/* ═══════════════════════════════════════════
   森多製果 — 留言抽獎工具　樣式表
   ═══════════════════════════════════════════ */

/* ── 設計變數 ─────────────────────────────── */
:root {
    --green-950: #0a2410;
    --green-900: #123a1c;
    --green-700: #1e5c2b;
    --green-500: #3d8248;
    --green-300: #8ec097;
    --green-100: #dcead9;

    --plum: #6b4a72;
    --gold: #c9a227;
    --gold-lite: #f0dca4;
    --gold-glow: rgba(201, 162, 39, 0.45);
    --red: #a73a3a;

    --paper: #f3f6ef;
    --ink: #1c2f1e;
    --ink-soft: #63805f;

    --panel: linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.8));
    --field: rgba(255, 255, 255, 0.86);
    --hair: rgba(18, 58, 28, 0.12);

    --sh-sm: 0 2px 10px rgba(10, 36, 16, 0.06);
    --sh-md: 0 14px 34px -12px rgba(10, 36, 16, 0.28);
    --sh-lg: 0 44px 90px -38px rgba(10, 36, 16, 0.55);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100svh;
    padding: 40px 18px 30px;
    font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    color: var(--ink);
    background-color: var(--paper);
    /* 背景改成單層漸層即可，不用 fixed，捲動時才不會整頁重繪 */
    background-image:
        radial-gradient(1100px 760px at 4% -10%, rgba(142, 192, 151, 0.5), transparent 58%),
        radial-gradient(820px 600px at 106% 2%, rgba(107, 74, 114, 0.2), transparent 60%),
        linear-gradient(180deg, #f8fbf4 0%, #eaf0e4 100%);
    overflow-x: hidden;
}

/* ── 背景裝飾（靜態光暈，畫一次就好） ─────── */
.orb {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    filter: blur(85px);
}

.orb-1 {
    width: 380px;
    height: 380px;
    top: -150px;
    left: -140px;
    background: radial-gradient(circle, rgba(142, 192, 151, 0.85), transparent 70%);
}

.orb-2 {
    width: 460px;
    height: 460px;
    bottom: -200px;
    right: -170px;
    background: radial-gradient(circle, rgba(107, 74, 114, 0.45), transparent 70%);
}

#confetti {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 60;
}

/* ── 版面 ─────────────────────────────────── */
.wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* ── 頁首 ─────────────────────────────────── */
.page-head {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 2px 6px;
    animation: rise 0.75s var(--ease) both;
}

.mini-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: contain;
    padding: 7px;
    background: #fff;
    border: 1px solid rgba(201, 162, 39, 0.35);
    box-shadow: 0 12px 28px -10px rgba(10, 36, 16, 0.55),
        0 0 0 6px rgba(255, 255, 255, 0.45);
    transition: transform 0.6s var(--ease);
}

.mini-logo:hover {
    transform: rotate(-6deg) scale(1.06);
}

.eyebrow {
    font-family: "Cormorant Garamond", serif;
    font-style: italic;
    font-size: 0.88rem;
    letter-spacing: 0.24em;
    color: var(--gold);
}

.page-head h1 {
    font-family: "Noto Serif TC", serif;
    font-weight: 900;
    font-size: clamp(1.7rem, 6vw, 2.1rem);
    margin: 2px 0 0;
    letter-spacing: 0.12em;
    background: linear-gradient(100deg,
            var(--green-950) 0%,
            var(--green-700) 28%,
            var(--gold) 50%,
            var(--green-700) 72%,
            var(--green-950) 100%);
    background-size: 250% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--green-900);
    /* 進場時金光掃過一次就停，不做無限循環，才不會一直吃效能 */
    animation: sheen 1.6s var(--ease) 0.35s 1 both;
}

@keyframes sheen {
    from {
        background-position: 145% 0;
    }

    to {
        background-position: 50% 0;
    }
}

.post-link {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: var(--green-700);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--hair);
    border-radius: 999px;
    box-shadow: var(--sh-sm);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
        border-color 0.3s ease;
}

.post-link:hover {
    transform: translateY(-2px);
    border-color: rgba(201, 162, 39, 0.5);
    box-shadow: var(--sh-md);
}

.post-link svg {
    width: 15px;
    height: 15px;
}

/* ── 面板 ─────────────────────────────────── */
.panel {
    position: relative;
    padding: 26px 24px;
    background: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 28px;
    box-shadow: var(--sh-lg), inset 0 1px 0 rgba(255, 255, 255, 0.95);
    animation: rise 0.75s var(--ease) both;
}

/* 內側金色細線 */
.panel::after {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid rgba(201, 162, 39, 0.16);
    border-radius: 21px;
    pointer-events: none;
}

.panel:nth-of-type(1) {
    animation-delay: 0.06s;
}

.panel:nth-of-type(2) {
    animation-delay: 0.13s;
}

.panel:nth-of-type(3) {
    animation-delay: 0.2s;
}

.panel-head {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 18px;
}

.panel-head h2 {
    font-family: "Noto Serif TC", serif;
    font-size: 1.14rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin: 0;
    color: var(--green-900);
}

.step {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    font-family: "Cormorant Garamond", serif;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--gold-lite);
    background: linear-gradient(140deg, var(--green-700), var(--green-950));
    border: 1px solid rgba(240, 220, 164, 0.4);
    border-radius: 50%;
    box-shadow: 0 6px 14px -5px rgba(10, 36, 16, 0.7);
}

/* ── 分頁 ─────────────────────────────────── */
.tabs {
    display: flex;
    gap: 5px;
    padding: 5px;
    margin-bottom: 16px;
    background: rgba(18, 58, 28, 0.055);
    border-radius: 16px;
}

.tab {
    flex: 1;
    padding: 10px;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    background: transparent;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

.tab.is-active {
    color: var(--green-900);
    font-weight: 700;
    background: #fff;
    box-shadow: var(--sh-sm);
}

.tab-panel {
    display: none;
}

.tab-panel.is-active {
    display: block;
    animation: rise 0.4s var(--ease) both;
}

/* ── 表單元件 ─────────────────────────────── */
.hint {
    margin: 0 0 11px;
    font-size: 0.81rem;
    line-height: 1.8;
    color: var(--ink-soft);
}

.hint code {
    padding: 1px 6px;
    font-size: 0.92em;
    background: rgba(18, 58, 28, 0.07);
    border-radius: 6px;
}

textarea,
input[type="number"] {
    width: 100%;
    padding: 13px 15px;
    font: inherit;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--ink);
    background: var(--field);
    border: 1px solid var(--hair);
    border-radius: 16px;
    resize: vertical;
    box-shadow: inset 0 2px 6px rgba(10, 36, 16, 0.04);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

textarea:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 4px rgba(61, 130, 72, 0.13);
}

textarea::placeholder {
    color: rgba(99, 128, 95, 0.55);
}

.field {
    display: block;
    margin-top: 16px;
}

.field-label {
    display: block;
    margin-bottom: 7px;
    font-size: 0.77rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

.field-inline {
    margin: 0;
    flex: 0 0 118px;
}

.field-inline input {
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 14px 10px;
}

.row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.row-opts {
    margin-top: 0;
    margin-bottom: 12px;
}

.row-draw {
    align-items: flex-end;
    margin-top: 0;
}

.check {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 14px 8px 11px;
    font-size: 0.81rem;
    color: var(--ink-soft);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--hair);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.check:hover {
    border-color: rgba(61, 130, 72, 0.35);
}

.check input {
    width: 16px;
    height: 16px;
    accent-color: var(--green-500);
    cursor: pointer;
}

/* ── 按鈕 ─────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font: inherit;
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    border: 1px solid transparent;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
        background 0.3s ease, border-color 0.3s ease;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn:focus-visible {
    outline: 2px solid var(--green-700);
    outline-offset: 3px;
}

.btn-primary {
    color: #f4faf3;
    background: linear-gradient(135deg, var(--green-700), var(--green-950));
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 14px 30px -14px rgba(10, 36, 16, 0.9);
}

.btn-primary:hover {
    box-shadow: 0 20px 36px -14px rgba(10, 36, 16, 0.95);
    border-color: rgba(240, 220, 164, 0.4);
}

.btn-ghost {
    color: var(--green-700);
    background: rgba(255, 255, 255, 0.92);
    border-color: var(--hair);
    box-shadow: var(--sh-sm);
}

.btn-ghost:hover {
    border-color: rgba(61, 130, 72, 0.35);
    box-shadow: var(--sh-md);
}

.btn-sm {
    margin-left: auto;
    padding: 9px 15px;
    font-size: 0.77rem;
}

.btn-mini {
    padding: 8px 13px;
    font-size: 0.74rem;
    color: var(--green-700);
    background: rgba(255, 255, 255, 0.93);
    border-color: var(--hair);
    box-shadow: var(--sh-sm);
}

.btn-mini:hover {
    border-color: rgba(201, 162, 39, 0.45);
}

/* 抽獎主按鈕 —— 金色 */
.btn-draw {
    position: relative;
    flex: 1;
    min-width: 200px;
    padding: 17px 24px;
    font-size: 1.02rem;
    letter-spacing: 0.16em;
    text-indent: 0.16em;
    color: var(--green-950);
    background: linear-gradient(135deg, #fff6d8 0%, var(--gold-lite) 42%, #d9b13c 100%);
    border-color: rgba(255, 255, 255, 0.6);
    border-radius: 18px;
    box-shadow: 0 18px 38px -14px rgba(201, 162, 39, 0.85),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.btn-draw:hover {
    box-shadow: 0 22px 50px -14px rgba(201, 162, 39, 1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.btn-draw svg {
    width: 19px;
    height: 19px;
    color: var(--green-700);
}

.btn-draw:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ── 名單 chips ───────────────────────────── */
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
    padding: 15px;
    background: rgba(18, 58, 28, 0.03);
    border: 1px dashed rgba(18, 58, 28, 0.16);
    border-radius: 18px;
    scrollbar-width: thin;
}

.chips::-webkit-scrollbar {
    width: 8px;
}

.chips::-webkit-scrollbar-thumb {
    background: rgba(61, 130, 72, 0.3);
    border-radius: 99px;
}

.chips .empty {
    margin: 8px auto;
    font-size: 0.82rem;
    color: var(--ink-soft);
}

/* 名單動輒好幾百個，這裡刻意不放陰影／動畫／transition，
   否則每次重畫都要付出數百倍的成本 */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 8px 7px 13px;
    font-size: 0.8rem;
    color: var(--green-900);
    background: #fff;
    border: 1px solid var(--hair);
    border-radius: 999px;
}

.chip:hover {
    border-color: rgba(61, 130, 72, 0.4);
}

.chip.is-excluded {
    color: var(--ink-soft);
    background: rgba(167, 58, 58, 0.07);
    border-color: rgba(167, 58, 58, 0.25);
    text-decoration: line-through;
}

.chip .times {
    padding: 2px 7px;
    font-size: 0.67rem;
    font-weight: 700;
    color: var(--green-950);
    background: linear-gradient(135deg, #fffaea, var(--gold-lite));
    border-radius: 999px;
}

.chip button {
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    font-size: 0.85rem;
    line-height: 1;
    color: var(--ink-soft);
    background: rgba(18, 58, 28, 0.07);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
}

.chip button:hover {
    color: #fff;
    background: var(--red);
}

.note {
    margin: 9px 0 0;
    font-size: 0.74rem;
    opacity: 0.88;
}

/* ── 抽獎滾動視窗 ─────────────────────────── */
.roller {
    position: relative;
    margin-top: 18px;
    padding: 30px 18px;
    text-align: center;
    background: linear-gradient(140deg, #16401f, #071a0d);
    border: 1px solid rgba(240, 220, 164, 0.3);
    border-radius: 20px;
    box-shadow: inset 0 3px 18px rgba(0, 0, 0, 0.55),
        0 16px 34px -18px rgba(10, 36, 16, 0.9);
    overflow: hidden;
}

/* 頂部聚光燈 */
.roller::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(240, 220, 164, 0.22), transparent 62%);
    pointer-events: none;
}

.roller span {
    position: relative;
    display: block;
    font-family: "Noto Serif TC", serif;
    font-size: clamp(1.35rem, 6.2vw, 2rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--gold-lite);
    text-shadow: 0 0 28px rgba(240, 220, 164, 0.55);
    animation: flick 0.09s steps(1) infinite;
}

@keyframes flick {

    0%,
    100% {
        opacity: 1;
        transform: translateY(0);
    }

    50% {
        opacity: 0.7;
        transform: translateY(-2px);
    }
}

/* ── 得獎結果 ─────────────────────────────── */
.results {
    margin-top: 18px;
    padding: 20px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 244, 0.82));
    border: 1px solid rgba(201, 162, 39, 0.38);
    border-radius: 20px;
    box-shadow: var(--sh-md), 0 0 0 6px rgba(201, 162, 39, 0.06);
    animation: rise 0.5s var(--ease) both;
}

.results-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.results-head h3 {
    margin: 0;
    font-family: "Noto Serif TC", serif;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    color: var(--green-900);
}

.results-actions {
    margin-left: auto;
    display: flex;
    gap: 6px;
}

/* 金色票券 */
.winner-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    counter-reset: w;
}

.winner-list li {
    position: relative;
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 14px 18px;
    font-size: 1.04rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--green-950);
    background: linear-gradient(135deg, #fffdf5 0%, #fdf3d0 55%, #f5e3ae 100%);
    border: 1px solid rgba(201, 162, 39, 0.45);
    border-radius: 16px;
    box-shadow: 0 12px 26px -16px rgba(201, 162, 39, 1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    counter-increment: w;
    overflow: hidden;
    animation: reveal 0.55s var(--bounce) both;
}

/* 票券左側齒孔 */
.winner-list li::after {
    content: "";
    position: absolute;
    top: 50%;
    left: -7px;
    width: 14px;
    height: 14px;
    background: var(--paper);
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: inset -1px 0 0 rgba(201, 162, 39, 0.3);
}

.winner-list li::before {
    content: counter(w);
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    font-family: "Cormorant Garamond", serif;
    font-size: 0.92rem;
    color: #fffdf5;
    background: linear-gradient(140deg, var(--gold), #9c780c);
    border-radius: 50%;
    box-shadow: 0 4px 10px -4px rgba(156, 120, 12, 0.9);
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateX(-18px) scale(0.94);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.stamp {
    margin: 14px 0 0;
    padding-top: 12px;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    border-top: 1px dashed rgba(18, 58, 28, 0.15);
}

/* ── 頁尾 ─────────────────────────────────── */
footer {
    margin: 4px 0 0;
    text-align: center;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--ink-soft);
}

footer .brand {
    display: block;
    margin-bottom: 5px;
    font-family: "Cormorant Garamond", serif;
    font-style: italic;
    font-size: 0.88rem;
    letter-spacing: 0.22em;
    color: var(--gold);
}

/* ── 深色模式 ─────────────────────────────── */
@media (prefers-color-scheme: dark) {
    :root {
        --ink: #e8f1e6;
        --ink-soft: #9db99a;
        --paper: #0b130c;
        --panel: linear-gradient(160deg, rgba(27, 44, 30, 0.94), rgba(15, 26, 17, 0.86));
        --field: rgba(255, 255, 255, 0.06);
        --hair: rgba(255, 255, 255, 0.1);
        --gold: #e0c060;
    }

    body {
        background-image:
            radial-gradient(1100px 760px at 4% -10%, rgba(61, 130, 72, 0.36), transparent 58%),
            radial-gradient(820px 600px at 106% 2%, rgba(107, 74, 114, 0.34), transparent 60%),
            radial-gradient(500px 400px at 88% 62%, rgba(201, 162, 39, 0.14), transparent 65%),
            linear-gradient(180deg, #0d170e 0%, #071008 100%);
    }

    .panel {
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 44px 90px -34px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }

    .panel::after {
        border-color: rgba(224, 192, 96, 0.16);
    }

    .page-head h1 {
        background: linear-gradient(100deg, #cfe8cd 0%, #8ec097 28%, #e0c060 50%, #8ec097 72%, #cfe8cd 100%);
        background-size: 250% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .mini-logo {
        box-shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.8), 0 0 0 6px rgba(255, 255, 255, 0.05);
    }

    .post-link,
    .btn-ghost,
    .btn-mini,
    .check {
        color: var(--green-300);
        background: rgba(255, 255, 255, 0.07);
    }

    .tabs {
        background: rgba(255, 255, 255, 0.05);
    }

    .tab.is-active {
        color: #fff;
        background: linear-gradient(140deg, var(--green-500), var(--green-700));
    }

    .hint code {
        background: rgba(255, 255, 255, 0.08);
    }

    .chips {
        background: rgba(255, 255, 255, 0.035);
        border-color: rgba(255, 255, 255, 0.14);
    }

    .chip {
        color: #dcead9;
        background: rgba(255, 255, 255, 0.07);
    }

    .chip button {
        color: #dcead9;
        background: rgba(255, 255, 255, 0.12);
    }

    .results {
        background: linear-gradient(160deg, rgba(32, 51, 35, 0.92), rgba(18, 30, 20, 0.78));
        border-color: rgba(224, 192, 96, 0.3);
    }

    .results-head h3 {
        color: var(--gold-lite);
    }

    .winner-list li {
        color: #fffdf5;
        background: linear-gradient(135deg, rgba(224, 192, 96, 0.26), rgba(224, 192, 96, 0.08));
        border-color: rgba(224, 192, 96, 0.42);
    }

    .winner-list li::after {
        background: #101c12;
    }

    .stamp {
        border-top-color: rgba(255, 255, 255, 0.12);
    }
}

/* ── 小螢幕 ───────────────────────────────── */
@media (max-width: 460px) {
    body {
        padding: 26px 14px 24px;
    }

    .panel {
        padding: 22px 17px;
        border-radius: 22px;
    }

    .panel::after {
        inset: 6px;
        border-radius: 17px;
    }

    .post-link {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .btn-draw {
        width: 100%;
    }

    .field-inline {
        flex: 1 1 100%;
    }

    .btn-sm {
        margin-left: 0;
    }
}

/* ── 減少動態偏好 ─────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}