:root {
    --vantive-purple: #752163;
    --vantive-purple-dark: #572052;
    --vantive-purple-soft: #eee1ed;
    --vantive-cream: #fff9ed;
    --ink: #171a24;
    --muted: #5d6475;
    --line: #d9dfe9;
    --page: #f5f3f7;
    --success: #246b4e;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--ink);
    background: var(--page);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
}

button, input { font: inherit; }

a { color: var(--vantive-purple); }

.registration-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(440px, .9fr);
    background: var(--vantive-purple);
}

.registration-visual {
    min-height: 100vh;
    position: relative;
    background-color: var(--vantive-purple);
    background-image: url('assets/registration-background.png');
    background-size: cover;
    background-position: left center;
    background-repeat: no-repeat;
    display: flex;
    align-items: flex-start;
    padding: clamp(26px, 4vw, 56px);
}

.registration-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(57, 12, 54, .12), transparent 42%);
    pointer-events: none;
}

.brand-lockup {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.brand-logo {
    position: relative;
    z-index: 1;
    display: block;
    width: min(190px, 42vw);
    height: auto;
}

.brand-logo--purple {
    filter: brightness(0) saturate(100%) invert(22%) sepia(25%) saturate(2311%) hue-rotate(278deg) brightness(86%) contrast(93%);
}

.registration-panel {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(22px, 5vw, 74px);
    background: var(--vantive-cream);
}

.registration-card {
    width: min(100%, 640px);
}

.registration-card .brand-logo {
    margin-bottom: 28px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--vantive-purple);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

h1 {
    margin-bottom: 12px;
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.05;
    letter-spacing: -.025em;
}

.event-date {
    color: var(--muted);
    line-height: 1.5;
    margin-bottom: 30px;
}

.form-card {
    padding: clamp(20px, 3vw, 32px);
    border: 1px solid #eadfea;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(71, 35, 67, .12);
}

.form-card h2 {
    margin-bottom: 7px;
    font-size: 25px;
}

.form-intro {
    margin-bottom: 22px;
    color: var(--muted);
    line-height: 1.45;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field { display: grid; gap: 7px; }
.field--wide { grid-column: 1 / -1; }

.field label {
    font-weight: 700;
    font-size: 14px;
}

.required { color: #c5283d; }

.field input {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--ink);
    background: #fff;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.field input:focus {
    border-color: var(--vantive-purple);
    box-shadow: 0 0 0 3px rgba(114, 37, 107, .15);
}

.submit-button {
    width: 100%;
    min-height: 50px;
    margin-top: 22px;
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: var(--vantive-purple);
    font-weight: 700;
    cursor: pointer;
}

.submit-button:hover { background: var(--vantive-purple-dark); }
.submit-button:focus-visible { outline: 3px solid #d7a8d1; outline-offset: 2px; }

.form-footnote {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.4;
    text-align: center;
}

.alert {
    margin-bottom: 18px;
    padding: 13px 15px;
    border-radius: 9px;
    line-height: 1.45;
    font-size: 14px;
}

.alert--error { color: #8d1e32; background: #fdecef; border: 1px solid #f5c8d0; }
.alert--success { color: var(--success); background: #e9f6ee; border: 1px solid #bfe5cd; }

.simple-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--page);
}

.simple-card {
    width: min(100%, 590px);
    padding: clamp(26px, 6vw, 56px);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(35, 31, 48, .09);
    text-align: center;
}

.simple-card .brand-logo { margin: 0 auto 28px; }
.simple-card h1 { font-size: clamp(30px, 5vw, 46px); }
.simple-card p { color: var(--muted); line-height: 1.55; }

.text-button {
    display: inline-block;
    margin-top: 12px;
    padding: 13px 20px;
    border-radius: 8px;
    color: #fff;
    background: var(--vantive-purple);
    font-weight: 700;
    text-decoration: none;
}

.stream-page {
    min-height: 100vh;
    padding: 22px clamp(16px, 4vw, 60px) 48px;
    background: var(--page) url('assets/stream-background.png') center top / cover fixed no-repeat;
}

.stream-header {
    width: min(1400px, 100%);
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.stream-header .brand-logo { margin-bottom: 15px; }
.stream-header h1 { margin: 0; font-size: clamp(22px, 3vw, 36px); }
.stream-header p { margin: 6px 0 0; color: var(--muted); }

.stream-layout {
    width: min(1400px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(250px, .75fr) minmax(0, 2.2fr);
    gap: 20px;
    align-items: stretch;
}

.module-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 15px 32px rgba(35, 31, 48, .1);
}

.module-heading {
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
    background: #fff;
}

.module-heading h2 { margin: 0; font-size: 18px; }
.module-heading p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }

.video-card { background: #17141b; }
.video-card .module-heading { background: #17141b; color: #fff; border-color: #322b35; }
.video-card .module-heading p { color: #c8beca; }

.video-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    min-height: 300px;
    background: #251625;
}

.video-frame iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.stream-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 18px;
    background: #72256b url('assets/stream-layer.png') center / cover no-repeat;
    color: #fff;
    text-align: center;
}

.stream-placeholder__message {
    max-width: 320px;
    padding: 14px 18px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 12px;
    background: rgba(45, 12, 43, .7);
    font-weight: 700;
}

.media-admin-page {
    min-height: 100vh;
    padding: 40px 20px;
    background: var(--page);
}

.media-admin-shell {
    width: min(100%, 900px);
    margin: 0 auto;
}

.media-admin-header,
.media-admin-card-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
}

.media-admin-header { margin-bottom: 24px; }
.media-admin-header h1 { margin: 0 0 10px; font-size: clamp(30px, 5vw, 48px); }
.media-admin-intro { margin: 0; color: var(--muted); }

.media-admin-card {
    margin: 0 0 20px;
    padding: clamp(22px, 4vw, 36px);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(38, 22, 39, .08);
}

.media-admin-card h2 { margin: 0 0 12px; font-size: 26px; }
.media-admin-card p:not(.eyebrow) { color: var(--muted); }
.media-admin-login { width: min(100%, 560px); margin: 55px auto; }
.media-admin-field { margin: 24px 0; }
.media-admin-field label,
.media-admin-login label,
.password-form label { display: block; margin-bottom: 8px; font-weight: 700; }
.media-admin-field input,
.media-admin-login input,
.password-form input {
    width: 100%;
    min-height: 48px;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: #fff;
}
.media-admin-field p { margin: 8px 0 0; font-size: 14px; }
.media-admin-options { display: grid; gap: 12px; margin: 28px 0; }
.check-row { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; }
.check-row input { width: 18px; height: 18px; accent-color: var(--vantive-purple); }
.primary-button,
.secondary-button {
    min-height: 46px;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}
.primary-button { border: 0; color: #fff; background: var(--vantive-purple); }
.primary-button:hover { background: var(--vantive-purple-dark); }
.secondary-button { border: 1px solid var(--vantive-purple); color: var(--vantive-purple); background: #fff; }
.settings-badge { padding: 7px 10px; border-radius: 999px; color: var(--vantive-purple); background: var(--vantive-purple-soft); font-size: 13px; font-weight: 700; white-space: nowrap; }
.logout-form { flex: 0 0 auto; }
.password-form { display: grid; gap: 10px; max-width: 560px; }
.password-form label:not(:first-of-type) { margin-top: 8px; }
.alert--success { color: var(--success); background: #eaf5ef; border-color: #b9dfc8; }
.media-admin-link { text-align: center; }
.media-admin-link a { font-weight: 700; }
code { padding: 2px 5px; border-radius: 4px; background: #f3edf3; color: var(--vantive-purple-dark); }

@media (max-width: 640px) {
    .media-admin-page { padding: 24px 14px; }
    .media-admin-header,
    .media-admin-card-heading { display: block; }
    .logout-form { margin-top: 18px; }
    .settings-badge { display: inline-block; margin-top: 12px; }
}

.chat-card { min-height: 100%; }
.chat-body { min-height: 390px; display: grid; place-items: center; padding: 22px; color: var(--muted); text-align: center; }
.chat-body iframe { width: 100%; min-height: 390px; border: 0; }
.chat-empty { max-width: 220px; line-height: 1.5; }

.stream-note {
    width: min(1400px, 100%);
    margin: 18px auto 0;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 1000px) {
    .registration-page { grid-template-columns: 1fr; }
    .registration-visual { min-height: 300px; max-height: 42vh; }
    .registration-panel { min-height: auto; padding-top: 28px; padding-bottom: 44px; }
    .stream-layout { grid-template-columns: 1fr; }
    .chat-card { min-height: 420px; }
}

@media (max-width: 620px) {
    body { font-size: 15px; }
    .registration-visual { min-height: 230px; max-height: none; padding: 22px; background-size: cover; background-position: 35% center; }
    .registration-panel { padding: 0 14px 28px; align-items: start; }
    .registration-card { margin-top: -24px; position: relative; }
    .registration-card .brand-logo { display: none; }
    .form-card { padding: 20px 16px; border-radius: 14px; }
    .form-grid { grid-template-columns: 1fr; gap: 14px; }
    .field--wide { grid-column: auto; }
    h1 { font-size: 31px; }
    .event-date { margin-bottom: 18px; }
    .stream-page { padding: 16px 12px 34px; background-attachment: scroll; }
    .stream-header { display: block; margin-bottom: 18px; }
    .stream-header .brand-logo { margin-bottom: 15px; }
    .video-frame { min-height: 210px; }
    .chat-body, .chat-body iframe { min-height: 330px; }
}