/* ==========================================================================
   NGOC.Stories — Giao diện "Tươi vui pastel"
   Nền trắng ngà · mint / cam đào / vàng nhạt · bo tròn · tiêu đề serif
   ========================================================================== */
:root {
    --cream: #fffdf7;
    --surface: #ffffff;
    --ink: #3f3a34;
    --muted: #8b8378;
    --border: #efe7d8;

    --mint: #3fae91;
    --mint-soft: #d9f2ea;
    --peach: #f4845f;
    --peach-soft: #ffe3d6;
    --sun: #ffd166;
    --sun-soft: #fff3d1;
    --sky: #3d84a8;

    --primary: var(--mint);
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 6px 24px rgba(63, 58, 52, .08);
    --shadow-hover: 0 12px 32px rgba(63, 58, 52, .16);

    --font-body: "Be Vietnam Pro", system-ui, "Segoe UI", Roboto, Arial, sans-serif;
    --font-head: Georgia, "Noto Serif", "Times New Roman", serif;
}

body {
    background: var(--cream);
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.65;
}

h1, h2, h3, h4, .font-head {
    font-family: var(--font-head);
    font-weight: 700;
    letter-spacing: .2px;
}

a { color: var(--mint); text-decoration: none; }
a:hover { color: var(--peach); }

.btn-primary {
    --bs-btn-bg: var(--mint);
    --bs-btn-border-color: var(--mint);
    --bs-btn-hover-bg: #359680;
    --bs-btn-hover-border-color: #359680;
    --bs-btn-active-bg: #2f8672;
    border-radius: 999px;
    font-weight: 600;
}

.btn-accent {
    --bs-btn-color: #fff;
    background: var(--peach);
    color: #fff;
    border-radius: 999px;
    font-weight: 600;
}
.btn-accent:hover { background: #e0704b; color: #fff; }

.btn-outline-primary {
    --bs-btn-color: var(--mint);
    --bs-btn-border-color: var(--mint);
    --bs-btn-hover-bg: var(--mint);
    --bs-btn-hover-border-color: var(--mint);
    border-radius: 999px;
    font-weight: 600;
}

/* --- Header --- */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1030;
}
.site-brand {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}
.site-brand .brand-badge {
    background: var(--sun);
    color: #7a5a12;
    width: 38px; height: 38px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 1.2rem;
}
.search-box .form-control { border-radius: 999px 0 0 999px; border-color: var(--border); }
.search-box .btn { border-radius: 0 999px 999px 0; }

/* --- Shelves (home) --- */
.shelf { margin-bottom: 2.5rem; }
.shelf-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem;
}
.shelf-title { display: inline-flex; align-items: center; gap: .5rem; margin: 0; font-size: 1.5rem; }
.shelf-title .emoji { font-size: 1.6rem; }
.shelf-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(160px, 1fr);
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: .75rem;
    scroll-snap-type: x mandatory;
}
.shelf-track::-webkit-scrollbar { height: 8px; }
.shelf-track::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }

/* --- Story card --- */
.story-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .15s ease, box-shadow .15s ease;
    scroll-snap-align: start;
    display: flex; flex-direction: column;
    height: 100%;
}
.story-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.story-cover {
    aspect-ratio: 3 / 4;
    background: linear-gradient(135deg, var(--mint-soft), var(--sun-soft));
    display: grid; place-items: center;
    font-family: var(--font-head);
    color: #5f574c;
    font-weight: 700;
    text-align: center;
    padding: .75rem;
    object-fit: cover;
    width: 100%;
    line-height: 1.3;
}
/* Varied pastel covers for stories without an uploaded image */
.cover-g0 { background: linear-gradient(135deg, #d9f2ea, #fff3d1); }
.cover-g1 { background: linear-gradient(135deg, #ffe3d6, #ffd6e8); }
.cover-g2 { background: linear-gradient(135deg, #e0f0ff, #d9f2ea); }
.cover-g3 { background: linear-gradient(135deg, #fff3d1, #ffe3d6); }
.cover-g4 { background: linear-gradient(135deg, #eee2ff, #e0f0ff); }
.cover-g5 { background: linear-gradient(135deg, #d9f2ea, #e0f0ff); }
.story-card .card-body { padding: .75rem .85rem 1rem; }
.story-card .card-title { font-size: 1rem; margin: 0 0 .35rem; color: var(--ink); }
.badge-status {
    font-weight: 600; border-radius: 999px; padding: .25em .7em; font-size: .72rem;
}
.badge-ongoing { background: var(--sun-soft); color: #8a6d10; }
.badge-completed { background: var(--mint-soft); color: #276c5b; }
.badge-members { background: var(--peach-soft); color: #a5462a; }

/* --- Story grid (category / search) --- */
.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}
.filter-bar {
    display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: .75rem 1rem; margin-bottom: 1.25rem;
}
.filter-bar .form-select { width: auto; }
.pagination-ngoc { display: flex; gap: .35rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }
.pagination-ngoc a, .pagination-ngoc span {
    min-width: 40px; text-align: center; padding: .4rem .6rem;
    border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
}
.pagination-ngoc .active { background: var(--mint); color: #fff; border-color: var(--mint); }

/* --- Chips / filters --- */
.chip {
    display: inline-block;
    background: var(--sun-soft);
    color: #8a6d10;
    border-radius: 999px;
    padding: .2em .75em;
    font-size: .8rem;
    font-weight: 600;
    margin: .15rem .15rem 0 0;
}

/* --- Footer --- */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--muted);
    padding: 2rem 0;
    margin-top: 3rem;
}

/* --- Setup / auth cards --- */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}
.form-control, .form-select { border-radius: var(--radius-sm); border-color: var(--border); }
.form-control:focus, .form-select:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 .2rem rgba(63, 174, 145, .18);
}