/* ===== 随机数生成器 ===== */
:root {
    --card-bg: var(--c-bg-card);
    --border-color: var(--c-border);
    --text-primary: var(--c-text);
    --text-secondary: var(--c-text-sub);
    --text-tertiary: var(--c-text-muted);
    --bg-hover: var(--c-bg-soft);
    --input-bg: var(--c-surface-soft);
    --accent-color: var(--c-primary);
    --card-shadow: var(--shadow-md);
}

.rg-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 16px 0 20px;
}

.rg-title {
    font-size: 26px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.3px;
}

.rg-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: var(--card-shadow);
}

.rg-block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    margin: 0 0 14px;
}

.rg-tip-inline {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.rg-tip {
    margin-top: 10px;
    font-size: 12.5px;
    color: var(--text-tertiary);
    line-height: 1.7;
}

.rg-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.rg-row--top {
    align-items: flex-start;
}

.rg-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rg-field--num {
    width: 110px;
}

.rg-field--grow {
    flex: 1;
    min-width: 220px;
}

.rg-label {
    font-size: 12.5px;
    color: var(--text-secondary);
}

.rg-input {
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}

.rg-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 18%, transparent);
}

.rg-input[type="number"] {
    font-family: 'JetBrains Mono', Consolas, monospace;
}

.rg-textarea {
    width: 100%;
    min-height: 140px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.7;
    outline: none;
    resize: vertical;
    transition: border-color .2s, box-shadow .2s;
}

.rg-textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 18%, transparent);
}

.rg-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    padding-bottom: 10px;
}

.rg-pick-side {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 150px;
}

.rg-result {
    margin-top: 16px;
}

.rg-nums {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.rg-nums .rg-num {
    padding: 8px 14px;
    border-radius: 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    font-size: 18px;
    font-weight: 700;
    font-family: 'JetBrains Mono', Consolas, monospace;
    color: var(--accent-color);
    user-select: all;
    cursor: text;
}

.rg-pick-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.rg-pick-results .rg-pick-item {
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: all;
}

/* 骰子 / 硬币 */
.rg-dice-row,
.rg-coin-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding: 6px 0;
}

.rg-coin-row {
    margin-top: 8px;
}

.rg-dice,
.rg-coin {
    font-size: 64px;
    line-height: 1;
    user-select: none;
    transition: transform .25s ease;
}

.rg-dice.rolling,
.rg-coin.rolling {
    animation: rg-shake .45s ease-in-out;
}

@keyframes rg-shake {
    0%   { transform: rotate(0deg) scale(1); }
    25%  { transform: rotate(-12deg) scale(1.1); }
    50%  { transform: rotate(12deg) scale(1.05); }
    75%  { transform: rotate(-8deg) scale(1.1); }
    100% { transform: rotate(0deg) scale(1); }
}

.rg-dice-btns,
.rg-coin-btns {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.rg-dice-msg,
.rg-coin-msg {
    width: 100%;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-color);
    min-height: 20px;
}