/* Fodder - Conversation Starters
 * A warm, inviting aesthetic for family gatherings
 * Inspired by: vintage playing cards, fireplace warmth, holiday coziness
 */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Warm color palette - inspired by fireside gatherings */
    --color-cream: #FDF6E3;
    --color-parchment: #F5E6C8;
    --color-gold: #D4A574;
    --color-amber: #C9893A;
    --color-sienna: #8B4513;
    --color-mahogany: #5C3317;
    --color-espresso: #3C1F0E;
    
    /* Accent colors */
    --color-ruby: #9B2335;
    --color-forest: #2D5A3D;
    --color-navy: #1E3A5F;
    
    /* Functional colors */
    --color-include: #2D5A3D;
    --color-exclude: #9B2335;
    --color-neutral: #6B5B4F;
    
    /* Shadows - warm tones */
    --shadow-soft: 0 2px 8px rgba(92, 51, 23, 0.15);
    --shadow-medium: 0 4px 16px rgba(92, 51, 23, 0.2);
    --shadow-strong: 0 8px 32px rgba(60, 31, 14, 0.25);
    --shadow-card: 0 10px 40px rgba(60, 31, 14, 0.3), 0 2px 8px rgba(60, 31, 14, 0.2);
    
    /* Typography */
    --font-display: 'Crimson Pro', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-card: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    background: var(--color-cream);
    color: var(--color-espresso);
    min-height: 100vh;
    line-height: 1.6;
    
    /* Warm textured background */
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(212, 165, 116, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(201, 137, 58, 0.1) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-blend-mode: normal, normal, overlay;
    background-attachment: fixed;
}

/* ============================================
   Install Prompt
   ============================================ */
.install-prompt {
    position: fixed;
    top: var(--space-md);
    left: var(--space-md);
    right: var(--space-md);
    background: linear-gradient(135deg, var(--color-sienna), var(--color-mahogany));
    color: var(--color-cream);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
    z-index: 1000;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.install-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.install-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.install-text {
    flex: 1;
}

.install-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.install-text p {
    opacity: 0.9;
    font-size: 0.875rem;
    margin: 0;
}

.btn-install {
    background: var(--color-gold);
    color: var(--color-espresso);
    font-weight: 600;
}

.btn-close {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    padding: var(--space-xs);
    line-height: 1;
}

.btn-close:hover {
    opacity: 1;
}

/* ============================================
   Header - Compact
   ============================================ */
.header {
    background: var(--color-cream);
    color: var(--color-espresso);
    padding: var(--space-xs) var(--space-md);
    text-align: center;
    border-bottom: 2px solid var(--color-gold);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo {
    height: 44px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

@media (min-width: 480px) {
    .header-logo {
        height: 52px;
        max-width: 200px;
    }
}

.logo-icon {
    font-size: 1.5rem;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin: 0;
}

/* ============================================
   Filter Section - Collapsible
   ============================================ */
.filter-section {
    background: var(--color-parchment);
    border-bottom: 2px solid var(--color-gold);
}

.filter-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-mahogany);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.filter-toggle:hover {
    background: rgba(0, 0, 0, 0.03);
}

.filter-toggle-text {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-icon {
    font-size: 1rem;
}

.filter-badge {
    display: none;
    background: var(--color-sienna);
    color: var(--color-cream);
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.filter-badge.visible {
    display: inline-block;
}

.filter-arrow {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
    color: var(--color-neutral);
}

.filter-arrow.open {
    transform: rotate(180deg);
}

.filter-content {
    padding: 0 var(--space-md) var(--space-md);
}

/* Active filters always visible below toggle */
.active-filters {
    padding: 0 var(--space-md);
    padding-bottom: var(--space-sm);
}

/* Filter Mode Toggle */
.filter-mode {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    align-items: center;
}

.mode-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-cream);
    color: var(--color-neutral);
}

.mode-btn.active[data-mode="include"] {
    background: var(--color-include);
    color: white;
    border-color: var(--color-include);
}

.mode-btn.active[data-mode="exclude"] {
    background: var(--color-exclude);
    color: white;
    border-color: var(--color-exclude);
}

.mode-icon {
    font-size: 0.9rem;
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-cream);
    color: var(--color-neutral);
    border: 2px solid transparent;
    user-select: none;
    -webkit-user-select: none;
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
    background: var(--color-gold);
    color: var(--color-espresso);
}

.tag.included {
    background: var(--color-include);
    color: white;
    border-color: var(--color-include);
}

.tag.excluded {
    background: var(--color-exclude);
    color: white;
    border-color: var(--color-exclude);
}

.tag .tag-count {
    margin-left: var(--space-xs);
    opacity: 0.7;
    font-size: 0.75rem;
}

/* Active Filters Display */
.active-filters {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.filter-group {
    display: none;
    align-items: flex-start;
    gap: var(--space-sm);
}

.filter-group.has-tags {
    display: flex;
}

.filter-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-neutral);
    white-space: nowrap;
    padding-top: 4px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px var(--space-sm);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

#include-tags .filter-tag {
    background: rgba(45, 90, 61, 0.15);
    color: var(--color-include);
}

#exclude-tags .filter-tag {
    background: rgba(155, 35, 53, 0.15);
    color: var(--color-exclude);
}

.filter-tag-remove {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.filter-tag-remove:hover {
    opacity: 1;
}

/* ============================================
   Card Controls - Inline with card
   ============================================ */
.card-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
}

.prompt-counter {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--color-neutral);
    min-width: 50px;
    text-align: center;
}

.prompt-counter span {
    font-weight: 700;
    color: var(--color-sienna);
}

.btn-large {
    padding: var(--space-sm) var(--space-xl);
    font-size: 1rem;
}

.btn-icon-only {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-cream);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid var(--color-gold);
}

.btn-icon-only:hover {
    background: var(--color-gold);
    transform: scale(1.05);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.btn-icon {
    font-size: 1.1rem;
}

.btn-primary {
    flex: 1;
    background: linear-gradient(135deg, var(--color-sienna), var(--color-mahogany));
    color: var(--color-cream);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    flex: 1;
    background: var(--color-cream);
    color: var(--color-sienna);
    border: 2px solid var(--color-gold);
}

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-espresso);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
    min-height: 32px;
    background: var(--color-cream);
    color: var(--color-sienna);
    border: 1px solid var(--color-gold);
}

.btn-small:hover {
    background: var(--color-gold);
    color: var(--color-espresso);
}

.btn-text {
    background: transparent;
    color: var(--color-sienna);
    padding: var(--space-sm);
    min-height: auto;
}

.btn-text:hover {
    color: var(--color-mahogany);
    text-decoration: underline;
}

/* ============================================
   Main Card Area
   ============================================ */
.main {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
    overflow: hidden;
}

.card-container {
    width: 100%;
    max-width: 360px;
    perspective: 1000px;
}

/* The Prompt Card */
.prompt-card {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    max-height: 55vh;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform var(--transition-slow);
}

.prompt-card:hover {
    transform: rotateY(3deg) rotateX(-2deg);
}

.prompt-card:active {
    transform: scale(0.98);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-card);
    background: linear-gradient(145deg, #FFFEF9 0%, var(--color-parchment) 100%);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    
    /* Card border pattern */
    border: 4px solid var(--color-sienna);
}

.card-inner::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 2px solid var(--color-gold);
    border-radius: calc(var(--radius-card) - 8px);
    pointer-events: none;
}

/* Card decorations */
.card-decoration {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 30px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 10 Q25 0 50 10 Q75 20 100 10' stroke='%23D4A574' stroke-width='2' fill='none'/%3E%3Ccircle cx='50' cy='10' r='4' fill='%23D4A574'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.8;
}

.card-decoration-top {
    top: 20px;
}

.card-decoration-bottom {
    bottom: 20px;
    transform: translateX(-50%) rotate(180deg);
}

/* Card content */
.card-content {
    position: absolute;
    inset: 50px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow-y: auto;
}

.prompt-text {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    line-height: 1.5;
    color: var(--color-espresso);
    margin: 0;
}

/* Card tags - below the card */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    padding: 0 var(--space-sm);
    max-width: 360px;
    width: 100%;
}

.card-tag {
    font-size: 0.7rem;
    padding: 4px 10px;
    background: var(--color-gold);
    color: var(--color-espresso);
    border-radius: 12px;
    opacity: 0.9;
    white-space: nowrap;
}

.card-tag-id {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    background: var(--color-sienna);
    color: var(--color-cream);
    letter-spacing: 0.05em;
}

/* Card actions */
.card-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    padding: 0 var(--space-md);
}

.card-actions .btn-small {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.card-actions .btn-small:hover {
    opacity: 1;
}

.card-actions .btn-small.active {
    opacity: 1;
    font-weight: 600;
}

.card-actions .btn-small.seen-active {
    color: var(--color-sienna);
}

.card-actions .btn-small.hidden-active {
    color: var(--color-exclude);
}

/* Favorite button */
.fav-btn {
    font-size: 1.25rem;
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: none;
}

.fav-btn .fav-star {
    transition: all var(--transition-fast);
}

.fav-btn.fav-active .fav-star {
    color: var(--color-gold);
    text-shadow: 0 0 4px var(--color-gold);
}

.fav-btn:hover .fav-star {
    transform: scale(1.2);
}

/* Favs filter button in controls */
#favs-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

#favs-filter-btn .fav-icon {
    font-size: 1.1rem;
    transition: transform var(--transition-fast);
}

#favs-filter-btn.favs-active {
    background: var(--color-sienna);
    color: var(--color-cream);
    border-color: var(--color-sienna);
}

#favs-filter-btn.favs-active .fav-icon {
    transform: scale(1.1);
}

/* Seen indicator on card */
.prompt-card.is-seen {
    opacity: 0.85;
}

.prompt-card.is-seen::after {
    content: '✓ Seen';
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    font-size: 0.65rem;
    background: var(--color-gold);
    color: var(--color-espresso);
    padding: 2px 8px;
    border-radius: 10px;
    opacity: 0.8;
}

/* Swipe hint - hidden by default, shown only once */
.swipe-hint {
    display: none;
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-neutral);
    opacity: 0.6;
    text-align: center;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Card animation */
.prompt-card.flip {
    animation: cardFlip 0.6s ease;
}

@keyframes cardFlip {
    0% { transform: rotateY(0) scale(1); }
    50% { transform: rotateY(90deg) scale(0.95); }
    100% { transform: rotateY(0) scale(1); }
}

/* ============================================
   List View
   ============================================ */
.list-view {
    position: fixed;
    inset: 0;
    background: var(--color-cream);
    z-index: 500;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.list-header {
    position: sticky;
    top: 0;
    background: var(--color-parchment);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--color-gold);
    z-index: 10;
}

.list-header h2 {
    font-family: var(--font-display);
    margin: 0;
    color: var(--color-mahogany);
}

.prompt-list {
    padding: var(--space-md);
}

.prompt-list-item {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: white;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-gold);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.prompt-list-item:hover {
    transform: translateX(4px);
    border-left-color: var(--color-sienna);
}

.prompt-list-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.prompt-list-id {
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    background: var(--color-sienna);
    color: var(--color-cream);
    border-radius: 4px;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    margin-top: 2px;
}

.prompt-list-item p {
    font-family: var(--font-display);
    font-size: 1rem;
    margin: 0 0 var(--space-sm) 0;
    color: var(--color-espresso);
}

.prompt-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.prompt-list-tag {
    font-size: 0.7rem;
    padding: 1px var(--space-sm);
    background: var(--color-parchment);
    color: var(--color-neutral);
    border-radius: 8px;
}

/* ============================================
   Footer - Compact
   ============================================ */
.footer {
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    background: var(--color-parchment);
    border-top: 1px solid var(--color-gold);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-info {
    font-size: 0.75rem;
    color: var(--color-neutral);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 380px) {
    .card-controls {
        gap: var(--space-sm);
    }
    
    .btn-large {
        padding: var(--space-sm) var(--space-lg);
    }
    
    .prompt-text {
        font-size: 1rem !important;
    }
}

@media (min-width: 768px) {
    .header {
        padding: var(--space-md) var(--space-lg);
    }
    
    .header h1 {
        font-size: 1.75rem;
    }
    
    .logo-icon {
        font-size: 1.75rem;
    }
    
    .filter-section {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .main {
        padding: var(--space-lg);
    }
    
    .card-container {
        max-width: 400px;
    }
    
    .prompt-card {
        max-height: 70vh;
    }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .tag:hover {
        transform: none;
    }
    
    .prompt-card:hover {
        transform: none;
    }
    
    .prompt-list-item:hover {
        transform: 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;
    }
    
    .logo-icon {
        animation: none;
    }
    
    .swipe-hint {
        animation: none;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .filter-section,
    .card-controls,
    .footer,
    .install-prompt,
    .swipe-hint {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .main {
        padding: 0;
    }
    
    .prompt-card {
        box-shadow: none;
        border: 2px solid #333;
    }
}