/* Cleared For Takeoff — Course Interface Styles */

:root {
    /* Galaxy-navy surfaces — matches the homepage night-sky palette (no purple) */
    --bg-dark: #0A1A2D;
    --bg-light: #14304C;
    --bg-surface: #0F2438;
    --bg-card: rgba(255, 255, 255, 0.045);
    --bg-card-hover: rgba(116, 208, 236, 0.10);
    /* Brand accents — cyan AI-signal (primary) + amber (CTAs), as on the homepage */
    --accent: #74D0EC;
    --accent-strong: #4FB3D9;
    --accent-amber: #C8862B;
    --accent-amber-light: #F0C277;
    --accent-green: #22C55E;
    --text-white: #FFFFFF;
    --text-grey: #D8E4F0;
    --text-muted: #8DA3B8;
    --border: rgba(255, 255, 255, 0.12);
    /* Matches the marketing site exactly. The paid course should not look like a
       different company from the page that sold it. No webfont download, no
       third-party request, no render-blocking stylesheet. */
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --star: rgba(255, 255, 255, 0.9);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    /* deep navy galaxy: nebula clouds (cyan + blue) over a soft galactic core */
    background:
        radial-gradient(60% 55% at 80% 4%,  rgba(116, 208, 236, 0.20), transparent 70%),
        radial-gradient(55% 50% at 8% 98%,  rgba(46, 117, 182, 0.22), transparent 70%),
        radial-gradient(48% 45% at 50% 48%, rgba(120, 180, 230, 0.12), transparent 72%),
        linear-gradient(160deg, #0A1A2D 0%, #12283F 50%, #0A1A2D 100%);
    background-attachment: fixed;
    color: var(--text-grey);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 1.0625rem;
    position: relative;
}

/* Galaxy starfield — two tiled parallax layers (hundreds of stars), drifting so
   it feels like flying through the night sky. */
body::before, body::after {
    content: "";
    position: fixed;
    inset: -40%;
    z-index: 0;
    pointer-events: none;
    will-change: transform, opacity;
}
/* Layer 1: dense fine stars (a star tile repeated across the whole field) */
body::before {
    background-image:
        radial-gradient(1px 1px at 25px 35px,    #fff, transparent),
        radial-gradient(1px 1px at 80px 120px,   rgba(255,255,255,.8), transparent),
        radial-gradient(1.5px 1.5px at 135px 60px, #fff, transparent),
        radial-gradient(1px 1px at 175px 155px,  rgba(255,255,255,.7), transparent),
        radial-gradient(1px 1px at 50px 185px,   rgba(174,224,243,.85), transparent),
        radial-gradient(1.5px 1.5px at 110px 20px, #fff, transparent),
        radial-gradient(1px 1px at 15px 95px,    rgba(255,255,255,.75), transparent),
        radial-gradient(1px 1px at 205px 100px,  #fff, transparent),
        radial-gradient(1px 1px at 230px 30px,   rgba(255,255,255,.7), transparent),
        radial-gradient(1px 1px at 160px 210px,  rgba(174,224,243,.8), transparent);
    background-size: 260px 240px;
    opacity: .92;
    animation: starTwinkle 5s ease-in-out infinite, starDriftA 70s ease-in-out infinite alternate;
}
/* Layer 2: brighter, larger feature stars, slower drift (parallax depth) */
body::after {
    background-image:
        radial-gradient(2px 2px at 60px 80px,     #fff, transparent),
        radial-gradient(2.5px 2.5px at 230px 180px, rgba(174,224,243,.95), transparent),
        radial-gradient(2px 2px at 360px 60px,    #fff, transparent),
        radial-gradient(2px 2px at 150px 300px,   #fff, transparent),
        radial-gradient(2.5px 2.5px at 330px 260px, rgba(116,208,236,.95), transparent),
        radial-gradient(2px 2px at 40px 220px,    #fff, transparent);
    background-size: 420px 360px;
    opacity: .95;
    animation: starTwinkle2 7.5s ease-in-out infinite, starDriftB 100s ease-in-out infinite alternate;
}
@keyframes starTwinkle  { 0%, 100% { opacity: .9;  } 50% { opacity: .55; } }
@keyframes starTwinkle2 { 0%, 100% { opacity: .95; } 50% { opacity: .6;  } }
@keyframes starDriftA { from { transform: translate3d(0,0,0); } to { transform: translate3d(-2.5%, -3.5%, 0); } }
@keyframes starDriftB { from { transform: translate3d(0,0,0); } to { transform: translate3d(2%, -2.2%, 0); } }
@media (prefers-reduced-motion: reduce) {
    body::before, body::after { animation: none; }
}

/* keep page content above the starfield */
body > * { position: relative; z-index: 1; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-white);
    line-height: 1.2;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

/* Visible keyboard focus across the course interface */
a:focus-visible,
button:focus-visible,
.access-tab:focus-visible,
.btn-primary:focus-visible,
input:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: 8px;
}

/* ─── COURSE HEADER ─── */

.course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 26, 45, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.course-logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.01em;
}

.course-logo span { color: var(--accent); }

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-nav a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color 0.2s;
}

.header-nav a:hover { color: var(--text-white); }

/* ─── PAGE LAYOUTS ─── */

.page-wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: 3rem 2rem 6rem;
}

.page-wrap-wide {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem 6rem;
}

/* ─── ACCESS / LOGIN PAGE ─── */

.access-page {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.access-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 100%;
    text-align: center;
}

.access-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.access-card h1 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.access-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.access-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.access-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.access-tab.active {
    background: var(--accent);
    color: #0A1A2D;
    font-weight: 600;
}

.access-form { text-align: left; }

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder { color: var(--text-muted); }

.btn-primary {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--accent-amber);
    color: #0A1A2D;
    border: none;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.form-error {
    color: #F87171;
    font-size: 0.875rem;
    margin-top: 0.75rem;
    display: none;
    text-align: center;
}

.form-error.visible { display: block; }

.free-preview-link {
    display: block;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
}

.free-preview-link a { color: var(--accent); }

/* ─── DASHBOARD ─── */

.dashboard-hero {
    margin-bottom: 3rem;
}

.dashboard-hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dashboard-hero p {
    color: var(--text-muted);
    font-size: 1rem;
    margin: 0;
}

.progress-bar-wrap {
    margin-top: 1.5rem;
    background: rgba(255,255,255,0.06);
    border-radius: 100px;
    height: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-amber));
    border-radius: 100px;
    transition: width 0.6s ease;
}

.progress-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Module cards */

.modules-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.module-card:hover { border-color: rgba(116, 208, 236, 0.3); }

.module-card-header {
    padding: 1.5rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.module-card-header:hover { background: var(--bg-card-hover); }

.module-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.module-number {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(116, 208, 236, 0.15);
    border: 1px solid rgba(116, 208, 236, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}

.module-number.locked {
    background: rgba(255,255,255,0.05);
    border-color: var(--border);
    color: var(--text-muted);
}

.module-number.done {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--accent-green);
}

.module-info h3 {
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.module-info .module-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.module-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-free {
    background: rgba(200, 134, 43, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(200, 134, 43, 0.3);
}

.badge-locked {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.badge-unlocked {
    background: rgba(116, 208, 236, 0.1);
    color: var(--accent);
    border: 1px solid rgba(116, 208, 236, 0.3);
}

.module-chevron {
    font-size: 1rem;
    color: var(--text-muted);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.module-card.open .module-chevron { transform: rotate(180deg); }

/* Lesson list */

.lesson-list {
    border-top: 1px solid var(--border);
    display: none;
}

.module-card.open .lesson-list { display: block; }

.lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
    color: inherit;
}

.lesson-item:last-child { border-bottom: none; }

.lesson-item:hover { background: var(--bg-card-hover); }

.lesson-item.locked {
    opacity: 0.45;
    cursor: not-allowed;
}

.lesson-status {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    flex-shrink: 0;
    color: var(--text-muted);
}

.lesson-status.done {
    background: rgba(34, 197, 94, 0.15);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.lesson-status.current {
    background: rgba(116, 208, 236, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.lesson-title {
    flex: 1;
    font-size: 0.9375rem;
}

.lesson-duration {
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Path / track selection */

.pick-banner {
    background: rgba(200, 134, 43, 0.08);
    border: 1px solid rgba(200, 134, 43, 0.2);
    border-radius: 10px;
    padding: 0.875rem 1rem 0.875rem 1.75rem;
    font-size: 0.875rem;
    color: var(--accent-amber);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pick-banner a {
    color: var(--accent-amber);
    font-weight: 600;
    white-space: nowrap;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ─── VIDEO WATCH PAGE ─── */

.watch-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

.watch-main {}

.player-wrap {
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 16/9;
    position: relative;
    margin-bottom: 1.5rem;
}

.player-wrap mux-player {
    width: 100%;
    height: 100%;
    display: block;
}

.player-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    color: var(--text-muted);
}

.player-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(116, 208, 236, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.watch-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.watch-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.watch-meta span::before {
    content: '·';
    margin-right: 1rem;
}

.watch-meta span:first-child::before { content: none; }

.lesson-nav {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-nav {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-grey);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
}

.btn-nav:hover { border-color: var(--accent); background: var(--bg-card-hover); }
.btn-nav:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-nav:disabled:hover { border-color: var(--border); background: var(--bg-card); }

.btn-nav .nav-label { font-size: 0.75rem; color: var(--text-muted); }
.btn-nav .nav-title { font-weight: 500; }

.btn-nav.next { text-align: right; }

/* Sidebar */

.watch-sidebar {}

.sidebar-module {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    position: sticky;
    top: 90px;
}

.sidebar-module-title {
    padding: 1rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
}

.sidebar-lesson-list {
    max-height: 65vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.sidebar-lesson {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
    color: var(--text-grey);
}

.sidebar-lesson:last-child { border-bottom: none; }
.sidebar-lesson:hover { background: var(--bg-card-hover); }

.sidebar-lesson.active {
    background: rgba(116, 208, 236, 0.1);
    border-left: 2px solid var(--accent);
}

.sidebar-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.sidebar-dot.done {
    background: rgba(34, 197, 94, 0.15);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.sidebar-dot.active {
    background: rgba(116, 208, 236, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.sidebar-lesson-title { font-size: 0.85rem; line-height: 1.35; }

/* ─── PATH SELECTION ─── */

.selection-page { max-width: 760px; margin: 0 auto; padding: 3rem 2rem; }

.selection-intro { margin-bottom: 2.5rem; }
.selection-intro h1 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.selection-intro p { color: var(--text-muted); }

.path-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.path-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.path-card:hover { border-color: rgba(116, 208, 236, 0.4); background: var(--bg-card-hover); }

.path-card.selected {
    border-color: var(--accent);
    background: rgba(116, 208, 236, 0.08);
}

.path-card .path-letter {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(116, 208, 236, 0.15);
    border: 1px solid rgba(116, 208, 236, 0.3);
    color: var(--accent);
    font-family: var(--font-heading);
    font-weight: 700;
    text-align: center;
    line-height: 32px;
    margin-bottom: 0.75rem;
}

.path-card h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.path-card p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

.selection-counter {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.selection-counter strong { color: var(--accent-amber); }

/* ─── EMPTY / ERROR STATES ─── */

.state-box {
    text-align: center;
    padding: 4rem 2rem;
}

.state-box .state-icon { font-size: 3rem; margin-bottom: 1rem; }
.state-box h2 { margin-bottom: 0.5rem; }
.state-box p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* ─── RESPONSIVE ─── */

@media (max-width: 860px) {
    .watch-layout {
        grid-template-columns: 1fr;
        padding: 1rem 1rem 3rem;
    }

    .watch-sidebar { display: none; }

    .path-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .course-header { padding: 1rem; }
    .access-card { padding: 2rem 1.5rem; }
    .page-wrap, .page-wrap-wide { padding: 2rem 1rem 4rem; }
    .module-card-header { padding: 1.25rem; }
    .lesson-item { padding: 0.75rem 1.25rem; }
}

/* ─── Downloads ───────────────────────────────────────────────────────────────
   The cheat sheets, workbooks and Tool Hangar guides the pricing page promises.
   Served by /api/resource behind the same entitlement gate as the videos. */
.resources {
    max-width: 1000px;
    margin: 3rem auto 0;
    padding: 2rem 1.5rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
}
.resources h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-white);
    margin-bottom: .4rem;
}
.resources .res-sub {
    color: var(--text-muted);
    font-size: .95rem;
    line-height: 1.55;
    max-width: 60ch;
    margin-bottom: 1.4rem;
}
.res-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: .7rem;
}
.res-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    text-align: left;
    padding: .9rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.045);
    color: var(--text-white);
    font-family: inherit;
    font-size: .95rem;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}
.res-item:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}
.res-item:focus-visible {
    outline: 3px solid var(--accent-amber);
    outline-offset: 2px;
}
.res-item.locked {
    opacity: .5;
    cursor: default;
}
.res-name { line-height: 1.35; }
.res-tag {
    flex: 0 0 auto;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .2rem .55rem;
    white-space: nowrap;
}
.res-item.locked .res-tag { color: var(--text-muted); }
.res-msg {
    margin-top: 1rem;
    color: var(--accent-amber-light);
    font-size: .92rem;
    min-height: 1.2em;
}