/* ===== Keyframes ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== Variables — Paper & Ink palette ===== */
:root {
    --primary: #92400e;
    --primary-light: #fef3c7;
    --primary-dark: #78350f;
    --accent: #0d9488;
    --accent-light: #ccfbf1;
    --success: #15803d;
    --warning: #a16207;
    --danger: #b91c1c;

    --gray-50:  #faf8f4;
    --gray-100: #f3ede4;
    --gray-200: #e6dbc9;
    --gray-300: #d4c4a8;
    --gray-400: #bfa882;
    --gray-500: #a89068;
    --gray-600: #8a7256;
    --gray-700: #6b5744;
    --gray-800: #4a3c30;
    --gray-900: #2c2118;

    --radius:    6px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(44,33,24,.05);
    --shadow:    0 2px 8px rgba(44,33,24,.06), 0 1px 2px rgba(44,33,24,.03);
    --shadow-md: 0 4px 12px rgba(44,33,24,.08), 0 2px 4px rgba(44,33,24,.04);
    --shadow-lg: 0 8px 24px rgba(44,33,24,.10), 0 4px 8px rgba(44,33,24,.05);

    --font-display: "Cormorant", "Noto Serif SC", Georgia, serif;
    --font-body:    "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html { scroll-behavior: smooth; }
::selection { background: var(--primary-light); color: var(--primary-dark); }

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

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    background-color: var(--gray-50);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(146,64,14,.03), transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(13,148,136,.02), transparent 50%);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

/* ===== Layout ===== */
.page-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .02em;
    white-space: nowrap;
}
.badge-success { background: #ecfdf5; color: #065f46; }
.badge-warning { background: #fffbeb; color: #78350f; }
.badge-gray    { background: var(--gray-100); color: var(--gray-600); }
.badge-danger  { background: #fef2f2; color: #7f1d1d; }

/* ===== Blockquote / Tips ===== */
.tip-block {
    background: var(--primary-light);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 14px 18px;
    margin: 16px 0;
    font-size: .9rem;
    color: var(--gray-700);
}
.tip-block p { margin: 4px 0; }
.tip-block ul { margin: 4px 0 4px 20px; }

/* ===== Misc ===== */
hr { border: none; border-top: 1px solid var(--gray-200); margin: 24px 0; }
em { color: var(--gray-500); }
strong { color: var(--gray-900); font-weight: 600; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); text-decoration: underline; }
ul, ol { margin: 8px 0 8px 24px; }
li { margin: 4px 0; }

/* ===== No-items placeholder ===== */
.no-items {
    text-align: center;
    padding: 32px;
    color: var(--gray-400);
    font-style: italic;
}

/* ===== Print ===== */
@media print {
    body { background: #fff; }
    .page-wrapper { max-width: 100%; padding: 0; }
    .side-nav { display: none; }
    .main-content { margin-left: 0; }
    .section-card, .day-details {
        box-shadow: none;
        break-inside: avoid;
        border: 1px solid #ddd;
    }
    .hero-card {
        box-shadow: none;
        border: 2px solid var(--primary);
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .mobile-nav-toggle, .nav-overlay { display: none !important; }
    * { animation: none !important; }
}

/* ===== Mobile Nav Toggle ===== */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius);
    background: var(--gray-800);
    color: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: background .2s;
}
.mobile-nav-toggle:hover { background: var(--primary); }
.mobile-nav-toggle svg { width: 22px; height: 22px; }

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 998;
    visibility: hidden;
    opacity: 0;
    transition: opacity .3s, visibility .3s;
}
.nav-overlay.active { visibility: visible; opacity: 1; }

/* ===== Mobile ===== */
@media (max-width: 768px) {
    .mobile-nav-toggle { display: flex; }
    body { font-size: 14px; }
    .page-wrapper { padding: 0 16px; }
    .badge { font-size: .7rem; padding: 2px 8px; }
    .tip-block { padding: 12px 14px; margin: 12px 0; font-size: .85rem; }
    ul, ol { margin: 6px 0 6px 20px; }
    hr { margin: 16px 0; }
}

@media (max-width: 480px) {
    body { font-size: 13px; }
    .page-wrapper { padding: 0 12px; }
}