/*
 * Paripath — Reusable UI Components
 * Cards, Buttons, Badges, Inputs, Modals, Skeleton Loaders
 */

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--fs-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: white;
    box-shadow: 0 2px 8px var(--clr-primary-glow);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
    box-shadow: 0 4px 16px var(--clr-primary-glow);
    color: white;
    transform: translateY(-1px);
}

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

.btn-ghost {
    background: transparent;
    color: var(--clr-text-secondary);
    border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--clr-primary); background: rgba(255,107,53,0.1); }

.btn-sm { padding: var(--sp-2) var(--sp-4); font-size: var(--fs-xs); }
.btn-lg { padding: var(--sp-4) var(--sp-8); font-size: var(--fs-base); }
.btn-icon { display: flex; align-items: center; }
.btn-block { width: 100%; }

/* ===== CARDS ===== */
.card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover {
    border-color: var(--clr-border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
    opacity: 0;
    transition: var(--transition);
}
.card:hover::before { opacity: 1; }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-4);
}
.card-title {
    font-size: var(--fs-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.card-title-icon { font-size: 1.3em; }
.card-body { color: var(--clr-text-secondary); line-height: var(--lh-loose); }
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--clr-border);
}
.card-meta {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

/* Card Grid */
.card-grid {
    display: grid;
    gap: var(--sp-6);
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* Section Card (for homepage) */
.section-card {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.section-card .card-title-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: 2px var(--sp-3);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    line-height: 1.6;
}
.badge-primary { background: rgba(255,107,53,0.15); color: var(--clr-primary); }
.badge-accent { background: rgba(0,78,137,0.15); color: var(--clr-accent-light); }
.badge-success { background: rgba(46,204,113,0.15); color: var(--clr-success); }
.badge-premium { background: linear-gradient(135deg, #FFD700, #FFA500); color: #1A1A2E; }

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: var(--sp-5); }
.form-label {
    display: block;
    margin-bottom: var(--sp-2);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-text);
}
.form-input,
.form-control,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--clr-bg-input);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    color: var(--clr-text);
    font-family: inherit;
    font-size: var(--fs-base);
    transition: var(--transition-fast);
}
.form-input:focus,
.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px var(--clr-primary-glow);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: var(--fs-xs); color: var(--clr-text-muted); margin-top: var(--sp-1); }
.form-error { font-size: var(--fs-xs); color: var(--clr-danger); margin-top: var(--sp-1); }

/* ===== TAGS ===== */
.tag-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--sp-1) var(--sp-3);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    color: var(--clr-text-secondary);
    transition: var(--transition-fast);
    text-decoration: none;
}
.tag:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: rgba(255,107,53,0.05);
}

/* ===== PAGINATION ===== */
.pagination { display: flex; justify-content: center; margin-top: var(--sp-8); }
.pagination ul { list-style: none; display: flex; gap: var(--sp-2); }
.page-link {
    display: flex; align-items: center; justify-content: center;
    min-width: 40px; height: 40px;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    color: var(--clr-text-secondary);
    font-size: var(--fs-sm);
    transition: var(--transition-fast);
    text-decoration: none;
}
.page-link:hover, .page-link.active {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: rgba(255,107,53,0.1);
}
.page-link.active { font-weight: 700; }
.page-dots { color: var(--clr-text-muted); padding: 0 var(--sp-2); }

/* ===== SKELETON LOADER ===== */
.skeleton {
    background: linear-gradient(90deg, var(--clr-bg-card) 25%, var(--clr-bg-card-hover) 50%, var(--clr-bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
.skeleton-text { height: 16px; margin-bottom: var(--sp-2); }
.skeleton-text:last-child { width: 60%; }
.skeleton-title { height: 24px; width: 70%; margin-bottom: var(--sp-4); }
.skeleton-card { height: 200px; border-radius: var(--radius-lg); }
.skeleton-avatar { width: 48px; height: 48px; border-radius: var(--radius-full); }

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== SECTION HEADER ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 2px solid var(--clr-border);
}
.section-title {
    font-size: var(--fs-xl);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.section-title-icon {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
}

/* ===== DATE NAVIGATOR ===== */
.date-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4);
    background: var(--clr-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-border);
    margin-bottom: var(--sp-6);
}
.date-nav-btn {
    background: none; border: 1px solid var(--clr-border);
    color: var(--clr-text-secondary);
    width: 36px; height: 36px;
    border-radius: var(--radius-full);
    cursor: pointer; font-size: var(--fs-lg);
    transition: var(--transition-fast);
    display: flex; align-items: center; justify-content: center;
}
.date-nav-btn:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.date-nav-current {
    flex: 1; text-align: center;
    font-size: var(--fs-md); font-weight: 600;
}
.date-nav-today {
    font-size: var(--fs-xs);
    color: var(--clr-primary);
    cursor: pointer;
    padding: var(--sp-1) var(--sp-3);
    border: 1px solid var(--clr-primary);
    border-radius: var(--radius-full);
    background: transparent;
    transition: var(--transition-fast);
}
.date-nav-today:hover { background: var(--clr-primary); color: white; }

/* ===== HERO SECTION (Homepage) ===== */
.hero {
    text-align: center;
    padding: var(--sp-6) 0;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--clr-primary-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}
.hero-title {
    font-size: clamp(var(--fs-2xl), 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--sp-4);
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light), var(--clr-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: var(--fs-lg);
    color: var(--clr-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--sp-4);
    line-height: var(--lh-loose);
}
.hero-date {
    font-size: var(--fs-md);
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-4);
}
.hero-cta {
    display: flex;
    gap: var(--sp-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== CONTENT DISPLAY ===== */
.content-block {
    font-size: var(--fs-md);
    line-height: var(--lh-loose);
    color: var(--clr-text);
}
.content-block p { margin-bottom: var(--sp-4); }
.content-block-sanskrit {
    font-size: var(--fs-xl);
    text-align: center;
    padding: var(--sp-8);
    color: var(--clr-primary);
    font-style: italic;
    border-left: 3px solid var(--clr-primary);
    background: rgba(255,107,53,0.03);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.content-block-meaning {
    padding: var(--sp-4) var(--sp-6);
    background: var(--clr-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    margin-top: var(--sp-4);
}
.content-block-meaning h4 { color: var(--clr-primary); margin-bottom: var(--sp-2); }

/* ===== SHARE BUTTONS ===== */
.share-bar {
    display: flex;
    gap: var(--sp-2);
    align-items: center;
}
.share-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border);
    background: transparent;
    color: var(--clr-text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--fs-sm);
}
.share-btn:hover { border-color: var(--clr-primary); color: var(--clr-primary); transform: scale(1.1); }
.bookmark-toggle-btn.active {
    background: var(--clr-primary-glow) !important;
    border-color: var(--clr-primary) !important;
    color: var(--clr-primary) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 575px) {
    .card { padding: var(--sp-4); }
    .card-grid { grid-template-columns: 1fr; }
    .hero { padding: var(--sp-4) 0; }
    .date-nav { flex-wrap: wrap; justify-content: center; }
}