:root {
    --pink: #ff4db8;
    --pink-hot: #ff2d9b;
    --pink-soft: #ff9ad4;
    --violet: #c44dff;
    --glass-strong: rgba(10, 4, 16, 0.30);
    --line: rgba(255, 77, 184, 0.5);
    --text: #fff6fb;
    --muted: rgba(255, 230, 245, 0.72);
    --danger: #ff6b8a;
    --font-ui: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-display: "ZCOOL XiaoWei", "Noto Sans SC", serif;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
}
body {
    font-family: var(--font-ui);
    color: var(--text);
    background: #0a050c;
}

.page-bg {
    position: fixed;
    inset: 0;
    background: url("../img/hero-bg.jpg") center top / cover no-repeat;
    z-index: 0;
}
@media (orientation: portrait) {
    .page-bg {
        background-image: url("../img/hero-bg-portrait.jpg");
        background-position: center center;
    }
}
.page-veil {
    position: fixed;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(8, 2, 12, 0.28) 0%, rgba(8, 2, 12, 0.45) 35%, rgba(8, 2, 12, 0.86) 100%);
    z-index: 1;
    pointer-events: none;
}

.shell {
    position: relative;
    z-index: 3;
    width: min(100% - 24px, 920px);
    height: 100dvh;
    margin: 0 auto;
    padding: 10px 0 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-shrink: 0;
}
.brand-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 4.5vw, 1.85rem);
    letter-spacing: 0.04em;
    background: linear-gradient(120deg, #fff, var(--pink-soft), var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 10px rgba(255, 45, 155, 0.45));
}
.brand-sub {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.75rem;
}
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.email-banner {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 45, 155, 0.16);
    font-size: 0.8rem;
    flex-shrink: 0;
}
.email-banner[hidden] {
    display: none !important;
}

.module-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    flex-shrink: 0;
}
.module-tab {
    border: 1.5px solid rgba(255, 90, 200, 0.5);
    background: rgba(16, 6, 20, 0.30);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    color: inherit;
    border-radius: 14px;
    padding: 8px 6px;
    cursor: pointer;
    text-align: center;
}
.module-tab strong { display: block; font-size: 0.92rem; }
.module-tab small { color: var(--muted); font-size: 0.7rem; }
.module-tab.active,
.module-tab:hover {
    border-color: #ff7acc;
    box-shadow: 0 0 0 1px rgba(255, 77, 184, 0.25), 0 8px 22px rgba(255, 45, 155, 0.22);
}

.workspace {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    border-radius: 18px;
    border: 1px solid rgba(255, 100, 200, 0.4);
    background: var(--glass-strong);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}
.workspace-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 120, 200, 0.18);
    flex-shrink: 0;
    background: rgba(0, 0, 0, 0.10);
}
.workspace-head h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: #ffd7ef;
}
.workspace-head p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 0.78rem;
}
.coin-pill {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    padding: 5px 9px;
    border-radius: 999px;
    border: 1px solid rgba(255, 90, 200, 0.55);
    background: rgba(255, 45, 155, 0.14);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
}
.coin-pill strong { color: var(--pink-soft); font-size: 0.95rem; }
.coin-pill span { font-size: 0.72rem; color: var(--muted); }

.workspace-body {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.panel {
    display: none;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}
.panel.active { display: flex; }

/* Only chat scrolls — page itself never scrolls */
.chat-log {
    flex: 1 1 auto;
    min-height: 0;
    padding: 12px;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    -webkit-overflow-scrolling: touch;
}
.msg {
    max-width: min(92%, 520px);
    padding: 9px 11px;
    border-radius: 14px;
    line-height: 1.45;
    font-size: 0.88rem;
    white-space: pre-wrap;
    word-break: break-word;
}
.msg.user {
    align-self: flex-end;
    background: linear-gradient(135deg, rgba(255, 45, 155, 0.55), rgba(160, 40, 180, 0.45));
}
.msg.ai {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 150, 220, 0.2);
}
.msg img,
.msg video {
    display: block;
    width: 100%;
    max-width: min(100%, 380px);
    max-height: 42vh;
    object-fit: contain;
    border-radius: 12px;
    margin-top: 8px;
    background: rgba(0, 0, 0, 0.25);
}

.composer {
    flex-shrink: 0;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(255, 120, 200, 0.18);
    display: grid;
    gap: 6px;
    background: rgba(0, 0, 0, 0.16);
}
.composer textarea {
    width: 100%;
    resize: none;
    min-height: 52px;
    max-height: 72px;
    border-radius: 12px;
    border: 1px solid rgba(255, 120, 200, 0.35);
    background: rgba(20, 6, 24, 0.75);
    color: var(--text);
    padding: 9px 11px;
    font: inherit;
    outline: none;
}
.composer textarea:focus {
    border-color: var(--pink);
    box-shadow: 0 0 0 3px rgba(255, 45, 155, 0.18);
}
.composer-tools { display: flex; }
.composer-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}
.composer-row textarea { flex: 1; min-width: 0; }

/* upload left | prompt center | generate right */
.media-row {
    align-items: center;
}
.upload-group {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    align-items: center;
}
.note {
    margin: 0;
    color: var(--muted);
    font-size: 0.74rem;
}

.seg {
    display: inline-flex;
    gap: 4px;
    padding: 3px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
}
.seg-btn {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 6px 11px;
    border-radius: 999px;
    cursor: pointer;
    font: inherit;
    font-size: 0.8rem;
}
.seg-btn.active {
    background: linear-gradient(135deg, var(--pink-hot), var(--violet));
    color: white;
}

.thumb {
    width: 56px;
    cursor: pointer;
    text-align: center;
    flex-shrink: 0;
}
.thumb img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px dashed rgba(255, 140, 210, 0.55);
    background: rgba(255, 255, 255, 0.04);
    display: block;
}
.thumb span {
    display: block;
    margin-top: 2px;
    font-size: 0.65rem;
    color: var(--muted);
    line-height: 1.1;
}

.btn-primary, .btn-ghost, .btn-danger, .btn-text {
    font: inherit;
    cursor: pointer;
    border-radius: 12px;
}
.btn-primary {
    border: 0;
    color: white;
    background: linear-gradient(135deg, #ff2d9b, #c44dff);
    padding: 10px 14px;
    box-shadow: 0 8px 20px rgba(255, 45, 155, 0.3);
}
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary.wide { width: 100%; }
.generate-btn {
    flex-shrink: 0;
    min-width: 68px;
    border-radius: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    align-self: stretch;
}
.btn-ghost {
    border: 1px solid rgba(255, 120, 200, 0.45);
    background: rgba(20, 6, 24, 0.45);
    color: var(--text);
    padding: 7px 11px;
    font-size: 0.84rem;
}
.btn-danger {
    border: 1px solid rgba(255, 100, 130, 0.5);
    background: rgba(80, 10, 30, 0.45);
    color: #ffd0da;
    padding: 7px 11px;
}
.btn-text {
    border: 0;
    background: transparent;
    color: var(--pink-soft);
    text-decoration: underline;
    padding: 0;
}

.loading {
    display: none;
    position: absolute;
    inset: 0;
    align-items: center;
    justify-content: center;
    background: rgba(8, 2, 12, 0.62);
    backdrop-filter: blur(2px);
    z-index: 5;
}
.loading.active { display: flex; }
.loading p { margin: 0; color: var(--pink-soft); }
.loading.active p::after {
    content: '...';
    display: inline-block;
    overflow: hidden;
    width: 0;
    animation: ellipsis 1.25s steps(4, end) infinite;
}
@keyframes ellipsis { to { width: 1.2em; } }

.site-footer {
    flex-shrink: 0;
    text-align: center;
    color: var(--muted);
    font-size: 0.7rem;
    line-height: 1.35;
    padding: 2px 0 4px;
}
.site-footer p { margin: 0; }
.site-footer .legal {
    margin-top: 2px;
    font-size: 0.62rem;
    opacity: 0.75;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal[hidden] { display: none !important; }
.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 14px;
    background: rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(4px);
    overflow: auto;
}
.modal-card {
    position: relative;
    width: min(100%, 420px);
    max-height: min(90dvh, 720px);
    overflow: auto;
    padding: 20px 16px 16px;
    border-radius: 18px;
    border: 1px solid rgba(255, 100, 200, 0.4);
    background: linear-gradient(180deg, rgba(36, 10, 30, 0.96), rgba(12, 4, 18, 0.98));
}
.modal-wide { width: min(100%, 720px); }
.modal-card h3 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 1.3rem;
}
.modal-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
}
.modal-card label {
    display: grid;
    gap: 6px;
    margin-bottom: 10px;
    font-size: 0.86rem;
    color: var(--muted);
}
.modal-card input {
    border-radius: 12px;
    border: 1px solid rgba(255, 120, 200, 0.35);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    padding: 10px 12px;
    font: inherit;
}
.hint, .muted { color: var(--muted); font-size: 0.84rem; }
.form-link, .form-switch { font-size: 0.86rem; color: var(--muted); }
.form-link a, .form-switch a { color: var(--pink-soft); }
.form-feedback {
    min-height: 1.2em;
    margin: 0 0 8px;
    font-size: 0.84rem;
    color: var(--danger);
}
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 14px;
}
.coin-lg { font-size: 1.3rem; color: var(--pink-soft); margin: 0; }
.profile-actions { display: grid; gap: 8px; }
.invite-box {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 120, 200, 0.2);
}
.invite-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.invite-row p {
    margin: 0;
    flex: 1;
    min-width: 0;
    word-break: break-all;
    font-size: 0.84rem;
}
.btn-copy {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid rgba(255, 120, 200, 0.45);
    background: rgba(20, 6, 24, 0.45);
    color: var(--pink-soft);
    cursor: pointer;
    padding: 0;
}
.btn-copy:hover {
    border-color: var(--pink);
    background: rgba(255, 45, 155, 0.16);
}
.btn-ghost:disabled,
.btn-ghost.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    color: rgba(255, 230, 245, 0.45);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(40, 40, 48, 0.45);
    pointer-events: none;
}
.list-scroll {
    max-height: 50dvh;
    overflow: auto;
    display: grid;
    gap: 8px;
}
.tx-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.86rem;
}
.tx-row .amt-pos { color: #8dffb4; }
.tx-row .amt-neg { color: #ff9db8; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}
.gallery-grid img, .gallery-grid video {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px;
}
.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 120, 200, 0.4);
    background: rgba(20, 6, 24, 0.55);
    cursor: pointer;
    font-size: 0.84rem;
}
.user-chip .chip-label {
    color: var(--text);
    font-weight: 600;
}
.user-chip .coins {
    color: var(--pink-soft);
    font-weight: 700;
}

@media (max-width: 720px) {
    .shell {
        width: min(100% - 12px, 920px);
        padding-top: 6px;
        gap: 6px;
    }
    .brand-sub { display: none; }
    .site-footer .legal { display: none; }
    .module-tab { padding: 7px 4px; }
    .module-tab strong { font-size: 0.84rem; }
    .thumb { width: 48px; }
    .thumb img { width: 48px; height: 48px; }
    .generate-btn { min-width: 58px; padding: 8px 10px; }
    .composer textarea { min-height: 48px; }
    .media-row {
        align-items: center;
    }
    .profile-grid { grid-template-columns: 1fr; }
}