/* ======================================================================
 *  猫咪每日饮水量自查 /tool/cat-water-intake-calc
 *  风格：水族箱 —— 水蓝 + 波纹 + 水位仪表
 *  深色模式随站点 [data-theme="dark"]，本页变量作用域 .cwi-page
 * ====================================================================== */

.cwi-page {
    --cwi-blue: #0284c7;
    --cwi-blue-2: #38bdf8;
    --cwi-bg: #f0f9ff;
    --cwi-card: #ffffff;
    --cwi-soft: #e3f3fd;
    --cwi-line: #c9e7f7;
    --cwi-text: #0c2b3d;
    --cwi-muted: #5f8ba1;
    --cwi-shadow: 0 12px 32px -16px rgba(2, 132, 199, .30);
    color: var(--cwi-text);
    padding-bottom: 70px;
    background:
        radial-gradient(860px 380px at 10% -8%, rgba(56, 189, 248, .15), transparent 60%),
        radial-gradient(680px 340px at 92% 0%, rgba(2, 132, 199, .10), transparent 55%);
}
:root[data-theme="dark"] .cwi-page {
    --cwi-blue: #38bdf8;
    --cwi-blue-2: #7dd3fc;
    --cwi-bg: #081824;
    --cwi-card: #0f2130;
    --cwi-soft: #142a3c;
    --cwi-line: #1e3d52;
    --cwi-text: #e4f2fa;
    --cwi-muted: #8db0c2;
    --cwi-shadow: 0 14px 34px -18px rgba(0, 0, 0, .7);
}

/* ---------- 面包屑 ---------- */
.cwi-crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--cwi-muted);
    padding: 18px 0 0;
}
.cwi-crumb a { color: var(--cwi-muted); text-decoration: none; }
.cwi-crumb a:hover { color: var(--cwi-blue); }
.cwi-crumb b { color: var(--cwi-text); font-weight: 600; }

/* ---------- Hero ---------- */
.cwi-hero { text-align: center; padding: 22px 0 26px; }
.cwi-hero-ic {
    display: inline-grid;
    place-items: center;
    width: 62px;
    height: 62px;
    font-size: 30px;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--cwi-blue-2), var(--cwi-blue));
    box-shadow: inset 0 -4px 10px rgba(0, 0, 0, .15), var(--cwi-shadow);
    margin-bottom: 12px;
}
.cwi-hero h1 {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 900;
    letter-spacing: -.02em;
    margin: 0 0 10px;
}
.cwi-hero p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.8;
    color: var(--cwi-muted);
}
.cwi-hero em { font-style: normal; font-weight: 800; color: var(--cwi-blue); }

/* ---------- 布局 ---------- */
.cwi-layout {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 22px;
    align-items: start;
}
.cwi-form-col { display: flex; flex-direction: column; gap: 16px; }

/* ---------- 表单 ---------- */
.cwi-card {
    background: var(--cwi-card);
    border: 1px solid var(--cwi-line);
    border-radius: 18px;
    padding: 20px 22px;
    box-shadow: var(--cwi-shadow);
}
.cwi-card-t {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    margin: 0 0 16px;
}
.cwi-card-t i {
    font-style: normal;
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    font-size: 13px;
    border-radius: 50%;
    color: #fff;
    background: var(--cwi-blue);
}
.cwi-t-small { font-size: 12px; font-weight: 500; color: var(--cwi-muted); margin-left: auto; }
.cwi-frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cwi-field { display: block; margin-bottom: 12px; }
.cwi-field > span { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.cwi-field > span small { font-weight: 400; color: var(--cwi-muted); }
.cwi-field input, .cwi-field select {
    width: 100%;
    border: 1px solid var(--cwi-line);
    border-radius: 10px;
    background: var(--cwi-soft);
    color: var(--cwi-text);
    font: inherit;
    font-size: 14px;
    padding: 9px 12px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.cwi-field input:focus, .cwi-field select:focus {
    border-color: var(--cwi-blue-2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cwi-blue-2) 22%, transparent);
}

.cwi-btn {
    width: 100%;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 13px 20px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--cwi-blue-2), var(--cwi-blue));
    box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--cwi-blue) 70%, transparent);
    transition: transform .15s;
}
.cwi-btn:hover { transform: translateY(-2px); }

/* ---------- 水位仪表 ---------- */
.cwi-result-col { display: flex; flex-direction: column; gap: 16px; }
.cwi-tank-card {
    background: var(--cwi-card);
    border: 1px solid var(--cwi-line);
    border-radius: 18px;
    padding: 20px 22px;
    box-shadow: var(--cwi-shadow);
}
.cwi-tank-card h2 { font-size: 16px; font-weight: 800; margin: 0 0 14px; }
.cwi-tank {
    display: flex;
    gap: 16px;
    align-items: stretch;
}
.cwi-tank-body {
    position: relative;
    width: 110px;
    height: 230px;
    border-radius: 14px 14px 20px 20px;
    background: var(--cwi-soft);
    border: 2px solid var(--cwi-line);
    overflow: hidden;
    flex: none;
}
.cwi-tank-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(180deg, var(--cwi-blue-2), var(--cwi-blue));
    transition: height .8s cubic-bezier(.22, 1, .36, 1);
}
.cwi-tank-wave {
    position: absolute;
    left: -10%;
    width: 120%;
    height: 10px;
    background: radial-gradient(circle at 6px -1px, transparent 5px, color-mix(in srgb, var(--cwi-blue) 45%, #fff) 5.5px, transparent 6.5px) 0 0 / 12px 10px repeat-x;
    opacity: .8;
    transition: bottom .8s cubic-bezier(.22, 1, .36, 1);
}
.cwi-tank-cat {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 26px;
    opacity: .85;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .12));
}
.cwi-tank-marks {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 12px;
    padding: 6px 0;
}
.cwi-mark {
    position: absolute;
    left: 0;
    right: 0;
    height: 0;
    border-top: 2px dashed var(--cwi-line);
}
.cwi-mark span {
    position: absolute;
    right: 0;
    bottom: 5px;
    font-size: 12px;
    color: var(--cwi-muted);
    background: var(--cwi-card);
    padding: 1px 6px;
    border-radius: 6px;
}
.cwi-mark b { color: var(--cwi-blue); font-variant-numeric: tabular-nums; }

.cwi-verdict {
    margin-top: 14px;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 13.5px;
    line-height: 1.75;
    background: var(--cwi-soft);
    border: 1px solid var(--cwi-line);
    color: var(--cwi-muted);
}
.cwi-verdict b { font-variant-numeric: tabular-nums; }
.cwi-verdict.is-ok { background: rgba(22, 163, 74, .10); border-color: rgba(22, 163, 74, .32); color: #15803d; }
.cwi-verdict.is-warn { background: rgba(245, 158, 11, .10); border-color: rgba(245, 158, 11, .36); color: #b45309; }
.cwi-verdict.is-bad { background: rgba(239, 68, 68, .09); border-color: rgba(239, 68, 68, .30); color: #b91c1c; }
:root[data-theme="dark"] .cwi-verdict.is-ok { color: #4ade80; }
:root[data-theme="dark"] .cwi-verdict.is-warn { color: #fbbf24; }
:root[data-theme="dark"] .cwi-verdict.is-bad { color: #f87171; }

.cwi-break { margin-top: 12px; display: grid; gap: 6px; }
.cwi-break-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    background: var(--cwi-soft);
    border-radius: 9px;
    padding: 8px 12px;
}
.cwi-break-row span { color: var(--cwi-muted); }
.cwi-break-row b { font-variant-numeric: tabular-nums; }

/* ---------- 技巧 ---------- */
.cwi-tips {
    background: var(--cwi-card);
    border: 1px solid var(--cwi-line);
    border-radius: 18px;
    padding: 18px 20px;
    box-shadow: var(--cwi-shadow);
}
.cwi-tips h2 { font-size: 16px; font-weight: 800; margin: 0 0 13px; }
.cwi-tips-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cwi-tip {
    display: flex;
    gap: 10px;
    background: var(--cwi-soft);
    border: 1px solid var(--cwi-line);
    border-radius: 12px;
    padding: 11px 12px;
}
.cwi-tip span { font-size: 20px; flex: none; }
.cwi-tip b { display: block; font-size: 13px; margin-bottom: 3px; }
.cwi-tip i { font-style: normal; font-size: 11.5px; line-height: 1.65; color: var(--cwi-muted); display: block; }

/* ---------- 底部：口径说明表 ---------- */
.neo-note-table { width: 100%; border-collapse: collapse; }
.neo-note-table th,
.neo-note-table td {
    text-align: left;
    padding: 11px 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--cwi-line) 70%, transparent);
    font-size: 13.5px;
    line-height: 1.75;
    vertical-align: top;
}
.neo-note-table th { width: 104px; font-weight: 800; color: var(--cwi-blue); white-space: nowrap; }
.neo-note-table td { color: var(--cwi-text); }
.neo-note-table td b { color: var(--cwi-blue); }
.neo-usage { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.neo-usage li { font-size: 14px; line-height: 1.9; color: var(--cwi-muted); }
.neo-usage li b { color: var(--cwi-text); }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
    .cwi-layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .cwi-frow { grid-template-columns: 1fr; }
    .cwi-tips-grid { grid-template-columns: 1fr; }
    .cwi-tank-body { width: 90px; height: 200px; }
}