/*
  OpenSCORM Lobby chrome.
  Tokens mirror www CustomStyles.astro so visitor moving from openscorm.com
  to app.openscorm.com sees the same brand palette.
*/

:root {
    --aw-font-sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
    --aw-font-heading: 'Inter', ui-sans-serif, system-ui, sans-serif;

    --aw-color-primary: rgb(1 97 239);
    --aw-color-secondary: rgb(1 84 207);
    --aw-color-accent: rgb(22 163 74);

    --aw-color-text-heading: rgb(0 0 0);
    --aw-color-text-default: rgb(16 16 16);
    --aw-color-text-muted: rgb(16 16 16 / 66%);
    --aw-color-bg-page: rgb(255 255 255);
    --aw-color-bg-page-dark: rgb(3 6 32);

    --aw-color-border: rgb(229 231 235);
    --aw-color-card-bg: rgb(255 255 255);
    --aw-color-input-bg: rgb(255 255 255);
    --aw-color-input-border: rgb(209 213 219);
    --aw-color-input-focus-ring: rgb(1 97 239 / 25%);

    --aw-color-success-bg: rgb(220 252 231);
    --aw-color-success-border: rgb(134 239 172);
    --aw-color-success-text: rgb(22 101 52);

    --aw-color-danger-bg: rgb(254 226 226);
    --aw-color-danger-border: rgb(252 165 165);
    --aw-color-danger-text: rgb(153 27 27);
}

.dark {
    --aw-color-text-heading: rgb(247, 248, 248);
    --aw-color-text-default: rgb(229 236 246);
    --aw-color-text-muted: rgb(229 236 246 / 66%);
    --aw-color-bg-page: rgb(3 6 32);

    --aw-color-border: rgb(51 65 85);
    --aw-color-card-bg: rgb(15 23 42);
    --aw-color-input-bg: rgb(15 23 42);
    --aw-color-input-border: rgb(71 85 105);

    --aw-color-success-bg: rgb(20 83 45 / 40%);
    --aw-color-success-border: rgb(34 197 94);
    --aw-color-success-text: rgb(187 247 208);

    --aw-color-danger-bg: rgb(127 29 29 / 40%);
    --aw-color-danger-border: rgb(248 113 113);
    --aw-color-danger-text: rgb(254 202 202);
}

* { box-sizing: border-box; }

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

@media (min-width: 1536px) {
    html { font-size: 20px; }
}

body {
    margin: 0;
    font-family: var(--aw-font-sans);
    font-weight: 400;
    color: var(--aw-color-text-default);
    background-color: var(--aw-color-bg-page);
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--aw-font-heading);
    color: var(--aw-color-text-heading);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.5rem 0;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3, .h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem 0; }

a {
    color: var(--aw-color-primary);
    text-decoration: none;
}

a:hover { color: var(--aw-color-secondary); text-decoration: underline; }

/* Layout shell */

main {
    flex: 1 0 auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 1.5rem;
}

.lobby-card {
    width: 100%;
    max-width: 26rem;
    background-color: var(--aw-color-card-bg);
    border: 1px solid var(--aw-color-border);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgb(0 0 0 / 5%), 0 4px 12px rgb(0 0 0 / 4%);
}

.lobby-card-wide { max-width: 32rem; }

/* Header */

#header {
    position: sticky;
    top: 0;
    z-index: 40;
    width: 100%;
    background-color: var(--aw-color-bg-page);
    transition: box-shadow 200ms ease, background-color 200ms ease;
}

#header.scroll {
    box-shadow: 0 0.375rem 1.5rem 0 rgb(140 152 164 / 13%);
}

.dark #header.scroll { box-shadow: 0 1px 0 0 rgb(255 255 255 / 8%); }

#header > .header-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--aw-color-text-heading);
}

.brand:hover { text-decoration: none; color: var(--aw-color-text-heading); }

.brand-mark {
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
}

.brand-text { line-height: 1; }

.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.header-back {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--aw-color-text-muted);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
}

.header-back:hover { color: var(--aw-color-text-default); text-decoration: none; background-color: rgb(0 0 0 / 4%); }

.dark .header-back:hover { background-color: rgb(255 255 255 / 6%); }

/* Theme toggle */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: transparent;
    border: none;
    color: var(--aw-color-text-muted);
    cursor: pointer;
}

.theme-toggle:hover { color: var(--aw-color-text-default); background-color: rgb(0 0 0 / 4%); }

.dark .theme-toggle:hover { background-color: rgb(255 255 255 / 6%); }

.theme-toggle svg { width: 1.25rem; height: 1.25rem; }

.theme-toggle .icon-sun { display: none; }

.dark .theme-toggle .icon-sun { display: block; }

.dark .theme-toggle .icon-moon { display: none; }

/* Footer */

footer.footer {
    flex-shrink: 0;
    border-top: 1px solid var(--aw-color-border);
    padding: 2rem 1.5rem;
    color: var(--aw-color-text-muted);
    font-size: 0.875rem;
}

.footer-inner {
    max-width: 80rem;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-links a {
    color: var(--aw-color-text-muted);
    margin-right: 1rem;
}

.footer-links a:hover { color: var(--aw-color-text-default); }

/* Buttons (Bootstrap-class shims for current Lobby page markup) */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.625rem 1.25rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.25;
    border: 1px solid transparent;
    border-radius: 9999px;
    background-color: transparent;
    color: var(--aw-color-text-default);
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
    text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--aw-color-input-focus-ring);
}

.btn-primary {
    background-color: var(--aw-color-primary);
    border-color: var(--aw-color-primary);
    color: rgb(255 255 255);
}

.btn-primary:hover {
    background-color: var(--aw-color-secondary);
    border-color: var(--aw-color-secondary);
    color: rgb(255 255 255);
}

.btn-secondary {
    border-color: var(--aw-color-input-border);
    color: var(--aw-color-text-default);
}

.btn-secondary:hover { background-color: rgb(0 0 0 / 4%); }

.dark .btn-secondary:hover { background-color: rgb(255 255 255 / 6%); }

.d-grid { display: grid; }

.d-grid .btn { width: 100%; }

/* Form controls */

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--aw-color-text-default);
    margin-bottom: 0.375rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.5625rem 0.875rem;
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--aw-color-text-default);
    background-color: var(--aw-color-input-bg);
    border: 1px solid var(--aw-color-input-border);
    border-radius: 0.5rem;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.form-control::placeholder { color: var(--aw-color-text-muted); }

.form-control:focus {
    outline: none;
    border-color: var(--aw-color-primary);
    box-shadow: 0 0 0 3px var(--aw-color-input-focus-ring);
}

.form-control:disabled {
    background-color: rgb(0 0 0 / 3%);
    color: var(--aw-color-text-muted);
    cursor: not-allowed;
}

.dark .form-control:disabled { background-color: rgb(255 255 255 / 4%); }

.help-block small { color: var(--aw-color-text-muted); font-size: 0.8125rem; }

/* Alerts */

.alert {
    padding: 0.75rem 1rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
}

.alert-success {
    background-color: var(--aw-color-success-bg);
    border-color: var(--aw-color-success-border);
    color: var(--aw-color-success-text);
}

.alert-danger {
    background-color: var(--aw-color-danger-bg);
    border-color: var(--aw-color-danger-border);
    color: var(--aw-color-danger-text);
}

/* Utility shims (Bootstrap-compatible) */

.text-center { text-align: center; }
.text-muted { color: var(--aw-color-text-muted); }
.font-14 { font-size: 0.875rem; }
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.me-1 { margin-right: 0.25rem; }
.float-end { float: right; }

/* Logout icon (inherits color via currentColor) */

.logout-icon {
    width: 6rem;
    height: 6rem;
    margin: 1rem auto;
    color: var(--aw-color-primary);
}

.logout-icon svg { width: 100%; height: 100%; display: block; }

/* Read.aspx article styling (markdown render target) */

.article {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
    color: var(--aw-color-text-default);
}

.article h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.article h2 { font-size: 1.875rem; margin-top: 2.5rem; margin-bottom: 1rem; }
.article h3 { font-size: 1.375rem; margin-top: 2rem; margin-bottom: 0.5rem; }
.article p, .article ul li, .article ol li { font-size: 1.0625rem; line-height: 1.7; }
.article ul, .article ol { padding-left: 1.5rem; }
.article a { color: var(--aw-color-primary); text-decoration: underline; }

/* Hide elements that the master scaffolds for ScreenReaders before content loads */

[hidden], .visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}