/* ============================================================
   Minh Studio Portfolio — Stylesheet chính
   Bảng màu & typography phục dựng theo bản gốc (levunhatminhportfolio.com)
   ============================================================ */

:root {
    /* Light theme */
    --bg: #fafaf9;
    --bg-alt: #f4f4f0;
    --fg: #18181b;
    --fg-soft: #44403c;
    --accent: #7A4A4A;      /* nâu đỏ đất */
    --accent-strong: #a80808; /* đỏ đậm, dùng cho Rebellion of Punks */
    --border: rgba(0,0,0,0.12);
    --surface: #e8e2d8;
}

html.dark {
    --bg: #0d0b09;
    --bg-alt: #18181b;
    --fg: #e7e2dc;
    --fg-soft: #b9c5c9;
    --accent: #b9c5c9;
    --accent-strong: #a80808;
    --border: rgba(255,255,255,0.12);
    --surface: #1a1918;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: 'Inter', -apple-system, sans-serif;
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color .6s ease, color .6s ease;
}

.font-display, .font-serif {
    font-family: 'Cormorant Garamond', 'Georgia', serif;
}

.font-mono {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
}

.font-sans {
    font-family: 'Alata', 'Inter', sans-serif;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Layout helpers ---------- */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.grid-12 {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .grid-12 { grid-template-columns: repeat(4, 1fr); gap: 16px; }
}

.uppercase-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    opacity: .55;
    border-bottom: 1px solid currentColor;
    padding-bottom: 8px;
    display: inline-block;
    margin-bottom: 24px;
}

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-mark {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-weight: 600;
    font-size: 22px;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    align-items: center;
    flex-wrap: nowrap;
}

@media (min-width: 480px) { .nav-links { gap: 16px; font-size: 10px; letter-spacing: 0.15em; } }
@media (min-width: 768px) { .nav-links { gap: 40px; font-size: 10px; letter-spacing: 0.2em; } }

.nav-links a {
    opacity: .7;
    transition: opacity .3s;
    white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { opacity: 1; border-bottom: 1px solid currentColor; }

.nav-wrap {
    flex-wrap: wrap;
    gap: 8px;
}

.theme-toggle, .menu-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 6px 10px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 80px 20px;
    border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    opacity: .6;
    margin-bottom: 24px;
}

.hero-title {
    font-family: 'Alata', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(48px, 12vw, 160px);
    line-height: 0.85;
    letter-spacing: -0.03em;
    margin: 0;
}

.hero-sub {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: clamp(20px, 3vw, 34px);
    margin-top: 28px;
    max-width: 700px;
    color: var(--fg-soft);
}

.hero-cta {
    margin-top: 48px;
    display: inline-block;
    border: 1px solid var(--border);
    padding: 18px 40px;
    font-family: 'Alata', sans-serif;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: rgba(122,74,74,0.05);
    transition: background .3s;
}
.hero-cta:hover { background: var(--accent); color: var(--bg); }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-title {
    font-family: 'Alata', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(32px, 6vw, 64px);
    line-height: 0.9;
    letter-spacing: -0.02em;
    margin: 0 0 48px;
}

/* ---------- Collection cards ---------- */
.carousel-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.collections-carousel {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    scrollbar-width: thin;
}
.collections-carousel::-webkit-scrollbar { height: 6px; }
.collections-carousel::-webkit-scrollbar-thumb { background: var(--border); }

.carousel-item {
    flex: 0 0 82%;
    scroll-snap-align: start;
}

/* Từ tablet/desktop trở lên: bỏ carousel, dùng lưới nhiều cột như bản gốc */
@media (min-width: 768px) {
    .carousel-nav { display: none; }
    .collections-carousel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
        overflow: visible;
        scroll-snap-type: none;
        padding-bottom: 0;
    }
    .carousel-item { flex-basis: auto; scroll-snap-align: none; }
}

.carousel-nav {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--fg);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .3s;
}
.carousel-nav:hover { background: var(--accent); color: var(--bg); }

.collection-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--surface);
    display: block;
}
.collection-card img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(0.6) contrast(1.1);
    transition: transform 1s ease, filter .6s ease;
}
.collection-card:hover img { transform: scale(1.04); filter: grayscale(0); }

.collection-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.75), transparent 55%);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 28px;
    color: #fff;
}
.collection-vol { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .3em; text-transform: uppercase; opacity: .8; margin-bottom: 8px; }
.collection-name { font-family: 'Alata', sans-serif; font-weight: 900; text-transform: uppercase; font-size: clamp(24px, 3vw, 40px); line-height: 0.95; }
.collection-sub { font-family: 'Cormorant Garamond', serif; font-style: italic; font-size: 16px; margin-top: 8px; opacity: .85; }

/* ---------- Collection detail page ---------- */
.collection-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--border);
    text-align: center;
}
.collection-hero .vol { font-family: 'JetBrains Mono', monospace; letter-spacing: .4em; font-size: 11px; text-transform: uppercase; opacity: .5; }
.collection-hero h1 { font-family: 'Alata', sans-serif; font-weight: 900; text-transform: uppercase; font-size: clamp(36px, 8vw, 96px); line-height: .85; margin: 16px 0; }
.collection-hero .statement { font-family: 'Cormorant Garamond', serif; font-style: italic; font-size: clamp(20px, 3vw, 32px); max-width: 800px; margin: 0 auto; color: var(--fg-soft); }

.looks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    margin-top: 64px;
}
@media (min-width: 768px) { .looks-grid { grid-template-columns: repeat(4, 1fr); } }

.look-item { position: relative; aspect-ratio: 3/4; background: var(--surface); overflow: hidden; }
.look-item img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.2) contrast(1.1); cursor: zoom-in; }
.look-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 10px; font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .15em; background: rgba(0,0,0,.55); color: #fff; }

/* ---------- About / Bio ---------- */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 0.9fr 1.4fr; } }
.about-portrait { aspect-ratio: 3/4; background: var(--surface); overflow: hidden; }
.about-portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.15); }
.about-text p { font-size: 18px; color: var(--fg-soft); max-width: 640px; }
.about-text .statement { font-family: 'Cormorant Garamond', serif; font-style: italic; font-size: 26px; color: var(--fg); margin: 24px 0; }

.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.pill { border: 1px solid var(--border); padding: 8px 16px; font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .15em; }

.timeline-item { border-left: 2px solid var(--accent); padding-left: 20px; margin-bottom: 28px; }
.timeline-item .period { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; opacity: .5; letter-spacing: .1em; }
.timeline-item h4 { margin: 6px 0 4px; font-family: 'Alata', sans-serif; font-size: 18px; text-transform: uppercase; }
.timeline-item p { margin: 0; font-size: 15px; color: var(--fg-soft); }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr; gap: 48px; }
@media (min-width: 900px) { .contact-wrap { grid-template-columns: 1fr 1fr; } }

.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .2em; opacity: .6; margin-bottom: 8px; }
.form-group input, .form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-bottom-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }

.btn {
    display: inline-block;
    border: 1px solid var(--fg);
    background: var(--fg);
    color: var(--bg);
    padding: 16px 36px;
    font-family: 'Alata', sans-serif;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .2em;
    cursor: pointer;
    transition: opacity .3s;
}
.btn:hover { opacity: .8; }
.btn-outline { background: transparent; color: var(--fg); }

.alert { padding: 16px 20px; margin-bottom: 24px; font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .05em; }
.alert-success { background: rgba(34,139,34,.1); border: 1px solid rgba(34,139,34,.4); }
.alert-error { background: rgba(168,8,8,.1); border: 1px solid rgba(168,8,8,.4); }

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .15em;
    opacity: .5;
}

/* ---------- Admin ---------- */
.admin-body { background: #f4f4f0; font-family: 'Inter', sans-serif; color: #18181b; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: #18181b; color: #fafaf9; padding: 24px 0; flex-shrink: 0; }
.admin-sidebar .logo { padding: 0 24px 24px; font-family: 'Cormorant Garamond', serif; font-style: italic; font-size: 22px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 12px; }
.admin-sidebar a { display: block; padding: 12px 24px; font-size: 13px; opacity: .75; }
.admin-sidebar a:hover, .admin-sidebar a.active { opacity: 1; background: rgba(255,255,255,.06); }
.admin-main { flex: 1; padding: 32px 40px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.admin-card { background: #fff; border: 1px solid #e5e5e5; padding: 24px; margin-bottom: 24px; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; }
.admin-table th, .admin-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid #eee; font-size: 14px; }
.admin-table th { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; opacity: .6; }
.admin-form label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .1em; opacity: .6; margin-bottom: 6px; margin-top: 16px; }
.admin-form input, .admin-form textarea, .admin-form select {
    width: 100%; padding: 10px 12px; border: 1px solid #ddd; font-size: 14px; font-family: inherit;
}
.admin-form textarea { min-height: 100px; }
.btn-admin { display: inline-block; background: #18181b; color: #fff; border: none; padding: 10px 22px; font-size: 13px; cursor: pointer; text-decoration: none; }
.btn-admin.danger { background: #a80808; }
.btn-admin.secondary { background: #6b6b6b; }
.login-box { max-width: 380px; margin: 120px auto; background: #fff; padding: 40px; border: 1px solid #e5e5e5; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.opacity-60 { opacity: .6; }
.hidden { display: none !important; }
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}