/**
 * Persona Archive Page - Modern Design System
 *
 * This stylesheet provides comprehensive styling for the persona archive page
 * with modern card design, responsive grid, consistent spacing, and smooth interactions.
 *
 * Design System:
 * - 8px baseline grid for all spacing
 * - Responsive auto-fill grid layout
 * - Glass-morphism card effects
 * - Color-coded score badges
 * - Professional typography scale
 * - Smooth hover animations
 *
 * @package NeutralTruth
 * @version 1.0.0
 */

/* =======================
   LAYOUT GRID SYSTEM
   ======================= */

/* Main personas layout (sidebar + content) */
.personas-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--spacing-2xl); /* 64px */
    align-items: start;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Personas grid - Modern auto-responsive */
.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
    gap: var(--spacing-xl); /* 48px for generous breathing room */
    margin-top: var(--spacing-2xl); /* 64px */
}

/* =======================
   HERO SECTION
   ======================= */

.personas-hero {
    padding: calc(var(--header-height, 80px) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(180deg,
        rgba(0, 178, 138, 0.03) 0%,
        rgba(255, 255, 255, 1) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.personas-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* 40px - 56px responsive */
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.personas-hero p {
    font-size: 1.25rem; /* 20px */
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =======================
   CONTENT SECTION
   ======================= */

.personas-content {
    padding: var(--spacing-2xl) 0; /* 64px top/bottom */
}

/* =======================
   SIDEBAR
   ======================= */

.personas-sidebar {
    position: sticky;
    top: calc(var(--header-height, 80px) + var(--spacing-lg)); /* 112px from top */
    max-height: calc(100vh - var(--header-height, 80px) - var(--spacing-xl));
    overflow-y: auto;
    padding: var(--spacing-xl); /* 48px */
    background: var(--bg-card, #ffffff);
    border-radius: var(--radius-lg, 16px);
    border: 1px solid var(--border-color, #e5e7eb);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Filter section headers */
.filter-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.filter-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #1a1a1a);
    margin: 0;
}

/* Clear filters button */
.clear-filters {
    padding: var(--spacing-xs) var(--spacing-md); /* 8px 24px */
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 12px);
    color: var(--text-secondary, #64748b);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast, 200ms);
}

.clear-filters:hover {
    background: rgba(0, 178, 138, 0.1);
    border-color: var(--primary-color, #00b28a);
    color: var(--primary-color, #00b28a);
}

/* =======================
   RESULTS HEADER
   ======================= */

.personas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.results-count {
    font-size: 1.125rem; /* 18px */
    color: var(--text-secondary, #64748b);
    font-weight: 500;
}

.count-number {
    font-size: 1.5rem; /* 24px */
    font-weight: 700;
    color: var(--primary-color, #00b28a);
    margin: 0 var(--spacing-xs); /* 8px */
}

/* View toggle buttons */
.view-toggle-group {
    display: flex;
    gap: var(--spacing-sm); /* 16px */
}

.view-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card, #ffffff);
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 12px);
    color: var(--text-muted, #94a3b8);
    cursor: pointer;
    transition: all var(--transition-fast, 200ms);
}

.view-toggle:hover {
    border-color: var(--primary-color, #00b28a);
    color: var(--primary-color, #00b28a);
    transform: translateY(-2px);
}

.view-toggle.active {
    background: linear-gradient(135deg, #00b28a 0%, #00e67a 100%);
    border-color: var(--primary-color, #00b28a);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 178, 138, 0.2);
}

/* =======================
   PERSONA CARD DESIGN
   ======================= */

.persona-card {
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
    transition: all var(--transition-base, 300ms);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.persona-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color, #00b28a);
}

/* =======================
   CARD HEADER (Avatar + Score)
   ======================= */

.persona-card-header {
    position: relative;
    padding: var(--spacing-lg); /* 32px */
    padding-bottom: var(--spacing-md); /* 24px */
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: linear-gradient(180deg,
        rgba(0, 178, 138, 0.03) 0%,
        transparent 100%);
}

/* =======================
   AVATAR STYLING
   ======================= */

.persona-avatar,
.persona-avatar-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-card, #ffffff);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-base, 300ms);
    flex-shrink: 0;
}

.persona-card:hover .persona-avatar,
.persona-card:hover .persona-avatar-placeholder {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 178, 138, 0.2);
}

.persona-avatar-placeholder {
    background: linear-gradient(135deg, #00b28a 0%, #00e67a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
}

/* =======================
   SCORE BADGE
   ======================= */

.persona-score {
    position: absolute;
    top: var(--spacing-md); /* 24px */
    right: var(--spacing-md); /* 24px */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md, 12px);
    padding: var(--spacing-sm) var(--spacing-md); /* 16px 24px */
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    min-width: 80px;
    transition: transform var(--transition-fast, 200ms);
}

.persona-card:hover .persona-score {
    transform: scale(1.05);
}

.score-number {
    display: block;
    font-size: 1.75rem; /* 28px */
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs); /* 8px */
}

/* Color coding for scores */
.persona-score.score-low .score-number {
    color: #00b28a; /* Green - Low manipulation */
}

.persona-score.score-medium .score-number {
    color: #ffaa00; /* Yellow - Medium manipulation */
}

.persona-score.score-high .score-number {
    color: #ff4444; /* Red - High manipulation */
}

.score-label {
    display: block;
    font-size: 0.75rem; /* 12px */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted, #94a3b8);
}

/* =======================
   CARD BODY
   ======================= */

.persona-card-body {
    padding: 0 var(--spacing-lg) var(--spacing-lg); /* 0 32px 32px */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md); /* 24px between sections */
    flex: 1;
}

/* =======================
   PERSONA NAME & TITLE
   ======================= */

.persona-name {
    font-size: 1.25rem; /* 20px */
    font-weight: 700;
    color: var(--text-primary, #1a1a1a);
    margin: 0;
    line-height: 1.3;
    text-align: center;
}

.persona-title {
    font-size: 0.875rem; /* 14px */
    color: var(--text-secondary, #64748b);
    margin: 0;
    text-align: center;
    line-height: 1.4;
}

/* =======================
   META BADGES
   ======================= */

.persona-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm); /* 16px */
    justify-content: center;
    margin-top: var(--spacing-xs); /* 8px */
}

.meta-badge {
    padding: var(--spacing-xs) var(--spacing-md); /* 8px 24px */
    border-radius: var(--radius-full, 9999px); /* Pill shape */
    font-size: 0.75rem; /* 12px */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast, 200ms);
}

.type-badge {
    background: linear-gradient(135deg, #00b28a 0%, #00e67a 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 178, 138, 0.2);
}

.affiliation-badge {
    background: rgba(0, 168, 255, 0.1);
    color: #00a8ff;
    border: 1px solid rgba(0, 168, 255, 0.3);
}

.meta-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* =======================
   STATS SECTION
   ======================= */

.persona-stats {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-md); /* 24px */
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color, #e5e7eb);
    margin-top: auto; /* Push to bottom of card */
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs); /* 8px */
    flex: 1;
}

.stat-value {
    font-size: 1.25rem; /* 20px */
    font-weight: 700;
    color: var(--primary-color, #00b28a);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem; /* 12px */
    color: var(--text-muted, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    text-align: center;
}

/* =======================
   SOCIAL MEDIA PREVIEW
   ======================= */

.persona-social-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs); /* 8px */
    padding-top: var(--spacing-sm); /* 16px */
}

.social-icon-mini {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-darker, #f1f5f9);
    border: 1px solid var(--border-color, #e5e7eb);
    display: inline-block;
    transition: transform var(--transition-fast, 200ms);
}

.social-icon-mini:hover {
    transform: scale(1.1);
}

.social-more {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    font-weight: 600;
}

/* =======================
   RESPONSIVE BREAKPOINTS
   ======================= */

/* Tablet (768px - 1200px) */
@media (max-width: 1200px) {
    .personas-layout {
        grid-template-columns: 280px 1fr;
        gap: var(--spacing-xl); /* 48px */
    }

    .personas-grid {
        gap: var(--spacing-lg); /* 32px */
    }

    .personas-sidebar {
        padding: var(--spacing-lg); /* 32px */
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .personas-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg); /* 32px */
    }

    .personas-sidebar {
        position: static;
        max-height: none;
        margin-bottom: var(--spacing-lg);
    }

    .personas-grid {
        gap: var(--spacing-md); /* 24px */
        margin-top: var(--spacing-xl);
    }

    .personas-hero {
        padding: calc(var(--header-height, 80px) + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }

    .personas-hero h1 {
        font-size: 2rem; /* 32px on mobile */
    }

    .personas-hero p {
        font-size: 1rem; /* 16px on mobile */
    }

    .personas-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .view-toggle-group {
        width: 100%;
        justify-content: flex-end;
    }

    .persona-card-header {
        padding: var(--spacing-md);
    }

    .persona-card-body {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .persona-score {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 60px;
    }

    .score-number {
        font-size: 1.5rem; /* 24px on mobile */
    }

    .persona-avatar,
    .persona-avatar-placeholder {
        width: 80px;
        height: 80px;
    }
}

/* Small mobile (< 480px) */
@media (max-width: 480px) {
    .personas-grid {
        gap: var(--spacing-sm); /* 16px on very small screens */
    }

    .persona-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .stat-item {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }
}

/* =======================
   LOADING STATES
   ======================= */

.persona-card.loading {
    pointer-events: none;
    opacity: 0.6;
}

.persona-card.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* =======================
   EMPTY STATE
   ======================= */

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
}

.no-results-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.no-results-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.no-results-description {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* =======================
   ACCESSIBILITY
   ======================= */

/* Focus states */
.persona-card:focus-within {
    outline: 2px solid var(--primary-color, #00b28a);
    outline-offset: 2px;
}

.persona-link:focus {
    outline: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .persona-card {
        border-width: 2px;
    }

    .persona-card:hover {
        border-width: 3px;
    }
}