:root {
    --espresso: #1A0F0A;
    --espresso-2: #2A1810;
    --gold: #C9963A;
    --gold-soft: #E0B45E;
    --cream: #F5EDD8;
    --cream-2: #FBF6E7;
    --paper: #FFFFFF;
    --ink: #1A0F0A;
    --ink-soft: #5B4A3D;
    --line: #E8DDC3;
    --error: #B3433A;
    --success: #4C7A4F;
}

html, body {
    background: var(--cream-2);
    color: var(--ink);
    font-family: 'Inter', -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.font-display { font-family: 'Playfair Display', Georgia, serif; }
.font-mono-dm { font-family: 'DM Mono', 'Courier New', monospace; letter-spacing: 0.02em; }

.bg-espresso { background-color: var(--espresso); }
.bg-espresso-2 { background-color: var(--espresso-2); }
.bg-cream { background-color: var(--cream); }
.bg-cream-2 { background-color: var(--cream-2); }
.bg-gold { background-color: var(--gold); }
.text-espresso { color: var(--espresso); }
.text-gold { color: var(--gold); }
.text-ink-soft { color: var(--ink-soft); }
.text-cream { color: var(--cream); }
.text-error { color: var(--error); }
.text-success { color: var(--success); }
.border-line { border-color: var(--line); }
.border-gold { border-color: var(--gold); }

.label-mono {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.btn-gold {
    background: var(--gold);
    color: var(--espresso);
    font-weight: 600;
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    transition: transform 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
    box-shadow: 0 4px 14px rgba(201, 150, 58, 0.25);
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    border: none;
}
.btn-gold:hover { background: var(--gold-soft); transform: translateY(-1px); box-shadow: 0 8px 22px rgba(201, 150, 58, 0.35); }
.btn-gold:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-espresso {
    background: var(--espresso);
    color: var(--cream);
    font-weight: 600;
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    transition: transform 200ms ease, background-color 200ms ease;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    border: none;
}
.btn-espresso:hover { background: var(--espresso-2); transform: translateY(-1px); }
.btn-espresso:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-outline-espresso {
    background: transparent;
    color: var(--espresso);
    border: 1.5px solid var(--espresso);
    font-weight: 600;
    border-radius: 999px;
    padding: 0.65rem 1.4rem;
    transition: all 200ms ease;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}
.btn-outline-espresso:hover { background: var(--espresso); color: var(--cream); }
.btn-outline-espresso.active { background: var(--espresso); color: var(--cream); }

.btn-text-danger {
    color: var(--error);
    font-weight: 600;
    font-size: 0.875rem;
    background: transparent;
    border: none;
    cursor: pointer;
}
.btn-text-danger:hover { text-decoration: underline; }

.card-paper {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 14px;
    transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}
.card-paper:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -20px rgba(26, 15, 10, 0.25); border-color: var(--gold); }

.badge-certified {
    background: var(--espresso);
    color: var(--gold);
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--gold);
}

.badge-pending {
    background: var(--cream);
    color: var(--ink-soft);
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--line);
}

.badge-sold {
    background: var(--ink-soft);
    color: var(--cream-2);
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
}

.grain { position: relative; }
.grain::after {
    content: '';
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox=%270 0 200 200%27 xmlns=%27http://www.w3.org/2000/svg%27%3E%3Cfilter id=%27n%27%3E%3CfeTurbulence type=%27fractalNoise%27 baseFrequency=%270.85%27 numOctaves=%272%27 stitchTiles=%27stitch%27/%3E%3CfeColorMatrix values=%270 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.12 0%27/%3E%3C/filter%3E%3Crect width=%27100%25%27 height=%27100%25%27 filter=%27url%28%23n%29%27/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.4;
}

.fade-in { animation: fade-in 600ms ease both; }
@keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Forms (sell / signin / signup / account / admin) ---- */
.field-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    display: block;
    margin-bottom: 0.4rem;
}

.input-base {
    width: 100%;
    background: var(--paper);
    border: 1.5px solid var(--line);
    border-radius: 10px;
    padding: 0.7rem 0.95rem;
    color: var(--ink);
    font-size: 0.95rem;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.input-base:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 150, 58, 0.18);
}
.input-base::placeholder { color: rgba(91, 74, 61, 0.55); }
textarea.input-base { resize: vertical; min-height: 6rem; }

.score-track {
    background: var(--line);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
}
.score-fill {
    background: var(--gold);
    height: 100%;
    border-radius: 999px;
    transition: width 500ms ease;
}

.spinner {
    width: 1rem; height: 1rem;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background: var(--espresso);
    color: var(--cream);
    padding: 0.85rem 1.4rem;
    border-radius: 10px;
    border: 1px solid var(--gold);
    font-size: 0.875rem;
    box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4);
    z-index: 100;
    transition: transform 280ms ease;
    max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--error); }

.skeleton {
    background: linear-gradient(100deg, var(--line) 30%, #f1e8cf 50%, var(--line) 70%);
    background-size: 200% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: 10px;
}
@keyframes shimmer { from { background-position: 150% 0; } to { background-position: -50% 0; } }

/* ---- Messages inbox ---- */
.msg-badge {
    position: absolute;
    top: -7px;
    right: -12px;
    background: var(--error);
    color: #fff;
    font-family: 'DM Mono', monospace;
    font-size: 0.625rem;
    font-weight: 700;
    line-height: 1;
    padding: 0.15rem 0.35rem;
    border-radius: 999px;
    min-width: 1.1rem;
    text-align: center;
}

.conversation-item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 0.85rem 0.85rem;
    border-radius: 12px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 150ms ease, border-color 150ms ease;
}
.conversation-item:hover { background: var(--cream); }
.conversation-item.active { background: var(--cream); border-color: var(--gold); }
.conversation-item .unread-dot {
    width: 0.55rem; height: 0.55rem;
    border-radius: 999px;
    background: var(--gold);
    flex-shrink: 0;
}

.msg-bubble {
    max-width: 78%;
    padding: 0.6rem 0.95rem;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
}
.msg-bubble.mine {
    background: var(--espresso);
    color: var(--cream);
    margin-left: auto;
    border-bottom-right-radius: 4px;
}
.msg-bubble.theirs {
    background: var(--cream);
    color: var(--ink);
    border: 1px solid var(--line);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}