/* ==========================================================================
   font-mixer.css — Advanced Multi-Font Mixer Styles
   ========================================================================== */

.mixer-section {
    max-width: 900px;
    margin: var(--s-md) auto 0;
    width: 100%;
    animation: slideDown var(--t-base);
}

.mixer-container {
    background: var(--c-surface-solid);
    border-radius: var(--r-lg);
    padding: var(--s-xl);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.mixer-header {
    text-align: center;
    margin-bottom: var(--s-xl);
}

.mixer-header h3 {
    margin-bottom: var(--s-xs);
    font-size: 1.25rem;
    color: var(--c-purple);
}

.mixer-header p {
    font-size: 0.88rem;
    color: var(--c-text-secondary);
}

/* ─── Style Layers ─── */

.mixer-layers {
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
    margin-bottom: var(--s-md);
}

.mixer-layer {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    animation: slideDown 0.2s ease-out;
}

.mixer-layer__label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--c-text-muted);
    min-width: 55px;
}

.mixer-layer__remove {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--c-text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--c-border);
    transition: all var(--t-fast);
}

.mixer-layer__remove:hover {
    background: rgba(255, 45, 120, 0.15);
    border-color: rgba(255, 45, 120, 0.3);
    color: var(--c-pink);
}

/* ─── Add Layer Button ─── */

.mixer-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-sm);
    width: 100%;
    padding: 10px;
    margin-bottom: var(--s-xl);
    border-radius: var(--r-sm);
    border: 1px dashed var(--c-border-hover);
    background: transparent;
    color: var(--c-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--t-fast);
}

.mixer-add-btn:hover {
    border-color: var(--c-purple);
    color: var(--c-purple);
    background: rgba(168, 85, 247, 0.05);
}

.mixer-add-btn span {
    font-size: 1.1rem;
    font-weight: 300;
}

/* ─── Shared Select & Input ─── */

.mixer-select {
    flex: 1;
    padding: 10px 14px;
    background: var(--c-bg);
    color: var(--c-text);
    border: 1px solid var(--c-border-hover);
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color var(--t-fast);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.mixer-select:focus {
    outline: none;
    border-color: var(--c-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.12);
}

.mixer-select option {
    background: var(--c-bg);
    color: var(--c-text);
}

.mixer-input {
    flex: 1;
    padding: 10px 14px;
    background: var(--c-bg);
    color: var(--c-text);
    border: 1px solid var(--c-border-hover);
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    transition: border-color var(--t-fast);
}

.mixer-input::placeholder {
    color: var(--c-text-muted);
    font-size: 0.82rem;
}

.mixer-input:focus {
    outline: none;
    border-color: var(--c-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.12);
}

/* ─── Options Area ─── */

.mixer-options {
    display: flex;
    flex-direction: column;
    gap: var(--s-md);
    margin-bottom: var(--s-xl);
}

.mixer-option-group {
    display: flex;
    flex-direction: column;
    gap: var(--s-xs);
}

.mixer-option-row {
    display: flex;
    gap: var(--s-md);
}

.mixer-option-group--half {
    flex: 1;
}

.mixer-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--c-text-muted);
}

/* ─── Pattern Toggle Buttons ─── */

.mixer-pattern-btns {
    display: flex;
    gap: 2px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--r-sm);
    border: 1px solid var(--c-border);
    overflow: hidden;
}

.mixer-pattern-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--c-text-secondary);
    background: transparent;
    border: none;
    transition: all var(--t-fast);
    white-space: nowrap;
}

.mixer-pattern-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--c-text);
}

.mixer-pattern-btn--active {
    background: var(--grad-brand) !important;
    color: #fff !important;
}

/* ─── Preview Box ─── */

.mixer-preview-box {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--r-md);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-md);
    border: 1px solid var(--c-border);
}

.mixer-preview-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--c-text-muted);
}

.mixer-output {
    font-size: 1.4rem;
    text-align: center;
    word-break: break-all;
    min-height: 2.5rem;
    color: var(--c-text);
    line-height: 1.6;
    padding: var(--s-md) 0;
}

.mixer-copy-btn-inner {
    align-self: center;
    min-width: 180px;
}

/* Active state for mixer toggle button */
#toggle-mixer-btn.active {
    background: rgba(168, 85, 247, 0.2);
    color: var(--c-purple);
    border: 1px solid rgba(168, 85, 247, 0.4);
}

/* ─── Animations ─── */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
    .mixer-option-row {
        flex-direction: column;
        gap: var(--s-sm);
    }

    .mixer-pattern-btns {
        flex-direction: column;
    }

    .mixer-pattern-btn {
        text-align: center;
    }

    .mixer-layer {
        flex-wrap: wrap;
    }
}