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        padding: 0 var(--spacing-gutter);
    }
    .nav {
        width: 100%;
        justify-content: space-around;
    }
    .nav-btn {
        flex-grow: 1;
        text-align: center;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .app-container {
        padding: 0 var(--spacing-gutter);
    }
}