/* ===================================================
   TUBOFLOW — REUSABLE COMPONENTS
   =================================================== */

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    line-height: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--text-inverse);
    box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.5);
    color: var(--text-inverse);
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-2px);
    color: var(--color-primary);
}

/* Accent Button */
.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), #FF6B9D);
    color: #fff;
    box-shadow: var(--shadow-glow-pink);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-accent-rgb), 0.5);
    color: #fff;
}

/* Success / CTA Button */
.btn-success {
    background: linear-gradient(135deg, var(--color-success), #00CC6A);
    color: var(--text-inverse);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-success-rgb), 0.5);
}

/* Small Button */
.btn-sm {
    padding: 8px 18px;
    font-size: var(--text-xs);
}

/* Large Button */
.btn-lg {
    padding: 16px 36px;
    font-size: var(--text-base);
}

/* Icon inside button */
.btn svg,
.btn .btn-icon {
    width: 18px;
    height: 18px;
}

/* ===================================================
   CARDS
   =================================================== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card__image img {
    transform: scale(1.05);
}

.card__body {
    padding: var(--space-lg);
}

.card__title {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.card__excerpt {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Glass Card Variant */
.card-glass {
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(var(--color-primary-rgb), 0.1);
}

.card-glass:hover {
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: var(--shadow-glow-cyan);
}

/* ===================================================
   BADGES
   =================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    line-height: 1;
}

.badge-primary {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.badge-sale {
    background: rgba(var(--color-accent-rgb), 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(var(--color-accent-rgb), 0.3);
}

.badge-new {
    background: rgba(var(--color-success-rgb), 0.15);
    color: var(--color-success);
    border: 1px solid rgba(var(--color-success-rgb), 0.3);
}

.badge-instant {
    background: rgba(var(--color-warning-rgb), 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(var(--color-warning-rgb), 0.3);
}

/* ===================================================
   PRICE DISPLAY
   =================================================== */
.price {
    font-family: var(--font-mono);
    font-weight: 600;
}

.price--current {
    font-size: var(--text-2xl);
    color: var(--color-success);
}

.price--original {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-decoration: line-through;
    margin-right: var(--space-sm);
}

.price--discount {
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: 700;
}

/* ===================================================
   FORM INPUTS
   =================================================== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ===================================================
   SEARCH BAR
   =================================================== */
.search-bar {
    position: relative;
    max-width: 420px;
}

.search-bar__input {
    width: 100%;
    padding: 12px 20px 12px 48px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.search-bar__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-cyan);
}

.search-bar__icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 20px;
    height: 20px;
}

/* ===================================================
   DIVIDERS & DECORATORS
   =================================================== */
.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-default), transparent);
    margin: var(--space-xl) 0;
}

.divider-glow {
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0.3;
}

.neon-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    margin: var(--space-md) auto;
}

/* ===================================================
   LOADING / SKELETON
   =================================================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--border-default) 50%, var(--bg-elevated) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-pulse {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ===================================================
   TOOLTIP
   =================================================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 6px 12px;
    font-size: var(--text-xs);
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip, 50);
}

[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===================================================
   SCROLL ANIMATIONS
   =================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delay utility */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

.stagger-6 {
    transition-delay: 0.6s;
}