/* ============================================
   FACYO Components
   ============================================ */

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface);
}

/* Kakao Button */
.btn-kakao {
    background: #FEE500;
    color: #000000;
    font-weight: 600;
}

.btn-kakao:hover:not(:disabled) {
    background: #F5DC00;
}

.btn-kakao svg {
    width: 20px;
    height: 20px;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--color-surface-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Glass Card */
.card-glass {
    background: var(--gradient-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-glass);
}

/* Feature Card */
.card-feature {
    text-align: center;
    padding: var(--space-8);
}

.card-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-size: var(--text-2xl);
}

.card-feature-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.card-feature-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Price Card */
.card-price {
    text-align: center;
    padding: var(--space-10);
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
    border: 2px solid var(--color-primary);
}

.card-price-amount {
    font-family: var(--font-english);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.card-price-amount span {
    font-size: var(--text-lg);
    font-weight: 400;
}

.card-price-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.card-price-features li {
    padding: var(--space-3) 0;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.card-price-features li:last-child {
    border-bottom: none;
}

.card-price-features li::before {
    content: "✓";
    color: var(--color-accent);
    font-weight: 600;
    margin-right: var(--space-2);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

/* ============================================
   Upload Zone
   ============================================ */

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-2xl);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-zone:hover {
    border-color: var(--color-primary-dark);
    background: var(--color-primary-light);
}

.upload-zone.dragging {
    border-color: var(--color-accent);
    background: rgba(79, 70, 229, 0.05);
}

.upload-zone-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-3xl);
}

.upload-zone-text {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.upload-zone-hint {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ============================================
   Progress / Loading
   ============================================ */

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-primary-light);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.progress-step {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-tertiary);
}

.progress-step.active {
    color: var(--color-accent);
}

.progress-step.completed {
    color: var(--color-text-secondary);
}

.progress-step-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    background: var(--color-border);
}

.progress-step.active .progress-step-indicator {
    background: var(--color-accent);
    color: white;
}

.progress-step.completed .progress-step-indicator {
    background: var(--color-primary);
}

/* ============================================
   Swiper / Carousel
   ============================================ */

.carousel {
    position: relative;
    overflow: hidden;
}

.carousel-inner {
    display: flex;
    transition: transform var(--transition-slow);
}

.carousel-item {
    min-width: 100%;
    padding: 0 var(--space-4);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-indicator.active {
    background: var(--color-accent);
    width: 24px;
    border-radius: var(--radius-full);
}

/* ============================================
   FAQ Accordion
   ============================================ */

.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.accordion-item {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-primary);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.accordion-header:hover {
    background: var(--color-primary-light);
}

.accordion-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.accordion-item.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.open .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding: 0 var(--space-5) var(--space-5);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
}

/* ============================================
   Badge
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-accent);
}

/* ============================================
   Divider
   ============================================ */

.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-8) 0;
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */

.page-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--space-6);
}

.page-header-back {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.page-header-back:hover {
    background: var(--color-surface);
}

.page-header-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
}

.page-header-action {
    margin-left: auto;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (min-width: 768px) {
    .btn-lg {
        padding: var(--space-5) var(--space-10);
    }

    .card-feature {
        padding: var(--space-10);
    }

    .card-feature-icon {
        width: 80px;
        height: 80px;
        font-size: var(--text-3xl);
    }
}