@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&family=DM+Sans:wght@400;500;600&display=swap');

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

:root {
    --ink: #0f2f28;
    --ink-deep: #0a221c;
    --jade: #1f6b57;
    --jade-soft: #2d8a70;
    --gold: #b8955a;
    --gold-soft: #d4b57a;
    --paper: #f3f6f4;
    --line: #d7e0db;
    --muted: #6b7c75;
    --text: #1a2a25;
}

body {
    font-family: 'DM Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    height: 100vh;
    overflow: hidden;
    background: var(--paper);
    color: var(--text);
}

.page {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    height: 100vh;
}

.left {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 48px 56px 56px;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(45, 138, 112, .35), transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 80%, rgba(184, 149, 90, .18), transparent 50%),
        linear-gradient(160deg, var(--ink-deep) 0%, var(--ink) 45%, #143d34 100%);
    color: #fff;
    overflow: hidden;
}

.left::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 40% 40%, #000 20%, transparent 75%);
    pointer-events: none;
}

.left-ornament {
    position: absolute;
    top: 36px;
    right: 40px;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(212, 181, 122, .35);
    border-radius: 50%;
    opacity: .7;
    animation: pulse-ring 6s ease-in-out infinite;
}

.left-ornament::after {
    content: '';
    position: absolute;
    inset: 14px;
    border: 1px dashed rgba(212, 181, 122, .45);
    border-radius: 50%;
}

.play-motif {
    position: absolute;
    top: 28%;
    left: 50%;
    transform: translateX(-50%);
    width: min(320px, 70%);
    aspect-ratio: 16 / 10;
    border-radius: 18px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02)),
        rgba(0, 0, 0, .22);
    border: 1px solid rgba(255, 255, 255, .12);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
    animation: float-card 5.5s ease-in-out infinite;
}

.play-motif .ring {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid rgba(212, 181, 122, .75);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 47, 40, .55);
}

.play-motif .ring::before {
    content: '';
    width: 0;
    height: 0;
    margin-left: 4px;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent var(--gold-soft);
}

.brand-block {
    position: relative;
    z-index: 2;
    max-width: 480px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font-family: 'Noto Serif SC', serif;
    font-size: 15px;
    letter-spacing: .28em;
    color: var(--gold-soft);
}

.brand-mark i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 0 4px rgba(184, 149, 90, .2);
}

.brand-block h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: .06em;
    margin-bottom: 14px;
}

.brand-block p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .72);
    max-width: 380px;
}

.brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.brand-tags span {
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: .08em;
    color: rgba(255, 255, 255, .78);
    background: rgba(255, 255, 255, .04);
}

.right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    background:
        radial-gradient(circle at 90% 10%, rgba(31, 107, 87, .08), transparent 40%),
        var(--paper);
}

.form-box {
    width: 100%;
    max-width: 400px;
}

.form-box .header {
    margin-bottom: 36px;
}

.form-box .header .eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: .18em;
    color: var(--jade);
    font-weight: 600;
}

.form-box .header h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 8px;
    color: var(--ink);
}

.form-box .header p {
    color: var(--muted);
    font-size: 14px;
}

.form-box .header .demo {
    margin-top: 8px;
    font-size: 13px;
    color: var(--jade-soft);
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--muted);
}

.field input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    background: #fff;
    color: var(--text);
}

.field input:focus {
    border-color: var(--jade);
    box-shadow: 0 0 0 3px rgba(31, 107, 87, .12);
}

.field .input-wrap {
    position: relative;
}

.field .input-wrap input {
    padding-right: 44px;
}

.toggle-pw {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    background: none;
    border: none;
    cursor: pointer;
    color: #9aa8a2;
    transition: color .2s;
    padding: 4px;
}

.toggle-pw:hover {
    color: var(--jade);
}

.toggle-pw svg {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.row .remember {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    color: var(--muted);
}

.row .remember input[type='checkbox'] {
    width: 16px;
    height: 16px;
    accent-color: var(--jade);
    cursor: pointer;
}

.row a {
    font-size: 14px;
    font-weight: 500;
    color: var(--jade);
    text-decoration: none;
}

.row a:hover {
    text-decoration: underline;
}

.hover-btn {
    position: relative;
    width: 100%;
    height: 48px;
    border-radius: 10px;
    border: 0;
    background: linear-gradient(135deg, var(--jade-soft), var(--ink));
    cursor: pointer;
    overflow: hidden;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    letter-spacing: .12em;
    box-shadow: 0 10px 24px rgba(31, 107, 87, .28);
    transition: transform .2s, box-shadow .2s;
}

.hover-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(31, 107, 87, .34);
}

.hover-btn .label {
    display: inline-block;
}

.hover-btn .overlay {
    display: none;
}

.validateImg {
    height: 48px;
    border-radius: 8px;
    cursor: pointer;
}

.footer {
    left: 0;
    bottom: 0;
    color: rgba(255, 255, 255, .55);
    width: 100%;
    position: fixed;
    text-align: center;
    line-height: 30px;
    padding-bottom: 10px;
    font-size: 12px;
    pointer-events: none;
    z-index: 5;
}

.footer a,
.footer span {
    color: rgba(255, 255, 255, .55);
}

.padding-5 {
    padding: 5px !important;
}

@keyframes float-card {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: .7; }
    50% { transform: scale(1.06); opacity: 1; }
}

@media (max-width: 1024px) {
    body {
        height: auto;
        overflow: auto;
    }

    .page {
        grid-template-columns: 1fr;
        height: auto;
        min-height: 100vh;
    }

    .left {
        min-height: 42vh;
        padding: 32px 24px 40px;
        justify-content: flex-end;
    }

    .play-motif {
        top: 18%;
        width: min(240px, 62%);
    }

    .brand-block h2 {
        font-size: 28px;
    }

    .right {
        padding: 28px 20px 56px;
    }

    .form-box .header {
        margin-bottom: 24px;
    }

    .footer {
        color: var(--muted);
        position: relative;
        padding: 16px 0 24px;
    }

    .footer a,
    .footer span {
        color: var(--muted);
    }
}