:root {
    --bg: #0f1720;
    --card: #0b1220;
    --muted: #9aa4b2;
    --accent: #ff6b6b;
    --glass: rgba(255, 255, 255, 0.06);
    --radius: 10px;
    --gap: 12px;
    --max-width: 1100px;
    --mockup-bg: #0b1220;
    --ui-font-size: 14px;
    --ui-line-height: 1.35;
    --touch-size: 44px;
}


* {
    box-sizing: border-box
}

html,
body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, Segoe UI, Roboto, Arial;
    background: linear-gradient(180deg, var(--bg), #071022);
    color: #fff;
    -webkit-font-smoothing: antialiased
}

.app {
    max-width: var(--max-width);
    margin: 16px auto;
    padding: 14px;
    background: linear-gradient(180deg, var(--card), #071022);
    border-radius: var(--radius);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6)
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px
}

.topbar h1 {
    font-size: 18px;
    margin: 0
}

.controls-inline {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap
}

.select,
.select-light,
select {
    background: #fff;
    color: #111;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    -webkit-appearance: none;
    appearance: none;
    font-size: var(--ui-font-size);
    min-width: 120px;
}

select:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #111;
}

select option {
    color: #111;
    background: #fff;
}

input[type="range"] {
    background: transparent;
    border: 1px solid var(--glass);
    color: #fff;
    padding: 8px;
    border-radius: 8px;
    width: 120px
}

.btn {
    background: transparent;
    border: 1px solid var(--glass);
    color: #fff;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--ui-font-size);
    min-height: var(--touch-size)
}

.btn.primary {
    background: var(--accent);
    border: none;
    color: #111;
    font-weight: 600
}

.btn.secondary {
    opacity: 0.95
}

.small {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px
}


.palette-area {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    align-items: start
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px
}

.palette-swatch {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: 120px;
    border: 1px solid rgba(255, 255, 255, 0.03)
}

.swatch-top {
    flex: 1
}

.swatch-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    background: rgba(0, 0, 0, 0.18)
}

.hex {
    font-family: monospace;
    font-weight: 700;
    font-size: 13px
}

.controls-row {
    display: flex;
    gap: 8px;
    align-items: center
}

.lock-btn {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 6px;
    padding: 6px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    min-width: 36px
}

.copy-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 6px;
    border-radius: 6px;
    font-size: 12px;
    min-width: 48px
}


.preview-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--glass);
    display: flex;
    flex-direction: column;
    gap: 12px
}

.preview-swatch {
    display: flex;
    gap: 10px;
    align-items: center
}

.swatch-sample {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06)
}

.swatch-info {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.gradient-bar {
    height: 36px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    background: linear-gradient(90deg, #fff, #000)
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.saved-list ul {
    list-style: none;
    padding: 0;
    margin: 6px 0;
    max-height: 220px;
    overflow: auto
}

.saved-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 6px
}

.saved-swatch {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.04)
}


.mockups {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.mockup-card {
    background: var(--mockup-bg);
    border-radius: 8px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.03)
}

.mockup-header {
    height: 36px;
    border-radius: 6px;
    background: var(--color-1, #333);
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-weight: 600
}

.mockup-body {
    display: flex;
    gap: 8px;
    align-items: center;
    padding-top: 10px
}

.mockup-btn {
    background: var(--color-2, #555);
    border: none;
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px
}

.mockup-box {
    background: var(--color-3, #222);
    padding: 10px;
    border-radius: 6px;
    color: #fff
}


.footer {
    margin-top: 12px;
    text-align: center;
    color: var(--muted);
    font-size: 13px
}

.toast {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 18px;
    background: #111;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    z-index: 999
}

.hidden {
    display: none
}


@media (max-width:980px) {
    :root {
        --ui-font-size: 15px
    }

    .app {
        margin: 10px;
        padding: 12px
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px
    }

    .controls-inline {
        width: 100%;
        justify-content: space-between
    }

    .palette-area {
        grid-template-columns: 1fr;
        gap: 12px
    }

    .preview-panel {
        order: 2
    }

    .palette-grid {
        order: 1
    }

    .saved-list ul {
        max-height: 140px
    }

    .mockup-card {
        padding: 8px
    }

    .swatch-top {
        min-height: 90px
    }

    .swatch-bottom {
        padding: 8px
    }

    .hex {
        font-size: 14px
    }

    .btn {
        padding: 10px 12px;
        min-height: var(--touch-size)
    }

    .controls-row .lock-btn,
    .controls-row .copy-btn {
        padding: 8px;
        min-width: 44px
    }
}


@media (max-width:520px) {
    :root {
        --ui-font-size: 15px
    }

    .topbar h1 {
        font-size: 16px
    }

    .controls-inline {
        gap: 6px
    }

    .select {
        min-width: 110px
    }

    input[type="range"] {
        width: 100px
    }

    .palette-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px
    }

    .palette-swatch {
        min-height: 100px
    }

    .swatch-top {
        min-height: 72px
    }

    .swatch-sample {
        width: 56px;
        height: 56px
    }

    .gradient-bar {
        height: 28px
    }

    .saved-list ul {
        max-height: 120px
    }

    .mockup-header {
        height: 32px
    }

    .mockup-btn {
        padding: 6px 10px
    }

    .toast {
        bottom: 12px;
        padding: 8px 10px
    }
}


button:focus,
.copy-btn:focus,
.lock-btn:focus,
select:focus,
input[type="range"]:focus {
    outline: 2px solid rgba(255, 255, 255, 0.08);
    outline-offset: 2px;
}


.saved-item .btn.small {
    font-size: 12px;
    padding: 6px 8px;
}