/* ============================================================
   NHS ConfedExpo 2026 — shared public site styles
   Used by: app/sections/front.php, app/sections/watch.php
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --ink: #032e84;
    --muted: #4d6178;
    --blue: #005eb8;
    --bright-blue: #41b6e6;
    --red: #da291c;
    --line: #d5dee3;
    --surface: #ffffff;
    --page: #e8edee;
    --deep: #121a3d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--page);
    font-family: "Noto Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

a { color: inherit; }

/* ── Layout ───────────────────────────────────────────────── */
.inner {
    width: min(1000px, 90%);
    margin: 0 auto;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
    background: var(--surface);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0;
}

.brand-logo {
    height: 110px;
    width: auto;
    display: block;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(216, 39, 47, 0.24);
    border-radius: 999px;
    color: var(--red);
    background: #ffffff;
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
}

.status-pill::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--red);
}

.colour-line {
    display: grid;
    grid-template-columns: 1fr;
    height: 8px;
    overflow: hidden;
}

.colour-line span:nth-child(1) { background: var(--blue); }
.colour-line span:nth-child(2),
.colour-line span:nth-child(3) { display: none; }

/* ── Hero (front) ─────────────────────────────────────────── */
.hero {
    padding: 24px 0;
    color: #ffffff;
    background: #032e84;
}

.hero-player {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    overflow: hidden;
}

.hero-player iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.eyebrow {
    margin: 0 0 10px;
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.intro {
    margin: 22px 0 0;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.08rem;
}

/* ── Live-stream switcher (front page hero) ───────────────── */
.live-hero .inner {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.live-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Filter-style buttons, in red, for switching live channels */
.live-btn {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--red);
    background: #ffffff;
    color: var(--red);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 900;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.live-btn.is-active {
    color: #ffffff;
    background: var(--red);
    border-color: var(--red);
}

/* Event summary link sits in the controls bar, above the search field */
.controls .live-summary {
    margin-bottom: 14px;
}

/* ── Media / feature (front) ──────────────────────────────── */
.feature {
    background: var(--surface);
    border: 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
}

.feature-media,
.session-thumb {
    background: #eef3f6;
    display: grid;
    place-items: center;
}

.feature-media {
    position: relative;
    aspect-ratio: 16 / 9;
}

.feature-media.has-video {
    background: #000;
}

.feature-media iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.feature-media img,
.session-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.feature-media img.logo-fallback,
.session-thumb img.logo-fallback {
    width: 70%;
    height: auto;
    object-fit: contain;
    padding: 26px;
}

.feature-body {
    padding: 24px;
    color: var(--ink);
}

/* ── Chips / meta (shared) ────────────────────────────────── */
.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 10px;
    border-radius: 4px;
    background: #edf8fb;
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 800;
}

.chip.live {
    background: #fff1f2;
    color: var(--red);
}

/* ── Headings (shared) ────────────────────────────────────── */
h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.8rem);
    line-height: 1;
    letter-spacing: 0;
}

h2, h3 {
    margin: 0;
    line-height: 1.15;
    letter-spacing: 0;
}

.feature h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.session-title {
    font-size: 1.08rem;
}

.summary {
    margin: 12px 0 0;
    color: var(--muted);
}

.details .summary {
    margin-top: 18px;
    max-width: 780px;
    font-size: 1.05rem;
}

/* ── Buttons (shared, index/front style) ──────────────────── */
.button,
.filter-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 999px;
    border: 1px solid transparent;
    font: inherit;
    font-weight: 850;
    text-decoration: none;
    cursor: pointer;
}

.button {
    padding: 10px 14px;
    color: #ffffff;
    background: var(--red);
}

.button.secondary {
    color: var(--ink);
    background: #ffffff;
    border-color: var(--line);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

/* ── Controls / filters (front) ───────────────────────────── */
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.controls {
    padding: 22px 0;
    background: var(--page);
    border-block: 0;
}

.controls-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: stretch;
}

.search-wrap input {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 11px 14px;
    color: var(--ink);
    font: inherit;
    background: #ffffff;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
}

.filter-button {
    min-height: 46px;
    padding: 10px 13px;
    color: var(--ink);
    background: #ffffff;
    border-color: var(--line);
    font-weight: 900;
}

.filter-button.is-active {
    color: #ffffff;
    background: var(--bright-blue);
    border-color: var(--bright-blue);
}

/* ── Sessions grid (front) ────────────────────────────────── */
.sessions {
    padding: 34px 0 52px;
    background: var(--page);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.section-heading h2 {
    font-size: clamp(1.65rem, 3vw, 2.4rem);
}

.count {
    color: var(--muted);
    font-weight: 750;
}

.session-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.session-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    background: var(--surface);
    border: 0;
    border-radius: 0;
    overflow: hidden;
}

.session-card.is-hidden {
    display: none;
}

.session-thumb {
    aspect-ratio: 16 / 9;
}

.session-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 18px;
}

.session-body .actions {
    margin-top: auto;
    padding-top: 18px;
}

.empty {
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 0;
    color: var(--muted);
}

/* ── Watch player / details (watch) ───────────────────────── */
.watch-main {
    padding: 40px 0 58px;
}

.player {
    background: #000000;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(23, 32, 51, 0.12);
}

.player-frame {
    position: relative;
    aspect-ratio: 16 / 9;
}

.player-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.player-empty {
    min-height: 320px;
    display: grid;
    place-items: center;
    padding: 32px;
    color: #ffffff;
    text-align: center;
    background: #032e84;
}

.details {
    margin-top: 28px;
    padding: 28px;
    background: var(--surface);
    border: 0;
    border-radius: 0;
}

/* Back-to-sessions link (sits under the video) */
.back-row {
    margin-top: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink);
    background: #ffffff;
    font-weight: 850;
    text-decoration: none;
}

/* ── Modal (front) ────────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: none;
    place-items: center;
    padding: 24px;
    background: rgba(23, 32, 51, 0.82);
}

.modal.is-open { display: grid; }

.modal-window {
    width: min(1080px, 100%);
    background: #000000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.modal-top {
    display: flex;
    justify-content: flex-end;
    padding: 10px;
    background: #ffffff;
}

.modal-close {
    min-width: 38px;
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
}

.modal-frame {
    position: relative;
    aspect-ratio: 16 / 9;
}

.modal-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ── Footer (shared) ──────────────────────────────────────── */
footer {
    padding: 22px 0;
    color: #ffffff;
    background: #032e84;
    text-align: center;
}

footer a { color: #ffffff; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
    .controls-row { grid-template-columns: 1fr; }
    .filters { justify-content: flex-start; }
    .session-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .inner { width: min(100% - 28px, 1000px); }
    .header-inner { align-items: center; }
    .brand-logo { height: 64px; }
    .hero { padding-top: 34px; }
    .session-grid { grid-template-columns: 1fr; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .button,
    .filter-button,
    .back-link,
    .live-btn { width: 100%; justify-content: center; }
    .live-switch .live-btn { width: auto; }
}