/**
 * Color Mixer (색상 혼합기)
 * Reference layout translated to ToolZipper light theme.
 *
 * @package Zipper
 */

#colorMixer {
    --mixer-bg: #fffdf9;
    --mixer-surface: #ffffff;
    --mixer-surface-2: #faf7f1;
    --mixer-surface-3: #f5efe1;
    --mixer-border: #e8e4dc;
    --mixer-border-2: #d8c8a0;
    --mixer-text: #2d2a26;
    --mixer-text-2: #6d655c;
    --mixer-text-3: #9b9488;
    --mixer-accent: #d4af37;
    --mixer-accent-dim: rgba(212, 175, 55, 0.14);
    --mixer-green: #5a9870;
    --mixer-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
    --mixer-sans: inherit;
    color: var(--mixer-text);
}

#colorMixer,
#colorMixer *,
#colorMixer *::before,
#colorMixer *::after {
    box-sizing: border-box;
}

#colorMixer button,
#colorMixer input {
    font: inherit;
}

#colorMixer.mixer-app {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#colorMixer .mixer-top-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

#colorMixer .mixer-input-column,
#colorMixer .mixer-result-column,
#colorMixer .mixer-bottom-panel {
    background: var(--mixer-surface);
    border: 1px solid var(--mixer-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(45, 42, 38, 0.06);
}

#colorMixer .mixer-input-column,
#colorMixer .mixer-result-column {
    padding: 16px;
}

#colorMixer .mixer-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mixer-text-3);
    font-family: var(--mixer-sans);
}

#colorMixer .mixer-inline-label {
    margin-right: 4px;
}

#colorMixer .mixer-section-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 4px;
}

#colorMixer .mixer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 10px;
    border: 1px solid var(--mixer-border);
    background: var(--mixer-surface-2);
    color: var(--mixer-text-2);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

#colorMixer .mixer-btn:hover:not(:disabled) {
    border-color: var(--mixer-accent);
    color: var(--mixer-text);
    box-shadow: 0 6px 14px rgba(212, 175, 55, 0.12);
    transform: translateY(-1px);
}

#colorMixer .mixer-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#colorMixer .mixer-add-btn {
    min-height: 40px;
    padding: 8px 14px;
    font-size: 12px;
    background: linear-gradient(135deg, #fff8e6 0%, #f6ecd0 100%);
    border-color: var(--mixer-border-2);
    font-weight: 600;
}

#colorMixer .mixer-colors-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

#colorMixer .mixer-color-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--mixer-surface-2);
    border: 1px solid var(--mixer-border);
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

#colorMixer .mixer-color-row:hover {
    border-color: var(--mixer-border-2);
    box-shadow: 0 4px 10px rgba(45, 42, 38, 0.05);
}

#colorMixer .mixer-color-field {
    position: relative;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    cursor: pointer;
}

#colorMixer .mixer-color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.82);
    box-shadow: 0 0 0 1px rgba(45, 42, 38, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

#colorMixer .mixer-color-picker {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

#colorMixer .mixer-hex-input {
    width: 90px;
    min-width: 90px;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid var(--mixer-border);
    background: var(--mixer-surface);
    color: var(--mixer-text);
    font-family: var(--mixer-mono);
    font-size: 12px;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

#colorMixer .mixer-hex-input:hover {
    border-color: #d4c67a;
}

#colorMixer .mixer-hex-input:focus {
    border-color: var(--mixer-accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

#colorMixer .mixer-hex-input::placeholder {
    color: #c4c0bc;
}

#colorMixer .mixer-ratio-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

#colorMixer .mixer-ratio-slider {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    cursor: pointer;
    accent-color: var(--mixer-accent);
}

#colorMixer .mixer-ratio-value {
    width: 32px;
    flex-shrink: 0;
    text-align: right;
    color: var(--mixer-text-2);
    font-family: var(--mixer-mono);
    font-size: 11px;
}

#colorMixer .mixer-icon-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 8px;
    border: 1px solid var(--mixer-border);
    background: transparent;
    color: var(--mixer-text-3);
    cursor: pointer;
    font-size: 14px;
    transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease;
}

#colorMixer .mixer-icon-btn:hover:not(:disabled) {
    border-color: var(--mixer-accent);
    color: var(--mixer-text);
    background: var(--mixer-accent-dim);
}

#colorMixer .mixer-gradient-strip {
    height: 10px;
    margin-top: 10px;
    border-radius: 999px;
    border: 1px solid rgba(212, 175, 55, 0.16);
    background: linear-gradient(90deg, #f3ead0 0%, #e5d4a5 100%);
}

#colorMixer .mixer-result-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#colorMixer .mixer-result-card {
    position: relative;
    overflow: hidden;
    min-height: 140px;
    padding: 24px 20px;
    border-radius: 14px;
    border: 1px solid rgba(212, 175, 55, 0.18);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-color: #e8dfc8;
}

#colorMixer .mixer-result-overlay {
    position: absolute;
    inset: 0;
    background: none;
    pointer-events: none;
}

#colorMixer .mixer-result-content {
    position: relative;
    z-index: 1;
}

#colorMixer .mixer-result-hex {
    font-family: var(--mixer-mono);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1;
}

#colorMixer .mixer-result-rgb {
    margin-top: 4px;
    font-family: var(--mixer-mono);
    font-size: 11px;
    opacity: 0.7;
}

#colorMixer .mixer-result-actions {
    display: flex;
    gap: 6px;
}

#colorMixer .mixer-copy-btn {
    flex: 1;
    background: var(--mixer-surface);
}

#colorMixer .mixer-copy-btn.is-copied {
    background: #edf7ef;
    border-color: #93bda2;
    color: #23503a;
}

#colorMixer .mixer-bottom-panel {
    overflow: hidden;
}

#colorMixer .mixer-tab-bar {
    display: flex;
    border-bottom: 1px solid var(--mixer-border);
    padding: 0 4px;
    background: var(--mixer-surface-2);
}

#colorMixer .mixer-tab-btn {
    padding: 10px 14px;
    border: 0;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    background: transparent;
    color: var(--mixer-text-3);
    font-size: 12px;
    font-weight: 400;
    cursor: pointer;
    transition: color 0.16s ease, border-color 0.16s ease;
}

#colorMixer .mixer-tab-btn:hover {
    color: var(--mixer-text);
}

#colorMixer .mixer-tab-btn.is-active {
    color: var(--mixer-text);
    font-weight: 600;
    border-bottom-color: var(--mixer-accent);
}

#colorMixer .mixer-tab-content {
    padding: 14px 16px;
}

#colorMixer .mixer-tab-panel {
    display: none;
}

#colorMixer .mixer-tab-panel.is-active {
    display: block;
}

#colorMixer .mixer-step-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

#colorMixer .mixer-chip-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

#colorMixer .mixer-chip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 4px 10px;
    min-height: 30px;
    border-radius: 999px;
    border: 1px solid var(--mixer-border);
    background: transparent;
    color: var(--mixer-text-3);
    cursor: pointer;
    font-size: 11px;
    font-weight: 500;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

#colorMixer .mixer-chip-btn:hover {
    border-color: var(--mixer-accent);
    color: var(--mixer-text);
}

#colorMixer .mixer-chip-btn.is-active {
    background: var(--mixer-accent-dim);
    border-color: var(--mixer-accent);
    color: #8a6500;
}

#colorMixer .mixer-steps-grid {
    display: flex;
    gap: 6px;
    align-items: stretch;
}

#colorMixer .mixer-step-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    min-width: 0;
}

#colorMixer .mixer-step-swatch {
    width: 100%;
    height: 40px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.18);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.08);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#colorMixer .mixer-step-swatch:hover,
#colorMixer .mixer-harmony-swatch:hover,
#colorMixer .mixer-history-swatch:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(45, 42, 38, 0.12);
}

#colorMixer .mixer-step-text,
#colorMixer .mixer-harmony-text,
#colorMixer .mixer-history-text,
#colorMixer .mixer-harmony-caption {
    font-family: var(--mixer-mono);
    font-size: 9px;
    color: var(--mixer-text-3);
    text-align: center;
    overflow-wrap: anywhere;
}

#colorMixer .mixer-step-text.is-copied,
#colorMixer .mixer-harmony-text.is-copied,
#colorMixer .mixer-history-text.is-copied {
    color: #8a6500;
}

#colorMixer .mixer-harmony-tabs {
    margin-bottom: 12px;
}

#colorMixer .mixer-harmony-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

#colorMixer .mixer-harmony-base {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

#colorMixer .mixer-harmony-arrow {
    color: var(--mixer-text-3);
    font-size: 16px;
}

#colorMixer .mixer-harmony-grid {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

#colorMixer .mixer-harmony-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

#colorMixer .mixer-harmony-swatch {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.18);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(45, 42, 38, 0.08);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#colorMixer .mixer-history-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

#colorMixer .mixer-history-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    align-items: center;
}

#colorMixer .mixer-history-swatch {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.18);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.08);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#colorMixer .mixer-history-empty {
    color: var(--mixer-text-3);
}

#colorMixer .mixer-history-clear {
    margin-left: auto;
    padding: 3px 8px;
    font-size: 10px;
    color: var(--mixer-text-3);
    border-color: transparent;
    background: transparent;
    box-shadow: none;
}

#colorMixer .mixer-history-clear:hover:not(:disabled) {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    transform: none;
    color: var(--mixer-text);
}

#colorMixer .mixer-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(20px);
    padding: 11px 16px;
    border-radius: 10px;
    background: rgba(45, 42, 38, 0.96);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 10px 20px rgba(45, 42, 38, 0.18);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1200;
}

#colorMixer .mixer-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    #colorMixer .mixer-top-grid {
        grid-template-columns: 1fr;
    }

    #colorMixer .mixer-color-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    #colorMixer .mixer-ratio-field {
        width: 100%;
        order: 3;
    }

    #colorMixer .mixer-hex-input {
        flex: 1;
        min-width: 80px;
    }

    #colorMixer .mixer-result-actions {
        flex-direction: column;
    }

    #colorMixer .mixer-copy-btn {
        width: 100%;
    }

    #colorMixer .mixer-tab-bar {
        flex-wrap: wrap;
    }

    #colorMixer .mixer-harmony-row {
        flex-wrap: wrap;
    }
}

@media (max-width: 520px) {
    #colorMixer .mixer-input-column,
    #colorMixer .mixer-result-column,
    #colorMixer .mixer-bottom-panel {
        border-radius: 14px;
    }

    #colorMixer .mixer-input-column,
    #colorMixer .mixer-result-column,
    #colorMixer .mixer-tab-content {
        padding: 14px;
    }

    #colorMixer .mixer-tab-btn {
        flex: 1 1 auto;
        text-align: center;
    }

    #colorMixer .mixer-steps-grid {
        flex-wrap: wrap;
    }

    #colorMixer .mixer-step-item {
        min-width: calc(25% - 5px);
        flex: 0 0 calc(25% - 5px);
    }
}

@media (prefers-reduced-motion: reduce) {
    #colorMixer .mixer-btn,
    #colorMixer .mixer-icon-btn,
    #colorMixer .mixer-tab-btn,
    #colorMixer .mixer-chip-btn,
    #colorMixer .mixer-step-swatch,
    #colorMixer .mixer-harmony-swatch,
    #colorMixer .mixer-history-swatch,
    #colorMixer .mixer-toast {
        transition: none !important;
    }

    #colorMixer .mixer-btn:hover:not(:disabled),
    #colorMixer .mixer-step-swatch:hover,
    #colorMixer .mixer-harmony-swatch:hover,
    #colorMixer .mixer-history-swatch:hover {
        transform: none !important;
    }
}