/* ============================================================
   抽奖/分组工具 工具页专属样式（Slate Professional 深夜蓝，自包含）
   ============================================================ */
* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(180deg, #0f172a 0%, #111c33 100%);
    color: #f1f5f9;
    font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
    font-size: 14px;
}

.ld-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(2, 6, 23, 0.35);
}
.ld-back { color: #7dd3fc; text-decoration: none; font-size: 14px; }
.ld-back:hover { color: #38bdf8; }
.ld-brand { color: #94a3b8; font-size: 13px; }

.ld-wrap { max-width: 1200px; margin: 0 auto; padding: 30px 20px 60px; }
.ld-title { margin: 0 0 10px; font-size: 1.7em; }
.ld-privacy { margin: 0 0 24px; color: #6ee7b7; font-size: 13px; }

.ld-layout {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    flex-wrap: wrap;
}
.ld-params { flex: 0 0 300px; }
.ld-result { flex: 1 1 480px; min-width: 320px; }

/* 参数卡 */
.ld-config {
    background: rgba(30, 41, 59, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 12px;
    padding: 16px;
}
.ld-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    margin-bottom: 12px;
    padding-bottom: 8px;
}
.ld-tab {
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 13.5px;
    padding: 6px 12px;
    border-radius: 14px;
    cursor: pointer;
}
.ld-tab:hover { color: #7dd3fc; }
.ld-tab.active { background: rgba(56, 189, 248, 0.16); color: #7dd3fc; font-weight: 600; }

.config-line {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 13px;
    font-size: 13.5px;
    color: #cbd5e1;
    flex-wrap: wrap;
}
.config-line > label:first-child { flex: 0 0 auto; padding-top: 7px; }
#namesInput {
    flex: 1 1 100%;
    min-height: 140px;
    padding: 10px 12px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.45);
    color: #f1f5f9;
    font-size: 13.5px;
    line-height: 1.7;
    outline: none;
    resize: vertical;
}
#namesInput:focus { border-color: #38bdf8; }
.config-line select,
.config-line input[type="number"] {
    padding: 7px 10px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 6px;
    background: rgba(2, 6, 23, 0.45);
    color: #f1f5f9;
    font-size: 13.5px;
    outline: none;
    width: 90px;
}
.config-line select:focus,
.config-line input[type="number"]:focus { border-color: #38bdf8; }
.ld-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #cbd5e1;
    cursor: pointer;
}
.ld-check input { accent-color: #38bdf8; cursor: pointer; }
.ld-hint { font-size: 12px; color: #64748b; margin: 8px 0 0; line-height: 1.7; }
.ld-btn-col { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.ld-btn {
    padding: 11px 18px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.45);
    color: #e2e8f0;
    font-size: 14px;
    cursor: pointer;
    transition: filter 0.2s, border-color 0.2s;
}
.ld-btn:hover { border-color: rgba(56, 189, 248, 0.5); }
.ld-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ld-btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #38bdf8);
    border-color: transparent;
    color: #04121f;
    font-weight: 600;
}
.ld-btn-primary:hover { filter: brightness(1.1); }

/* 舞台 */
.ld-stage {
    background: rgba(30, 41, 59, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 16px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 20px;
}
.ld-slot {
    font-size: 2.2em;
    font-weight: 700;
    color: #f1f5f9;
    text-align: center;
    line-height: 1.5;
    word-break: break-all;
}
.ld-slot.rolling { color: #7dd3fc; }
.ld-slot.done { color: #fbbf24; text-shadow: 0 0 24px rgba(251, 191, 36, 0.35); }
.ld-msg {
    margin-top: 12px;
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 13px;
}
.ld-msg.err {
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: #fca5a5;
}
.ld-msg.ok {
    background: rgba(110, 231, 183, 0.1);
    border: 1px solid rgba(110, 231, 183, 0.3);
    color: #6ee7b7;
}

/* 中奖记录 */
.ld-record {
    margin-top: 16px;
    background: rgba(30, 41, 59, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 12px;
    padding: 14px 16px;
}
.ld-record-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.ld-record-head h3 { margin: 0; font-size: 14.5px; color: #7dd3fc; }
.ld-link-btn {
    border: none;
    background: transparent;
    color: #7dd3fc;
    font-size: 12.5px;
    cursor: pointer;
    padding: 0;
}
.ld-link-btn:hover { text-decoration: underline; }
.winner-list { display: flex; flex-direction: column; gap: 8px; }
.winner-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    background: rgba(2, 6, 23, 0.35);
    border-radius: 8px;
    font-size: 13.5px;
}
.winner-row .round { color: #64748b; font-size: 12.5px; flex: 0 0 auto; }
.winner-row .names { flex: 1; color: #fbbf24; font-weight: 600; text-align: right; }

/* 分组结果 */
.ld-groups {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.group-card {
    background: rgba(30, 41, 59, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 12px;
    padding: 14px;
}
.group-card h4 {
    margin: 0 0 10px;
    font-size: 14px;
    color: #7dd3fc;
    border-bottom: 1px solid rgba(56, 189, 248, 0.15);
    padding-bottom: 8px;
}
.group-card ul { margin: 0; padding: 0 0 0 18px; }
.group-card li { font-size: 13px; color: #cbd5e1; line-height: 1.9; }

@media (max-width: 760px) {
    .ld-params { flex: 1 1 100%; }
}