/* ==========================================================================
   IKEDU STORES — BASE & LAYOUT STYLESHEET
   ========================================================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark-charcoal);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol { list-style: none; }

/* Layout Containers */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-title-wrap {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
}

.section-subtitle {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary-red);
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-size: 2.125rem;
    color: var(--dark-charcoal);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Luxury Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-smooth);
    text-align: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.btn-primary:hover {
    background-color: var(--deep-red);
    border-color: var(--deep-red);
    box-shadow: var(--shadow-red);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--dark-charcoal);
    border-color: var(--dark-charcoal);
}

.btn-outline:hover {
    background-color: var(--dark-charcoal);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--dark-charcoal);
}

.btn-dark {
    background-color: var(--dark-charcoal);
    color: var(--white);
    border-color: var(--dark-charcoal);
}

.btn-dark:hover {
    background-color: var(--black);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

.btn-block {
    width: 100%;
}

/* Luxury Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px 24px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.product-image-wrap {
    position: relative;
    padding-top: 120%; /* 4:5 luxury portrait ratio */
    overflow: hidden;
    background-color: var(--light-grey);
}

.product-image-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-image-wrap img {
    transform: scale(1.05);
}

.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 2;
}

.badge {
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.badge-sale {
    background: var(--primary-red);
    color: var(--white);
}

.badge-new {
    background: var(--dark-charcoal);
    color: var(--white);
}

.badge-bestseller {
    background: #D97706;
    color: var(--white);
}

.product-actions-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    display: flex;
    gap: 8px;
    transform: translateY(100%);
    opacity: 0;
    transition: all var(--transition-smooth);
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
    z-index: 3;
}

.product-card:hover .product-actions-overlay {
    transform: translateY(0);
    opacity: 1;
}

.product-actions-overlay .btn {
    flex: 1;
    padding: 10px;
    font-size: 0.725rem;
}

.product-info {
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.quick-buy {
    margin-top: 10px;
}

.quick-buy-trigger {
    width: 100%;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 2px;
    border: 0;
    border-top: 1px solid var(--border-light);
    background: transparent;
    color: var(--dark-charcoal);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.quick-buy-trigger:hover,
.quick-buy.is-open .quick-buy-trigger {
    color: var(--primary-red);
    border-top-color: rgba(200, 16, 46, 0.35);
}

.quick-buy-trigger-copy {
    display: flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
}

.quick-buy-trigger-title {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.quick-buy-trigger-note {
    overflow: hidden;
    color: var(--text-muted);
    font-size: 0.67rem;
    font-weight: 400;
    letter-spacing: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quick-buy-trigger-icon {
    flex: 0 0 auto;
    width: 23px;
    height: 23px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border-grey);
    border-radius: 50%;
    font-size: 0.95rem;
    line-height: 1;
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.quick-buy.is-open .quick-buy-trigger-icon {
    transform: rotate(45deg);
    background: var(--dark-charcoal);
    border-color: var(--dark-charcoal);
    color: #fff;
}

.quick-buy-panel[hidden] {
    display: none !important;
}

.quick-buy-panel {
    margin-top: 4px;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: #fbfaf8;
    animation: quickBuyReveal 0.2s ease-out;
}

@keyframes quickBuyReveal {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.quick-buy-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.quick-buy-field {
    min-width: 0;
}

.quick-buy-label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.59rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.quick-buy-select {
    height: 34px;
    min-width: 0;
    padding: 0 8px;
    font-size: 0.72rem;
}

.quick-buy-actions {
    display: flex;
    align-items: stretch;
    gap: 8px;
    margin-top: 10px;
}

.quick-quantity {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    height: 36px;
    border: 1px solid var(--border-grey);
    border-radius: var(--radius-sm);
    background: #fff;
}

.quick-quantity button {
    width: 28px;
    height: 100%;
    border: 0;
    background: transparent;
    color: var(--dark-charcoal);
    font-size: 1rem;
    cursor: pointer;
}

.quick-quantity input {
    width: 30px;
    height: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    text-align: center;
    font: inherit;
    font-size: 0.75rem;
    appearance: textfield;
    -moz-appearance: textfield;
}

.quick-quantity input::-webkit-inner-spin-button,
.quick-quantity input::-webkit-outer-spin-button {
    margin: 0;
    -webkit-appearance: none;
}

.quick-add-button {
    flex: 1 1 auto;
    min-width: 0;
    padding: 8px 10px;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
}

.quick-add-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}

.quick-buy-hint {
    min-height: 0.95em;
    margin-top: 7px;
    margin-bottom: 0;
    color: var(--text-muted);
    font-size: 0.66rem;
    line-height: 1.35;
}

.product-brand {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.product-title {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--dark-charcoal);
    margin-bottom: 8px;
    line-height: 1.4;
    text-transform: none;
    letter-spacing: normal;
}

.product-title a:hover {
    color: var(--primary-red);
}

.product-price-row {
    margin-top: auto;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.price-selling {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--dark-charcoal);
}

.price-original {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.discount-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-red);
}

/* Form Controls */
.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    font-size: 0.78125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark-charcoal);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background-color: var(--white);
    border: 1px solid var(--border-grey);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.08);
}

textarea.form-control {
    height: auto;
    padding: 12px 16px;
    min-height: 100px;
    resize: vertical;
}

/* Breadcrumbs */
.breadcrumb {
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary-red);
}

.breadcrumb-separator {
    color: var(--border-grey);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 56px;
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-charcoal);
    border: 1px solid var(--border-grey);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    border-color: var(--dark-charcoal);
}

.pagination-item.active {
    background: var(--dark-charcoal);
    color: var(--white);
    border-color: var(--dark-charcoal);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
}

.toast {
    padding: 16px 20px;
    background: var(--white);
    color: var(--text-primary);
    border-left: 4px solid var(--primary-red);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideInRight 0.3s forwards;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}