/* =========================================================
   UniDivine Base Design System
   Dark / Light Theme + Shared Header/Footer/Forms/Cards
   Do NOT use this file for business-card print layout.
========================================================= */

:root {
    color-scheme: dark;

    --ud-font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

    --ud-bg: #080d18;
    --ud-bg-2: #0b1020;
    --ud-surface: rgba(255, 255, 255, 0.055);
    --ud-surface-2: rgba(255, 255, 255, 0.085);
    --ud-surface-3: rgba(255, 255, 255, 0.12);
    --ud-border: rgba(255, 255, 255, 0.12);
    --ud-border-strong: rgba(255, 255, 255, 0.2);

    --ud-text: #ffffff;
    --ud-text-soft: rgba(255, 255, 255, 0.76);
    --ud-text-muted: rgba(255, 255, 255, 0.56);

    --ud-primary: #7c3aed;
    --ud-primary-2: #a855f7;
    --ud-accent: #ff7a22;
    --ud-gold: #f6d77a;
    --ud-info: #38bdf8;
    --ud-success: #22c55e;

    --ud-radius-sm: 12px;
    --ud-radius-md: 18px;
    --ud-radius-lg: 26px;
    --ud-radius-xl: 34px;

    --ud-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
    --ud-shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.22);
    --ud-blur: blur(22px);

    --ud-container: 1180px;
    --ud-header-height: 72px;
}

:root[data-theme="light"],
body.theme-light {
    color-scheme: light;

    --ud-bg: #f7f8fc;
    --ud-bg-2: #ffffff;
    --ud-surface: rgba(255, 255, 255, 0.78);
    --ud-surface-2: rgba(255, 255, 255, 0.92);
    --ud-surface-3: #ffffff;
    --ud-border: rgba(17, 24, 39, 0.10);
    --ud-border-strong: rgba(17, 24, 39, 0.16);

    --ud-text: #0b1020;
    --ud-text-soft: rgba(11, 16, 32, 0.76);
    --ud-text-muted: rgba(11, 16, 32, 0.54);

    --ud-shadow: 0 26px 80px rgba(15, 23, 42, 0.10);
    --ud-shadow-soft: 0 16px 42px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--ud-font);
    color: var(--ud-text);
    background:
        radial-gradient(circle at 82% 6%, rgba(124, 58, 237, 0.22), transparent 26%),
        radial-gradient(circle at 78% 24%, rgba(255, 122, 34, 0.12), transparent 18%),
        radial-gradient(circle at 16% 12%, rgba(56, 189, 248, 0.10), transparent 22%),
        linear-gradient(135deg, var(--ud-bg), var(--ud-bg-2));
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.55) 1px, transparent 1.5px),
        radial-gradient(circle at 74% 7%, rgba(168, 85, 247, 0.26), transparent 18%),
        radial-gradient(ellipse at 78% 8%, rgba(255, 255, 255, 0.08), transparent 22%);
    background-size: 92px 92px, auto, auto;
    opacity: 0.18;
}

:root[data-theme="light"] body::before,
body.theme-light::before {
    background-image:
        radial-gradient(circle, rgba(124, 58, 237, 0.18) 1px, transparent 1.6px),
        radial-gradient(circle at 78% 7%, rgba(124, 58, 237, 0.18), transparent 20%),
        radial-gradient(ellipse at 78% 8%, rgba(255, 122, 34, 0.12), transparent 22%);
    opacity: 0.55;
}

a { color: inherit; }

img,
svg,
video {
    max-width: 100%;
    height: auto;
}

.ud-container,
.container,
.page-wrapper,
.dashboard,
.artist-page,
.artmeet-page {
    width: min(var(--ud-container), 100%);
    margin-inline: auto;
    padding-inline: 24px;
}

.ud-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: var(--ud-header-height);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    background: rgba(8, 13, 24, 0.74);
    backdrop-filter: var(--ud-blur);
    -webkit-backdrop-filter: var(--ud-blur);
    border-bottom: 1px solid var(--ud-border);
}

.ud-navbar-bar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    width: 100%;
}

body.theme-light .ud-navbar,
:root[data-theme="light"] .ud-navbar {
    background: rgba(255, 255, 255, 0.78);
}

.ud-timebar {
    position: relative;
    z-index: 90;
    min-height: 56px;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    background: rgba(5, 10, 20, 0.86);
    border-bottom: 1px solid var(--ud-border);
    backdrop-filter: var(--ud-blur);
    -webkit-backdrop-filter: var(--ud-blur);
}

body.theme-light .ud-timebar,
:root[data-theme="light"] .ud-timebar {
    background: rgba(255, 255, 255, 0.88);
}

.ud-timebar-copy {
    display: grid;
    gap: 4px;
}

.ud-timebar-copy strong {
    color: var(--ud-text);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.02em;
}

.ud-timebar-copy span {
    color: var(--ud-text-soft);
    font-size: 12px;
    line-height: 1.55;
}

.ud-timebar-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.ud-timebar-chip {
    min-width: 170px;
    padding: 10px 14px;
    display: grid;
    gap: 4px;
    border-radius: 18px;
    border: 1px solid var(--ud-border);
    background: rgba(255, 255, 255, 0.05);
}

.ud-timebar-chip span {
    color: var(--ud-text-muted);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ud-timebar-chip strong {
    color: var(--ud-text);
    font-size: 13px;
    font-weight: 900;
    line-height: 1.35;
}

.ud-navbar .logo,
.ud-brand {
    margin-left: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ud-text);
    font-weight: 900;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.ud-navbar .logo::first-letter,
.ud-brand::first-letter { color: var(--ud-primary-2); }

.ud-navbar a,
.ud-navbar button {
    color: var(--ud-text-soft);
    text-decoration: none;
    margin-left: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
    font: inherit;
    font-weight: 650;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

.ud-navbar a:hover,
.ud-navbar button:hover { color: var(--ud-primary-2); }

.ud-navbar button {
    padding: 9px 14px;
    border-radius: 999px;
    background: var(--ud-surface);
    border: 1px solid var(--ud-border);
}

.ud-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 16px;
    white-space: nowrap;
}

.ud-nav-toggle-icon {
    display: inline-grid;
    gap: 4px;
}

.ud-nav-toggle-icon span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.ud-nav-toggle-label {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.ud-language-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 0;
    color: var(--ud-text-soft);
    font-size: 13px;
    font-weight: 800;
}

.ud-language-control span {
    white-space: nowrap;
}

.ud-language-control select,
.ud-theme-control select {
    width: auto;
    min-width: 120px;
    padding: 10px 14px;
    border-radius: 999px;
}

.ud-theme-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 0;
    color: var(--ud-text-soft);
    font-size: 13px;
    font-weight: 800;
}

.ud-theme-control span {
    white-space: nowrap;
}

.site-header,
.ud-hero {
    padding: 68px 24px 30px;
}

.site-header h1,
.ud-hero h1,
.hero h1 {
    margin: 0;
    font-size: clamp(42px, 7vw, 82px);
    line-height: .95;
    letter-spacing: -0.06em;
    color: var(--ud-text);
}

.ud-gradient-title,
.site-header h1,
.hero h1 {
    background: linear-gradient(90deg, var(--ud-text) 0 54%, var(--ud-primary-2) 54% 74%, var(--ud-accent) 74% 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.site-header p,
.ud-hero p,
.hero span,
.subtitle {
    color: var(--ud-text-soft);
    line-height: 1.75;
}

.card,
.ud-card,
.create-card,
.form-card,
.preview-card,
.history-card,
.upcoming-card,
.login-card,
.gateway-card,
.meta-box,
.result-box {
    background: linear-gradient(145deg, var(--ud-surface-2), var(--ud-surface));
    border: 1px solid var(--ud-border);
    border-radius: var(--ud-radius-lg);
    backdrop-filter: var(--ud-blur);
    -webkit-backdrop-filter: var(--ud-blur);
    box-shadow: var(--ud-shadow-soft);
}

.card:hover,
.ud-card:hover {
    border-color: rgba(168, 85, 247, 0.42);
    transform: translateY(-4px);
}

button,
.btn,
.ud-btn,
input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border-radius: 999px;
    border: 1px solid var(--ud-border);
    background: var(--ud-surface-2);
    color: var(--ud-text);
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

button:hover,
.btn:hover,
.ud-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(168, 85, 247, 0.46);
}

.btn.primary,
.ud-btn.primary,
button.primary,
.login-form button,
#publishBtn {
    border: 0;
    color: #ffffff;
    background: linear-gradient(135deg, var(--ud-primary), var(--ud-primary-2));
    box-shadow: 0 18px 42px rgba(124, 58, 237, 0.26);
}

.btn.accent,
.ud-btn.accent {
    border: 0;
    color: #ffffff;
    background: linear-gradient(135deg, var(--ud-accent), #ff4d4d);
    box-shadow: 0 18px 42px rgba(255, 122, 34, 0.24);
}

input,
textarea,
select {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--ud-radius-sm);
    border: 1px solid var(--ud-border);
    background: rgba(255, 255, 255, 0.045);
    color: var(--ud-text);
    font: inherit;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

body.theme-light input,
body.theme-light textarea,
body.theme-light select,
:root[data-theme="light"] input,
:root[data-theme="light"] textarea,
:root[data-theme="light"] select {
    background: #ffffff;
}

input::placeholder,
textarea::placeholder { color: var(--ud-text-muted); }

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(124, 58, 237, 0.72);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.13);
}

label {
    display: block;
    margin: 18px 0 8px;
    color: var(--ud-text-soft);
    font-size: 14px;
    font-weight: 800;
}

.ud-footer {
    width: min(var(--ud-container), calc(100% - 32px));
    margin: 32px auto 18px;
    padding: 28px;
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 22px;
    color: var(--ud-text-soft);
    background: linear-gradient(145deg, var(--ud-surface-2), var(--ud-surface));
    border: 1px solid var(--ud-border);
    border-radius: var(--ud-radius-lg);
    backdrop-filter: var(--ud-blur);
}

.ud-footer h3,
.ud-footer h4 { margin: 0 0 12px; color: var(--ud-text); }
.ud-footer a { display: block; margin: 8px 0; color: var(--ud-text-muted); text-decoration: none; }
.ud-footer a:hover { color: var(--ud-primary-2); }

.empty-state,
#message,
.message {
    color: var(--ud-text-soft);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .ud-navbar,
    .ud-timebar,
    .ud-footer,
    .card,
    .ud-card,
    .create-card,
    .form-card,
    .preview-card,
    .history-card,
    .upcoming-card,
    .login-card,
    .gateway-card,
    .meta-box,
    .result-box {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--ud-bg-2);
    }
}

@media (max-width: 760px) {
    .ud-container,
    .container,
    .page-wrapper,
    .dashboard,
    .artist-page,
    .artmeet-page { padding-inline: 16px; }

    .ud-navbar {
        position: sticky;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .ud-nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        display: none;
        grid-template-columns: 1fr;
        gap: 10px;
        padding-top: 6px;
    }

    .nav-links[data-open="true"] {
        display: grid;
    }

    .nav-links > a,
    .nav-links > button,
    .nav-links > .ud-language-control,
    .nav-links > .ud-theme-control {
        width: 100%;
    }

    .nav-links > a,
    .nav-links > button {
        min-height: 46px;
        padding: 0 14px;
        justify-content: flex-start;
        border-radius: 16px;
        border: 1px solid var(--ud-border);
        background: var(--ud-surface);
    }

    .ud-language-control,
    .ud-theme-control {
        display: grid;
        gap: 8px;
    }

    .ud-footer { grid-template-columns: 1fr; }
}

/* =========================================================
   Standard HTML rewrite support utilities
========================================================= */
.eyebrow {
    margin: 0 0 12px;
    color: var(--ud-primary-2);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.narrow-container {
    max-width: 760px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row,
.action-row {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.form-row > * {
    flex: 1 1 180px;
}

.action-row {
    margin-top: 18px;
}

.card-body {
    padding: 26px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.success-panel,
.verification-result,
.verified-note {
    color: var(--ud-text-soft);
}

.success-panel h3,
.verification-result h2,
.verified-note h3 {
    color: var(--ud-text);
}

.qr-preview {
    margin: 20px 0;
    text-align: center;
}

.qr-preview img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: var(--ud-radius-sm);
    border: 1px solid var(--ud-border);
    background: #fff;
    padding: 8px;
}

.verification-result {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
    align-items: start;
}

.verify-list {
    display: grid;
    gap: 12px;
    margin: 20px 0;
}

.verify-list div {
    padding: 14px;
    border: 1px solid var(--ud-border);
    border-radius: var(--ud-radius-sm);
    background: var(--ud-surface);
}

.verify-list dt {
    color: var(--ud-text-muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.verify-list dd {
    margin: 6px 0 0;
    color: var(--ud-text);
    font-weight: 800;
}

.verified-artwork-img {
    width: 100%;
    display: block;
    border-radius: var(--ud-radius-md);
    border: 1px solid var(--ud-border);
    box-shadow: var(--ud-shadow-soft);
}

.verified-note {
    text-align: center;
    padding-top: 18px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
}

.ud-floating-preferences {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 120;
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 22px;
    border: 1px solid var(--ud-border);
    background: rgba(8, 13, 24, 0.84);
    backdrop-filter: var(--ud-blur);
    -webkit-backdrop-filter: var(--ud-blur);
    box-shadow: var(--ud-shadow-soft);
}

.ud-language-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(5, 8, 16, 0.74);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.ud-language-modal {
    width: min(520px, 100%);
    max-height: min(100dvh - 48px, 760px);
    padding: 28px;
    overflow-y: auto;
    border-radius: var(--ud-radius-lg);
    border: 1px solid var(--ud-border-strong);
    background: linear-gradient(145deg, var(--ud-surface-2), var(--ud-surface));
    box-shadow: var(--ud-shadow);
}

.ud-language-modal h2 {
    margin: 0 0 12px;
    font-size: 32px;
    letter-spacing: -0.04em;
}

.ud-language-modal p {
    margin: 0;
    color: var(--ud-text-soft);
    line-height: 1.75;
}

.ud-language-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.ud-language-chip,
.ud-theme-chip {
    min-width: 120px;
}

.ud-entry-grid {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.ud-entry-section {
    padding: 18px;
    border: 1px solid var(--ud-border);
    border-radius: var(--ud-radius-md);
    background: var(--ud-surface);
}

.ud-entry-label {
    margin: 0 0 12px;
    color: var(--ud-text-soft);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ud-theme-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.ud-theme-chip,
.ud-language-chip {
    min-height: 48px;
}

.ud-theme-chip {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
}

.ud-theme-swatch {
    width: 16px;
    height: 16px;
    border-radius: 999px;
    border: 1px solid var(--ud-border-strong);
    flex: 0 0 16px;
}

.ud-theme-swatch-dark {
    background: linear-gradient(135deg, #080d18, #1b2542);
}

.ud-theme-swatch-light {
    background: linear-gradient(135deg, #ffffff, #eef2ff);
}

.ud-language-chip.is-selected,
.ud-theme-chip.is-selected {
    border-color: rgba(168, 85, 247, 0.46);
    box-shadow: 0 16px 32px rgba(124, 58, 237, 0.18);
    background: linear-gradient(135deg, var(--ud-surface-2), var(--ud-surface));
}

.ud-entry-continue {
    margin-top: 20px;
    width: 100%;
}

.ud-entry-continue:disabled {
    opacity: 0.56;
    cursor: not-allowed;
    transform: none;
}

html[dir="rtl"] body {
    direction: rtl;
    text-align: right;
}

html[dir="rtl"] .ud-navbar a,
html[dir="rtl"] .ud-navbar button,
html[dir="rtl"] .ud-language-control,
html[dir="rtl"] .ud-theme-control {
    margin-left: 0;
    margin-right: 16px;
}

html[dir="rtl"] .ud-timebar-meta {
    justify-content: flex-start;
}

html[dir="rtl"] .ud-floating-preferences {
    right: auto;
    left: 18px;
}

@media (max-width: 760px) {
    .ud-language-overlay {
        place-items: start center;
        padding: 14px;
    }

    .ud-language-modal {
        width: 100%;
        max-height: calc(100dvh - 28px);
        padding: 20px 16px 18px;
        border-radius: 22px;
    }

    .ud-language-modal h2 {
        font-size: 26px;
        line-height: 1.05;
    }

    .ud-language-modal p {
        font-size: 14px;
        line-height: 1.6;
    }

    .ud-entry-grid {
        gap: 12px;
        margin-top: 16px;
    }

    .ud-entry-section {
        padding: 14px;
    }

    .ud-language-actions,
    .ud-theme-actions {
        gap: 10px;
    }

    .ud-language-chip,
    .ud-theme-chip {
        flex: 1 1 calc(50% - 10px);
        min-width: 0;
        min-height: 44px;
        padding-inline: 14px;
    }

    .ud-entry-continue {
        margin-top: 16px;
    }

    .verification-result,
    .dashboard-header {
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .ud-language-control {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        justify-content: stretch;
    }

    .ud-theme-control {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        justify-content: stretch;
    }

    .ud-timebar {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .ud-timebar-meta {
        width: 100%;
        justify-content: stretch;
    }

    .ud-timebar-chip {
        width: 100%;
        min-width: 0;
    }

    .ud-floating-preferences {
        top: auto;
        bottom: 18px;
        right: 18px;
        left: 18px;
        flex-direction: column;
        border-radius: 20px;
    }
}

html {
  font-size: 85%;
}