/*
 * Purrshido Theme — theme.css
 *
 * All values come from CSS custom properties set by the Brand Designer.
 * Never hardcode colours, fonts or spacing here — always use var(--...).
 *
 * Structure:
 *   1. CSS Variables (fallback defaults — overridden by Brand Designer via :root{} in <head>)
 *   2. Reset / Base
 *   3. Typography
 *   4. Layout
 *   5. Header
 *   6. Navigation (placeholder — Phase 2)
 *   7. Footer
 *   8. Buttons
 *   9. Forms
 *  10. WooCommerce Base Overrides
 *  11. Product Card (placeholder — Phase 2/3)
 *  12. Utilities
 */


/* ── 1. CSS Variable Fallback Defaults ──────────────────────────────────────
   These are the fallback values. The Brand Designer outputs the real values
   as an inline <style> block in <head> with higher specificity.
   ────────────────────────────────────────────────────────────────────────── */

:root {
    /* Colours */
    --color-primary:        #C8102E;
    --color-secondary:      #8B0000;
    --color-background:     #FAFAF8;
    --color-surface:        #F2F0EB;
    --color-text:           #111111;
    --color-text-muted:     #6B6B6B;
    --color-border:         #DEDBD5;
    --color-accent:         #D4AF37;

    /* Typography */
    --font-primary:         'Noto Sans JP', 'Inter', sans-serif;
    --font-secondary:       'Noto Sans JP', 'Inter', sans-serif;
    --font-size-base:       16px;
    --font-size-sm:         14px;
    --font-size-lg:         20px;
    --font-size-xl:         32px;
    --font-weight-normal:   400;
    --font-weight-bold:     700;
    --line-height-base:     1.6;

    /* Buttons */
    --btn-bg:               #C8102E;
    --btn-color:            #FFFFFF;
    --btn-bg-hover:         #8B0000;
    --btn-color-hover:      #FFFFFF;
    --btn-radius:           2px;
    --btn-padding:          12px 24px;
    --btn-font-weight:      600;
    --btn-border:           none;

    /* Shop */
    --color-sale:           #C8102E;
    --color-badge-new:      #1A5276;
    --color-badge-bundle:   #D4AF37;
    --color-rating:         #F0A500;
    --color-stock-low:      #E67E22;
    --product-card-radius:  4px;
    --product-card-shadow:  0 1px 4px rgba(0, 0, 0, 0.10);

    /* Layout */
    --container-max:        1280px;
    --container-padding:    24px;
    --header-height:        72px;
    --spacing-xs:           4px;
    --spacing-sm:           8px;
    --spacing-md:           16px;
    --spacing-lg:           32px;
    --spacing-xl:           64px;

    /* Transitions */
    --transition-fast:      150ms ease;
    --transition-base:      250ms ease;
    --transition-slow:      400ms ease;
}


/* ── 2. Reset / Base ─────────────────────────────────────────────────────── */

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-secondary);
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

p {
    margin: 0 0 var(--spacing-md);
}

hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}


/* ── 3. Typography ───────────────────────────────────────────────────────── */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: 1.25;
    margin: 0 0 var(--spacing-md);
    color: var(--color-text);
}

h1 { font-size: var(--font-size-xl); }
h2 { font-size: calc(var(--font-size-xl) * 0.8); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-base); }

small, .text-sm {
    font-size: var(--font-size-sm);
}

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


/* ── 4. Layout ───────────────────────────────────────────────────────────── */

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

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding-block: var(--spacing-lg);
}


/* ── 5. Header ───────────────────────────────────────────────────────────── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.site-header .site-logo { flex-shrink: 0; }

.site-header .site-logo img {
    height: auto;
    max-height: 48px;
    width: auto;
}

/* ── Header icon buttons ──────────────────────────────────────────────────── */

.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.header-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--color-text);
    cursor: pointer;
    border-radius: 2px;
    text-decoration: none;
    transition: color 150ms ease, background 150ms ease;
    flex-shrink: 0;
}

.header-icon-btn:hover {
    color: var(--color-primary);
    background: var(--color-surface);
}

/* Badge — counts on wishlist + cart */
.header-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 3px;
    background: var(--color-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 16px;
    border-radius: 999px;
    text-align: center;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 200ms ease, transform 200ms ease;
}

.header-badge.has-items {
    opacity: 1;
    transform: scale(1);
}

/* Wishlist badge pulse when item added */
@keyframes badge-pop {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.4); }
    100% { transform: scale(1); }
}
.header-badge.pop {
    animation: badge-pop 300ms cubic-bezier(.4,0,.2,1);
}

/* ── Search overlay ──────────────────────────────────────────────────────── */

.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(10,10,10,.85);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

.search-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}

.search-overlay-inner {
    width: min(640px, 90vw);
    position: relative;
}

.search-overlay-input {
    width: 100%;
    padding: 18px 56px 18px 20px;
    font-size: 24px;
    font-family: var(--font-primary);
    font-weight: 300;
    background: var(--color-background);
    border: none;
    border-bottom: 2px solid var(--color-primary);
    outline: none;
    color: var(--color-text);
    letter-spacing: -.01em;
}

.search-overlay-input::placeholder {
    color: var(--color-text-muted);
    font-weight: 300;
}

.search-overlay-submit {
    position: absolute;
    right: 56px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
}

.search-overlay-close {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    transition: color 150ms ease;
}

.search-overlay-close:hover { color: var(--color-text); }


/* ── 6. Navigation ───────────────────────────────────────────────────────── */

.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Burger hidden on desktop, primary-nav hidden on mobile */
.header-actions .mobile-menu-toggle { display: none; }

@media (max-width: 1024px) {
    .primary-nav { display: none; }
    .header-actions .mobile-menu-toggle { display: flex; align-items: center; justify-content: center; }
}


/* ── 7. Footer ───────────────────────────────────────────────────────────── */

.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding-block: var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}


/* ── 8. Buttons ──────────────────────────────────────────────────────────── */

.btn,
button.btn,
a.btn,
input[type="submit"].btn,
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button,
.woocommerce #respond input#submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--btn-padding);
    background-color: var(--btn-bg);
    color: var(--btn-color);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--btn-font-weight);
    line-height: 1.25;
    border: var(--btn-border);
    border-radius: var(--btn-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.btn:hover,
.woocommerce a.button:hover,
.woocommerce button.button:hover,
.woocommerce input.button:hover,
.woocommerce #respond input#submit:hover {
    background-color: var(--btn-bg-hover);
    color: var(--btn-color-hover);
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    background-color: var(--color-surface);
    color: var(--color-text);
}


/* ── 9. Forms ────────────────────────────────────────────────────────────── */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}


/* ── 10. WooCommerce Base Overrides ──────────────────────────────────────── */

/* Suppress WC default colours that leak through */
.woocommerce-page .woocommerce,
.woocommerce {
    color: var(--color-text);
}

/* Sale badge */
.woocommerce span.onsale {
    background-color: var(--color-sale);
    border-radius: var(--btn-radius);
    min-height: unset;
    min-width: unset;
    padding: 4px 10px;
    line-height: 1.4;
    font-size: var(--font-size-sm);
    font-weight: 700;
}

/* Star ratings */
.woocommerce .star-rating span::before,
.woocommerce .star-rating::before {
    color: var(--color-rating);
}

/* Notices */
.woocommerce-message,
.woocommerce-info {
    border-top-color: var(--color-primary);
}

.woocommerce-message::before {
    color: var(--color-primary);
}

/* Price */
.woocommerce .price ins {
    color: var(--color-sale);
    font-weight: 700;
}

/* Breadcrumb */
.woocommerce-breadcrumb {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

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

.woocommerce-breadcrumb .breadcrumb-sep {
    margin-inline: var(--spacing-xs);
    color: var(--color-border);
}

/* Tables */
.woocommerce table.shop_table {
    border-color: var(--color-border);
}

.woocommerce table.shop_table th {
    background-color: var(--color-surface);
    color: var(--color-text);
}


/* ── 11. Product Card — placeholder ──────────────────────────────────────── */

/* Full product card styles built in Phase 2 */

.product-card {
    border-radius: var(--product-card-radius);
    box-shadow: var(--product-card-shadow);
    background-color: var(--color-background);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.product-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}


/* ── 12. Utilities ───────────────────────────────────────────────────────── */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-right  { text-align: right; }

.mt-0  { margin-top: 0; }
.mb-0  { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }


/* ── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
        --header-height: 60px;
    }

    h1 { font-size: calc(var(--font-size-xl) * 0.75); }
    h2 { font-size: var(--font-size-lg); }
}
