:root {
    --bg-main: #0c0d10;
    --bg-surface: #14171d;
    --bg-elevated: #1c212a;
    --accent: #e50914;
    --accent-hover: #b80710;
    --border: #272d38;
    --text-primary: #f0f3f8;
    --text-muted: #8b949e;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
    --radius-sm: 6px;
    --radius-md: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-stack);
    line-height: 1.6;
    padding-bottom: 60px;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.container { max-width: 96%; max-width: 1500px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
nav {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}
.brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 14px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--text-primary); color: var(--text-primary); }
.btn-danger { background: #3c1418; color: #ff6b6b; border: 1px solid #732228; }
.btn-danger:hover { background: #5c181f; }

/* Hero */
.hero { text-align: center; padding: 42px 0 24px; }
.hero h1 { font-size: 2.2rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 6px; }

/* Category Grid Tiles */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.category-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 150px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--cat-accent, var(--accent));
}
.category-card:hover {
    transform: translateY(-4px);
    border-color: var(--cat-accent, var(--accent));
}
.category-title { font-size: 1.35rem; font-weight: 700; color: var(--text-primary); }
.category-count { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }

/* Recipe Grid */
.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.recipe-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.15s, border-color 0.15s;
    display: flex;
    flex-direction: column;
}
.recipe-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card-img {
    width: 100%;
    height: 180px;
    background: var(--bg-elevated);
    object-fit: cover;
    border-bottom: 1px solid var(--border);
}
.card-img-placeholder {
    height: 180px;
    background: linear-gradient(135deg, #161a22 0%, #1f2530 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--border);
    border-bottom: 1px solid var(--border);
}
.card-content { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.badge {
    align-self: flex-start;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}
.card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; line-height: 1.3; color: var(--text-primary); }
.card-meta { font-size: 0.82rem; color: var(--text-muted); margin-top: auto; display: flex; justify-content: space-between; }

/* Recipe Detail */
.detail-header { margin: 32px 0 20px; }
.detail-title { font-size: 2.3rem; font-weight: 800; letter-spacing: -1px; line-height: 1.2; margin-bottom: 8px; }
.detail-img { width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius-md); border: 1px solid var(--border); margin-bottom: 24px; }
.stats-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
}
.stat-box h4 { font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); }
.stat-box p { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-top: 2px; }

.recipe-body {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 36px;
    margin-bottom: 36px;
}
@media (max-width: 768px) { .recipe-body { grid-template-columns: 1fr; gap: 24px; } }
.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 16px;
}

/* Ingredients with Checkbox and Strikethrough */
.ingredients-list { list-style: none; }
.ingredient-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
}
.ingredient-checkbox {
    margin-top: 4px;
    width: 17px;
    height: 17px;
    cursor: pointer;
    accent-color: var(--accent);
}
.ingredient-text { transition: color 0.15s, text-decoration 0.15s; }
.ingredient-item.checked .ingredient-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Instructions with Semitransparent White Dividers */
.instructions-list { list-style: none; }
.instruction-step {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12); /* Semitransparent white divider */
}
.instruction-step:last-child { border-bottom: none; }
.step-number {
    font-weight: 800;
    color: var(--accent);
    font-size: 1.1rem;
    line-height: 1.4;
    min-width: 24px;
}
.step-text { font-size: 0.98rem; color: #d0d7de; line-height: 1.6; }

/* Insights and Notes Panels */
.insights-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}
.insights-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.insights-header h3 { font-size: 1.25rem; font-weight: 700; }
.altitude-callout {
    background: #0f1722;
    border-left: 4px solid #388bfd;
    padding: 14px 18px;
    border-radius: 4px;
    font-size: 0.92rem;
    color: #a5d6ff;
    line-height: 1.5;
    margin-bottom: 20px;
}
.bakers-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-top: 10px;
}
.bakers-table th, .bakers-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.bakers-table th { background: var(--bg-elevated); color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; }
.bakers-table td.num { text-align: right; font-variant-numeric: tabular-nums; }

.notes-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-top: 3px solid #8b949e;
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 20px;
}
.notes-panel h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}
.notes-body { color: #d0d7de; font-size: 0.95rem; line-height: 1.6; white-space: pre-wrap; }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; }
input[type="text"], input[type="password"], textarea, select {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 100px; }

/* Altitude Home Disclaimer */
.altitude-home-disclaimer {
    background: #101622;
    border: 1px solid #1f2a3d;
    border-left: 4px solid #388bfd;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 28px;
}
.disclaimer-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #79c0ff;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.disclaimer-text {
    font-size: 0.92rem;
    color: #c9d1d9;
    margin-bottom: 12px;
    line-height: 1.5;
}
.disclaimer-rules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 10px;
    font-size: 0.85rem;
    color: #8b949e;
}
.disclaimer-rules strong { color: #f0f3f8; }

/* Category Subtext Previews */
.category-subtext {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 6px;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Tag Multi-select Dropdown for Recipe Tiles */
.tag-dropdown-wrapper {
    position: relative;
    display: inline-block;
}
.btn-tag-edit {
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--text-muted);
    font-size: 0.72rem;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    line-height: 1.2;
}
.btn-tag-edit:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}
.tag-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 200;
    min-width: 200px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    margin-top: 4px;
}
.tag-checkbox-list {
    max-height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tag-checkbox-label {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    gap: 6px;
}
.tag-checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
    cursor: pointer;
}

/* Multiplier / Scaling Widget */
.scale-widget {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}
.scale-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}
.scale-btn-group {
    display: flex;
    gap: 2px;
}
.btn-scale {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 3px 8px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-scale:hover {
    color: var(--text-primary);
    border-color: var(--border);
}
.btn-scale.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
#customScaleInput {
    width: 65px;
    padding: 3px 6px;
    font-size: 0.8rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    text-align: center;
}
#customScaleInput:focus {
    outline: none;
    border-color: var(--accent);
}