/**
 * AdQuecto Components CSS
 * 再利用可能なUIコンポーネント
 */

/* ===========================================
   Container
=========================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-narrow {
    max-width: var(--content-max-width);
}

/* ===========================================
   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-family-ja);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left var(--duration-slow) var(--ease-out);
}

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

/* Primary Button - Gold */
.btn-primary {
    background: var(--color-gold-gradient);
    color: var(--color-deep-blue);
    border-color: var(--color-accent-gold);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #D4AF37 0%, #F0E68C 50%, #D4AF37 100%);
    box-shadow: var(--shadow-gold-hover);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-gold);
}

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

.btn-secondary:hover {
    background: var(--color-primary-blue);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-blue);
}

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

.btn-ghost:hover {
    background: var(--color-bg-secondary);
    color: var(--color-primary-blue);
}

/* White Button */
.btn-white {
    background: var(--color-bg-primary);
    color: var(--color-primary-blue);
    border-color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background: var(--color-bg-secondary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-md);
    border-radius: var(--radius-xl);
}

/* Full Width Button */
.btn-full {
    width: 100%;
}

/* Button with Icon */
.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform var(--duration-fast) var(--ease-out);
}

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

.btn:hover svg {
    transform: translateX(3px);
}

/* Icon Animation */
.hover-icon-shift:hover svg {
    animation: iconShift 0.4s var(--ease-spring);
}

@keyframes iconShift {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

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

.card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

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

.card-body {
    padding: var(--space-6);
}

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

.card-bordered {
    border: 1px solid var(--color-border);
    box-shadow: none;
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-4px);
}

/* Glass Card */
.card-glass {
    background: var(--color-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ===========================================
   Section Headers
=========================================== */

.section {
    padding: var(--space-16) 0;
    position: relative;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-20) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-20) 0;
    }
    
    .section-sm {
        padding: var(--space-16) 0;
    }
    
    .section-lg {
        padding: var(--space-24) 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
    .section-header {
        margin-bottom: var(--space-12);
    }
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1-5) var(--space-4);
    background: var(--color-bg-light-blue);
    color: var(--color-primary-blue);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wider);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-deep-blue);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

.section-title-white {
    color: var(--color-text-inverse);
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: var(--font-size-md);
    }
}

.section-subtitle-light {
    color: rgba(255, 255, 255, 0.8);
}

/* Section Backgrounds */
.section-bg-white {
    background-color: var(--color-bg-primary);
}

.section-bg-gray {
    background-color: var(--color-bg-secondary);
}

.section-bg-light-blue {
    background-color: var(--color-bg-light-blue);
}

.section-bg-dark {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    color: var(--color-text-inverse);
}

/* ===========================================
   Badges
=========================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-gold {
    background: var(--color-gold-gradient);
    color: var(--color-deep-blue);
}

.badge-blue {
    background: var(--color-primary-blue);
    color: var(--color-text-inverse);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

/* CTA Badge */
.cta-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-0-5) var(--space-2);
    background: var(--color-deep-blue);
    color: var(--color-light-gold);
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--radius-sm);
    margin-right: var(--space-2);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

/* ===========================================
   Icons
=========================================== */

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 32px; height: 32px; }
.icon-2xl { width: 48px; height: 48px; }

.icon-circle {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-bg-light-blue);
    color: var(--color-primary-blue);
}

.icon-circle-gold {
    background: linear-gradient(135deg, rgba(201, 162, 39, 0.15) 0%, rgba(232, 212, 138, 0.15) 100%);
    color: var(--color-accent-gold);
}

/* ===========================================
   Dividers
=========================================== */

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

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--color-border);
}

.divider-gold {
    background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

/* ===========================================
   Loading States
=========================================== */

.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary-blue);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===========================================
   Skeleton Loading
=========================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-secondary) 25%,
        var(--color-bg-tertiary) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* ===========================================
   Tooltips
=========================================== */

.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: var(--space-2) var(--space-3);
    background: var(--color-deep-blue);
    color: var(--color-text-inverse);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-fast) var(--ease-out);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ===========================================
   Trust Signals
=========================================== */

.trust-signals {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
    margin-top: var(--space-6);
}

.trust-signal {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.trust-signal svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
}

/* ===========================================
   Progress Bar
=========================================== */

.progress {
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-gold-gradient);
    border-radius: var(--radius-full);
    transition: width var(--duration-slow) var(--ease-out);
}

/* ===========================================
   Avatar
=========================================== */

.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-bg-light-blue);
    color: var(--color-primary-blue);
    font-weight: var(--font-weight-semibold);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-sm); }
.avatar-lg { width: 64px; height: 64px; font-size: var(--font-size-lg); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--font-size-xl); }

/* ===========================================
   Form Styles
=========================================== */

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

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

.form-label-required::after {
    content: '*';
    color: var(--color-error);
    margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3-5) var(--space-4);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-primary);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-blue);
    box-shadow: 0 0 0 4px rgba(30, 75, 142, 0.1);
}

.form-input.is-valid {
    border-color: var(--color-success);
}

.form-input.is-invalid {
    border-color: var(--color-error);
}

.form-helper {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1-5);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--space-1-5);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-check-input {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: var(--space-0-5);
    accent-color: var(--color-primary-blue);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}