:root {
    --coffee-bean: #3a2418;
    --coffee-medium: #6f4a2e;
    --coffee-cream: #d4b896;
    --coffee-foam: #f5ead7;
    --coffee-bg: #fbf6ee;
    --coffee-paper: #fffdf8;
    --coffee-text: #2a1a10;
    --coffee-muted: #7a6a58;
    --coffee-border: #e6d9c1;
    --coffee-accent: #b8541e;
    --coffee-success: #5a7a3e;
    --coffee-danger: #a83a2e;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(58, 36, 24, 0.06);
    --shadow-md: 0 4px 14px rgba(58, 36, 24, 0.08);

    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html, body {
    font-family: var(--font-body);
    color: var(--coffee-text);
    background: var(--coffee-bg);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--coffee-bean);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); margin-bottom: 0.6rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

a {
    color: var(--coffee-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
}
a:hover { border-color: var(--coffee-accent); }

button {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.7rem 1.4rem;
    background: var(--coffee-bean);
    color: var(--coffee-foam);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.1s ease, background 0.15s ease;
}
button:hover { background: var(--coffee-medium); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

button.secondary {
    background: transparent;
    color: var(--coffee-bean);
    border: 1.5px solid var(--coffee-border);
}
button.secondary:hover { background: var(--coffee-foam); }

button.danger {
    background: var(--coffee-danger);
}
button.danger:hover { background: #8b2e25; }

input, select, textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0.7rem 0.9rem;
    background: var(--coffee-paper);
    border: 1.5px solid var(--coffee-border);
    border-radius: var(--radius-md);
    color: var(--coffee-text);
    width: 100%;
    transition: border-color 0.15s ease;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--coffee-medium);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--coffee-muted);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.app-header {
    background: var(--coffee-paper);
    border-bottom: 1px solid var(--coffee-border);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--coffee-bean);
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: var(--coffee-bean);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coffee-foam);
    font-size: 1.1rem;
}

.nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav a {
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-md);
    color: var(--coffee-muted);
    border: none;
    font-weight: 500;
}
.nav a.active, .nav a:hover {
    background: var(--coffee-foam);
    color: var(--coffee-bean);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.9rem;
    color: var(--coffee-muted);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.hero {
    text-align: center;
    padding: 2.5rem 1rem 2rem;
}
.hero p {
    color: var(--coffee-muted);
    font-size: 1.05rem;
    max-width: 580px;
    margin: 0.7rem auto 0;
}

.card {
    background: var(--coffee-paper);
    border: 1px solid var(--coffee-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 0.8rem;
    align-items: end;
    margin-bottom: 1.5rem;
    background: var(--coffee-paper);
    padding: 1.2rem;
    border: 1px solid var(--coffee-border);
    border-radius: var(--radius-lg);
}

.coffee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.2rem;
}

.coffee-card {
    background: var(--coffee-paper);
    border: 1px solid var(--coffee-border);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.coffee-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--coffee-cream);
}

.coffee-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.6rem;
}

.coffee-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--coffee-bean);
    line-height: 1.25;
}

.coffee-roaster {
    font-size: 0.85rem;
    color: var(--coffee-muted);
}

.roast-badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.roast-light  { background: #f5ead7; color: #8a6f3a; }
.roast-medium { background: #d4b896; color: #5a3a1f; }
.roast-dark   { background: #3a2418; color: #f5ead7; }

.coffee-meta {
    font-size: 0.85rem;
    color: var(--coffee-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}
.coffee-meta span::before {
    content: "·";
    margin-right: 0.4rem;
    color: var(--coffee-cream);
}
.coffee-meta span:first-child::before { display: none; }

.tasting-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.3rem;
}
.tasting-note {
    background: var(--coffee-foam);
    color: var(--coffee-medium);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-size: 0.75rem;
}

.coffee-actions {
    margin-top: auto;
    padding-top: 0.9rem;
    border-top: 1px solid var(--coffee-border);
    display: flex;
    gap: 0.5rem;
}
.coffee-actions button {
    flex: 1;
    padding: 0.55rem;
    font-size: 0.85rem;
}

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--coffee-paper);
    border: 1px solid var(--coffee-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.auth-card .brand {
    justify-content: center;
    margin-bottom: 1.8rem;
}

.form-group { margin-bottom: 1.1rem; }

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-top: 1.6rem;
}

.form-actions button { width: 100%; }

.auth-toggle {
    text-align: center;
    margin-top: 1.2rem;
    font-size: 0.9rem;
    color: var(--coffee-muted);
}

.alert {
    padding: 0.8rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}
.alert-error { background: #f8e1de; color: var(--coffee-danger); border: 1px solid #f0c5be; }
.alert-success { background: #e3eed8; color: var(--coffee-success); border: 1px solid #c8dca9; }

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--coffee-muted);
}
.empty-state-icon {
    font-size: 3rem;
    opacity: 0.4;
    margin-bottom: 0.8rem;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(58, 36, 24, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
}

.modal {
    background: var(--coffee-paper);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 540px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(58, 36, 24, 0.2);
}

.modal-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.2rem;
}

.close-btn {
    background: transparent;
    color: var(--coffee-muted);
    padding: 0.3rem 0.6rem;
    font-size: 1.4rem;
    line-height: 1;
}
.close-btn:hover { background: var(--coffee-foam); color: var(--coffee-bean); }

.coffee-card.expandable {
    cursor: pointer;
}
.coffee-card.is-favorite {
    border-left: 3px solid var(--coffee-medium);
    background: linear-gradient(135deg, rgba(180, 120, 60, 0.06) 0%, transparent 60%);
}
button[data-action="unfav"]:hover {
    background: #c0392b;
    border-color: #c0392b;
    color: #fff;
    font-size: 0;
}
button[data-action="unfav"]:hover::after {
    content: "✕ Entfernen";
    font-size: 0.95rem;
}
.brew-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--coffee-muted);
    opacity: 0;
    transition: opacity 0.2s ease;
    padding-top: 0.5rem;
    border-top: 1px solid var(--coffee-border);
    margin-top: 0.5rem;
    pointer-events: none;
}
.coffee-card.expandable:hover .brew-footer {
    opacity: 1;
}
.brew-expand {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.brew-expand.open {
    max-height: 600px;
}
.brew-expand-inner {
    padding-top: 1rem;
    border-top: 1px solid var(--coffee-border);
    margin-top: 0.75rem;
}

.brew-method {
    background: var(--coffee-bg);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    border-left: 3px solid var(--coffee-medium);
}
.brew-method h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--coffee-bean);
    margin-bottom: 0.4rem;
}
.brew-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--coffee-muted);
    margin: 0.5rem 0;
}
.brew-stats strong { color: var(--coffee-text); }

.rating {
    display: inline-flex;
    gap: 0.15rem;
}

/* Card bean rating */
.card-spacer {
    flex: 1;
}
.card-stars {
    display: flex;
    gap: 0.35rem;
    padding: 0.4rem 0 0.1rem;
    align-items: center;
}
.card-star {
    cursor: pointer;
    display: inline-flex;
    transition: transform 0.12s ease;
}
.card-star:hover {
    transform: scale(1.25);
}
.bean-svg {
    display: block;
    pointer-events: none;
}

/* Compare button on card */
.compare-btn {
    background: transparent;
    border: 1px solid var(--coffee-border);
    color: var(--coffee-muted);
    padding: 0.35rem 0.6rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    line-height: 1;
}
.compare-btn:hover {
    background: var(--coffee-foam);
    color: var(--coffee-bean);
    border-color: var(--coffee-medium);
}
.compare-btn.active {
    background: var(--coffee-medium);
    color: #fff;
    border-color: var(--coffee-medium);
}

/* Compared card highlight */
.coffee-card.is-compared {
    outline: 2px solid var(--coffee-medium);
    outline-offset: 2px;
}

/* Floating compare bar */
.compare-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--coffee-bean);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 100;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    flex-wrap: wrap;
}
.compare-bar.visible {
    transform: translateY(0);
}
.compare-bar-chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}
.compare-chip {
    background: rgba(255,255,255,0.15);
    border-radius: 100px;
    padding: 0.3rem 0.7rem;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.compare-chip-remove {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 0;
    font-size: 0.75rem;
    opacity: 0.7;
    line-height: 1;
}
.compare-chip-remove:hover { opacity: 1; }
.compare-now-btn {
    background: #fff;
    color: var(--coffee-bean);
    border: none;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.compare-now-btn:hover { background: var(--coffee-cream); }
.compare-clear-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    white-space: nowrap;
}
.compare-clear-btn:hover { background: rgba(255,255,255,0.1); }

/* Compare modal */
.compare-modal {
    max-width: 800px;
    width: 95vw;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.compare-table th {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--coffee-bean);
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--coffee-border);
}
.compare-th-sub {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: normal;
    color: var(--coffee-muted);
    margin-top: 0.15rem;
}
.compare-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--coffee-border);
    vertical-align: top;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-label {
    font-weight: 600;
    color: var(--coffee-muted);
    font-size: 0.8rem;
    white-space: nowrap;
    width: 110px;
}
.star {
    cursor: pointer;
    color: var(--coffee-cream);
    font-size: 1.3rem;
    user-select: none;
    transition: color 0.1s ease;
}
.star.filled { color: var(--coffee-accent); }
.star:hover { color: var(--coffee-accent); }

.spinner {
    display: inline-block;
    width: 22px;
    height: 22px;
    border: 2.5px solid var(--coffee-foam);
    border-top-color: var(--coffee-medium);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--coffee-muted);
}

@media (max-width: 768px) {
    .filter-bar {
        grid-template-columns: 1fr;
    }
    .coffee-grid {
        grid-template-columns: 1fr;
    }
    .app-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .nav { justify-content: center; flex-wrap: wrap; }
    .container { padding: 1.2rem 1rem; }
    .auth-card { padding: 1.8rem 1.4rem; }
}

@media (min-width: 1024px) {
    .filter-bar {
        grid-template-columns: 2fr 1fr 1fr 1fr auto;
    }
}