:root {
    --bg: #0D0D14;
    --surface: #161622;
    --border: rgba(245, 158, 11, .12);
    --text: #F0E8D8;
    --text2: #B8A88A;
    --text3: #6B5C40;
    --primary: #F59E0B;
    --primary-hover: #D97706;
    --glow: rgba(245, 158, 11, .2);
    --sans: 'Inter', system-ui, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --r: 12px;
    --rs: 8px;
    --t: 200ms ease
}

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

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased
}

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh
}

.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border)
}

.header-inner {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center
}

h1 {
    font-size: 1.05rem;
    font-weight: 700
}

.app-main {
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px
}

.controls-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px
}

.control-row {
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.control-group label {
    font-size: .7rem;
    font-weight: 600;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: .5px
}

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

.range-row input[type="range"] {
    width: 160px;
    accent-color: var(--primary)
}

.range-val {
    font-family: var(--mono);
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem
}

.control-group input[type="number"] {
    width: 70px;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--rs);
    font-family: var(--mono);
    font-size: .95rem;
    color: var(--text)
}

.options-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap
}

.opt {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: .82rem;
    color: var(--text2);
    cursor: pointer
}

.opt input {
    accent-color: var(--primary)
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--rs);
    font-family: var(--sans);
    font-size: .87rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--t)
}

.btn-primary {
    background: var(--primary);
    color: #000
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 16px var(--glow)
}

.results-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 16px
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 6px
}

.result-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border-radius: var(--rs);
    font-family: var(--mono);
    font-size: .82rem;
    color: var(--primary);
    word-break: break-all;
    line-height: 1.5
}

.result-row .copy-btn {
    flex-shrink: 0;
    padding: 4px 8px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: .7rem;
    color: var(--text2);
    cursor: pointer;
    transition: all var(--t)
}

.result-row .copy-btn:hover {
    border-color: var(--primary);
    color: var(--primary)
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 24px;
    background: var(--primary);
    color: #000;
    border-radius: var(--rs);
    font-size: .87rem;
    font-weight: 600;
    z-index: 200;
    animation: ts .3s ease
}

@keyframes ts {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(8px)
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0)
    }
}

@media(max-width:500px) {
    .control-row {
        flex-direction: column;
        align-items: stretch
    }

    .range-row input[type="range"] {
        width: 100%
    }
}