/* ===== 鮮乳日常計劃 — 風格參考主視覺：奶油底色 + 草地綠 ===== */
:root {
    --cream: #f7f1dd;
    --cream-deep: #efe6c6;
    --paper: #fffdf5;
    --green: #34a04a;
    --green-deep: #2b7d3a;
    --green-soft: #7bc47f;
    --green-mint: #d4ebcf;
    --sky: #bfe2ef;
    --ink: #4a4233;
    --ink-soft: #7a6f5c;
    --shadow: rgba(74, 66, 51, 0.18);
    --accent: var(--green);
}

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

html,
body {
    height: 100%;
    font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

body {
    background:
        radial-gradient(120% 80% at 50% -10%, #fcf7e6 0%, var(--cream) 45%, var(--cream-deep) 100%);
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: stretch;
}

/* decorative grass-dot texture */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(123, 196, 127, 0.25) 1.5px, transparent 1.6px);
    background-size: 26px 26px;
    opacity: 0.4;
    z-index: 0;
}

.app {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    min-height: 100dvh;
    background: var(--cream);
    box-shadow: 0 0 60px rgba(74, 66, 51, 0.12);
    overflow: hidden;
}

/* ===== Screens ===== */
.screen {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    padding: 28px 22px 36px;
    animation: fade 0.45s ease;
}

.screen.is-active {
    display: flex;
}

@keyframes fade {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Buttons ===== */
.btn {
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    border-radius: 999px;
    padding: 15px 44px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.btn:active {
    transform: scale(0.96);
}

.btn--primary {
    background: var(--green);
    color: #fff;
    box-shadow: 0 8px 0 var(--green-deep), 0 12px 18px rgba(43, 125, 58, 0.28);
}

.btn--primary:hover {
    background: #3aae53;
}

.btn--primary:active {
    box-shadow: 0 3px 0 var(--green-deep), 0 5px 10px rgba(43, 125, 58, 0.28);
    transform: translateY(4px) scale(0.98);
}

.btn--ghost {
    background: #fff;
    color: var(--green-deep);
    border: 2px solid var(--green-soft);
    box-shadow: 0 4px 10px rgba(74, 66, 51, 0.1);
}

.btn--ghost:hover {
    background: var(--green-mint);
}

/* ===== P1 Landing ===== */
.intro-card {
    text-align: center;
    width: 100%;
    max-width: 420px;
    animation: fade 0.6s ease;
}

.intro-badge {
    display: inline-block;
    background: var(--green);
    color: #fff;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.05em;
    padding: 7px 18px;
    border-radius: 999px;
    margin-bottom: 18px;
    box-shadow: 0 4px 10px rgba(43, 125, 58, 0.25);
}

.intro-visual {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 14px 30px var(--shadow);
    border: 4px solid #fff;
    margin-bottom: 22px;
    line-height: 0;
    height: 300px;
}

.intro-visual img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center 38%;
}

.intro-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--green-deep);
    letter-spacing: 0.06em;
    line-height: 1.1;
    text-shadow: 2px 3px 0 rgba(255, 255, 255, 0.8);
}

.intro-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--green);
    margin: 6px 0 16px;
    letter-spacing: 0.14em;
}

.intro-desc {
    color: var(--ink-soft);
    font-size: 0.98rem;
    line-height: 1.85;
    margin-bottom: 28px;
}

.intro-card .btn {
    width: 100%;
    max-width: 280px;
}

/* ===== P2 Situation ===== */
.situation-card {
    text-align: center;
    background: var(--paper);
    border-radius: 28px;
    padding: 46px 30px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 16px 36px var(--shadow);
    border: 3px solid #fff;
    position: relative;
}

.situation-deco {
    font-size: 3rem;
    margin-bottom: 8px;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.situation-title {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--green-deep);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.situation-desc {
    color: var(--ink-soft);
    font-size: 1.02rem;
    line-height: 2;
    margin-bottom: 32px;
}

.situation-card .btn {
    width: 100%;
    max-width: 260px;
}

/* ===== Quiz ===== */
.screen--quiz {
    justify-content: flex-start;
    padding-top: 40px;
}

.quiz-card {
    width: 100%;
    max-width: 430px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quiz-progress {
    margin-bottom: 22px;
}

.quiz-progress__bar {
    height: 12px;
    background: var(--cream-deep);
    border-radius: 999px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(74, 66, 51, 0.12);
}

.quiz-progress__bar span {
    display: block;
    height: 100%;
    width: 12.5%;
    background: linear-gradient(90deg, var(--green-soft), var(--green));
    border-radius: 999px;
    transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.quiz-progress__text {
    text-align: right;
    font-weight: 700;
    color: var(--green-deep);
    font-size: 0.9rem;
    margin-top: 8px;
    letter-spacing: 0.08em;
}

.quiz-question {
    font-size: 1.42rem;
    font-weight: 900;
    line-height: 1.5;
    color: var(--ink);
    margin: 10px 4px 26px;
    letter-spacing: 0.02em;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.option {
    text-align: left;
    background: var(--paper);
    border: 2px solid var(--cream-deep);
    border-radius: 18px;
    padding: 17px 20px;
    font-size: 1.02rem;
    font-weight: 500;
    color: var(--ink);
    cursor: pointer;
    font-family: inherit;
    line-height: 1.5;
    box-shadow: 0 5px 12px rgba(74, 66, 51, 0.08);
    transition: transform 0.14s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
    display: flex;
    align-items: center;
    gap: 14px;
    animation: fade 0.35s ease backwards;
}

.option__dot {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--green-soft);
    background: #fff;
    transition: background 0.18s ease, border-color 0.18s ease;
}

.option:hover {
    border-color: var(--green-soft);
    background: #fff;
    transform: translateX(4px);
}

.option.is-selected {
    border-color: var(--green);
    background: var(--green-mint);
    box-shadow: 0 6px 16px rgba(43, 125, 58, 0.22);
}

.option.is-selected .option__dot {
    background: var(--green);
    border-color: var(--green);
    box-shadow: inset 0 0 0 3px #fff;
}

.quiz-back {
    align-self: flex-start;
    margin-top: 22px;
    background: none;
    border: none;
    color: var(--ink-soft);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    padding: 8px 4px;
    visibility: hidden;
}

.quiz-back.is-visible {
    visibility: visible;
}

.quiz-back:hover {
    color: var(--green-deep);
}

/* ===== Loading ===== */
.loading-inner {
    text-align: center;
}

.loading-cup {
    font-size: 4rem;
    animation: bob 1s ease-in-out infinite;
    display: inline-block;
}

@keyframes bob {

    0%,
    100% {
        transform: translateY(0) rotate(-6deg);
    }

    50% {
        transform: translateY(-14px) rotate(6deg);
    }
}

.loading-text {
    margin-top: 18px;
    font-weight: 700;
    color: var(--green-deep);
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}

/* ===== Result ===== */
.screen--result {
    justify-content: flex-start;
    padding-top: 28px;
}

.result-card {
    width: 100%;
    max-width: 430px;
    background: var(--paper);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 18px 40px var(--shadow);
    border: 3px solid #fff;
}

.result-hero {
    text-align: center;
    padding: 30px 24px 26px;
    background: var(--accent);
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0));
    color: #fff;
    position: relative;
}

.result-eyebrow {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    opacity: 0.92;
}

.result-name {
    font-size: 2.1rem;
    font-weight: 900;
    margin: 4px 0 2px;
    letter-spacing: 0.06em;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.result-en {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    opacity: 0.85;
    margin-bottom: 16px;
}

.result-image {
    width: 220px;
    max-width: 70%;
    margin: 0 auto 14px;
    line-height: 0;
    filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.18));
}

.result-image img {
    width: 100%;
    display: block;
}

.result-quote {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

.result-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.result-tags span {
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 5px 13px;
    border-radius: 999px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.result-section {
    padding: 22px 26px 4px;
}

.result-h3 {
    font-size: 1.12rem;
    font-weight: 900;
    color: var(--green-deep);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-h3::before {
    content: "";
    width: 8px;
    height: 22px;
    border-radius: 6px;
    background: var(--accent);
    display: inline-block;
}

.result-about {
    color: var(--ink-soft);
    line-height: 1.85;
    font-size: 0.98rem;
}

.result-radar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.result-radar span {
    background: var(--cream);
    border: 2px solid var(--green-mint);
    border-radius: 14px;
    padding: 12px 10px;
    text-align: center;
    font-weight: 700;
    color: var(--green-deep);
    font-size: 0.96rem;
    position: relative;
}

.result-radar span::before {
    content: "✔ ";
    color: var(--green);
}

.result-knowledge {
    padding-bottom: 24px;
}

.result-know-text {
    background: var(--cream);
    border-radius: 16px;
    padding: 16px 18px;
    color: var(--ink-soft);
    line-height: 1.85;
    font-size: 0.94rem;
    border-left: 5px solid var(--accent);
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 26px 18px;
}

.result-actions .btn {
    width: 100%;
}

.result-footer {
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    padding: 0 20px 26px;
    opacity: 0.8;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%) translateY(20px);
    background: var(--ink);
    color: #fff;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 50;
}

.toast.is-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 380px) {
    .intro-title {
        font-size: 2.1rem;
    }

    .quiz-question {
        font-size: 1.28rem;
    }

    .result-name {
        font-size: 1.8rem;
    }
}