/* ==========================================================================
   Design tokens
   ========================================================================== */

:root {
    /* Base colours. --color-ink is the text colour and also the base for subtle
       overlays, borders and muted text, so light themes only need to swap it. */
    --color-bg: #0b0b0b;
    --color-ink: #ececec;
    --color-surface-solid: #151515;
    --color-shadow: #000;

    /* Accents ("Noir": black and white with a single red accent). cool and music are
       deliberately neutral; keep them as separate tokens so they can get a colour again. */
    --color-accent-primary: #f0525c;
    --color-accent-cool: #d6d6d6;
    --color-accent-music: #d6d6d6;
    --color-heading: #f7f7f7;
    --color-on-primary: #fff;
    --color-on-cool: #111;
    --color-on-music: #111;

    /* Derived */
    --color-text: var(--color-ink);
    --color-text-strong: #fff;
    --color-text-muted: color-mix(in srgb, var(--color-ink) 62%, transparent);
    --color-border: color-mix(in srgb, var(--color-ink) 8%, transparent);
    --color-border-strong: color-mix(in srgb, var(--color-ink) 18%, transparent);
    --color-surface: color-mix(in srgb, var(--color-surface-solid) 85%, transparent);
    --color-surface-raised: color-mix(in srgb, var(--color-ink) 4%, transparent);
    --color-error: #ff6b78;

    /* Effect strength: 1 = full neon glow, 0 = none. */
    --glow: 0;
    --bg-glow: 0.35;
    --shadow-scale: 1;

    --font-display: "Syncopate", "Arial Black", sans-serif;
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --heading-weight: 700;
    --heading-transform: uppercase;
    --heading-spacing: 0.1em;

    --radius-card: 20px;
    --radius-control: 12px;

    color-scheme: dark;
}

/* ==========================================================================
   Base
   ========================================================================== */

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

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

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Fixed gradient glow behind everything - a pseudo element instead of background-attachment: fixed,
   which iOS Safari ignores. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 60% 50% at 15% 0%, color-mix(in srgb, var(--color-accent-primary) calc(16% * var(--bg-glow)), transparent), transparent 70%),
        radial-gradient(ellipse 55% 45% at 90% 20%, color-mix(in srgb, var(--color-accent-cool) calc(12% * var(--bg-glow)), transparent), transparent 70%),
        radial-gradient(ellipse 70% 50% at 50% 110%, color-mix(in srgb, var(--color-accent-primary) calc(8% * var(--bg-glow)), transparent), transparent 70%),
        var(--color-bg);
}

::selection {
    background: color-mix(in srgb, var(--color-accent-primary) 45%, transparent);
    color: var(--color-text-strong);
}

img {
    max-width: 100%;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2 {
    font-family: var(--font-display);
    font-weight: var(--heading-weight);
    text-transform: var(--heading-transform);
    letter-spacing: var(--heading-spacing);
    line-height: 1.25;
    color: var(--color-heading);
    overflow-wrap: break-word;
    hyphens: auto;
}

h1 {
    font-size: clamp(1.5rem, 1rem + 2.6vw, 2.6rem);
    margin: 0 0 1.25rem;
    text-shadow: 0 0 28px color-mix(in srgb, var(--color-heading) calc(35% * var(--glow)), transparent);
}

h1:focus {
    outline: none;
}

h2 {
    font-size: clamp(1rem, 0.85rem + 0.8vw, 1.35rem);
    margin: 0 0 1rem;
}

h3,
h4 {
    font-family: var(--font-body);
    font-weight: 600;
    line-height: 1.35;
    margin: 0;
}

h3 {
    font-size: 1.1rem;
}

h4 {
    font-size: 1rem;
    color: var(--color-text-muted);
}

p {
    margin: 0 0 1rem;
}

a {
    color: var(--color-accent-cool);
    text-decoration-color: color-mix(in srgb, var(--color-accent-cool) 40%, transparent);
    text-underline-offset: 0.2em;
    transition: color 0.2s, text-decoration-color 0.2s;
}

a:hover {
    color: var(--color-text-strong);
    text-decoration-color: currentColor;
}

.hint,
.optional {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.eyebrow {
    font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-primary);
    margin: 0 0 0.75rem;
}

.validation-message,
.form-error {
    color: var(--color-error);
    margin: 0;
}

.success-message {
    color: var(--color-accent-cool);
    margin: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.page {
    position: relative;
    max-width: 64rem;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

.narrow {
    max-width: 36rem;
    margin-inline: auto;
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stack > * {
    margin-block: 0;
}

.back-link {
    margin-top: 2rem;
}

/* Room for the fixed menu button (NavMenu) where the content column reaches it. */
@media (max-width: 1200px) {
    .page {
        padding-top: 4.75rem;
    }
}

@media (max-width: 600px) {
    .page {
        padding: 4.5rem 1rem 3rem;
    }
}

/* ==========================================================================
   Glass cards + scroll reveal
   ========================================================================== */

.glass-card {
    position: relative;
    padding: clamp(1.25rem, 0.9rem + 1.5vw, 2rem);
    background: var(--color-surface);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: 0 20px 50px color-mix(in srgb, var(--color-shadow) calc(35% * var(--shadow-scale)), transparent);
}

.glass-card > :last-child {
    margin-bottom: 0;
}

/* Nested container inside a glass card (no second backdrop blur). */
.subcard {
    padding: 1rem;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
}

/* js/effects.js sets .reveal on <html>, so cards stay visible without JavaScript. */
.reveal .glass-card,
.reveal [data-reveal] {
    --reveal-delay: 0ms;
    transition: opacity 0.8s ease var(--reveal-delay), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) var(--reveal-delay);
}

.reveal .glass-card:not(.is-visible),
.reveal [data-reveal]:not(.is-visible) {
    opacity: 0;
    transform: translateY(20px);
}

.reveal .glass-card.reveal-instant,
.reveal [data-reveal].reveal-instant {
    transition: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal .glass-card:not(.is-visible),
    .reveal [data-reveal]:not(.is-visible) {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================================================
   Buttons
   Every variant sets --btn-accent, which also colors the hover glow.
   ========================================================================== */

button,
.button {
    --btn-accent: var(--color-accent-primary);
    --btn-text: var(--color-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border: 1px solid var(--btn-accent);
    border-radius: 999px;
    background: var(--btn-accent);
    color: var(--btn-text);
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

button:hover:not(:disabled),
.button:hover {
    color: var(--btn-text);
    transform: translateY(-2px);
    box-shadow: 0 8px 26px color-mix(in srgb, var(--btn-accent) calc(55% * var(--glow)), transparent),
        0 6px 16px color-mix(in srgb, var(--color-shadow) calc(30% * var(--shadow-scale)), transparent);
}

button:active:not(:disabled),
.button:active {
    transform: translateY(0);
}

button:focus-visible,
.button:focus-visible {
    outline: 2px solid var(--btn-accent);
    outline-offset: 3px;
}

button:disabled {
    opacity: 0.45;
    cursor: default;
}

button.cool,
.button.cool {
    --btn-accent: var(--color-accent-cool);
    --btn-text: var(--color-on-cool);
}

button.music,
.button.music {
    --btn-accent: var(--color-accent-music);
    --btn-text: var(--color-on-music);
}

button.secondary,
.button.secondary {
    background: transparent;
    color: var(--btn-accent);
}

button.secondary:hover:not(:disabled),
.button.secondary:hover {
    background: color-mix(in srgb, var(--btn-accent) 14%, transparent);
    color: var(--btn-accent);
}

button.small,
.button.small {
    padding: 0.4rem 0.95rem;
    font-size: 0.9rem;
}

button.link-button {
    padding: 0;
    border: none;
    background: none;
    color: var(--color-accent-primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

button.link-button:hover:not(:disabled) {
    transform: none;
    box-shadow: none;
    color: var(--color-text-strong);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

label {
    font-weight: 500;
}

/* Blazor's <InputText> renders an <input> without a type attribute. */
input:is(:not([type]), [type="text"], [type="email"], [type="password"], [type="search"]),
textarea {
    width: 100%;
    padding: 0.75rem 0.95rem;
    background: color-mix(in srgb, var(--color-ink) 5%, transparent);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    color: var(--color-text);
    font: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

input::placeholder,
textarea::placeholder {
    color: color-mix(in srgb, var(--color-ink) 35%, transparent);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent-cool);
    background: color-mix(in srgb, var(--color-ink) 7%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-cool) 25%, transparent);
}

textarea {
    resize: vertical;
}

input[type="radio"],
input[type="checkbox"] {
    width: 1.15rem;
    height: 1.15rem;
    margin: 0;
    accent-color: var(--color-accent-primary);
}

input[type="file"] {
    max-width: 100%;
    color: var(--color-text-muted);
    font: inherit;
}

input[type="file"]::file-selector-button {
    margin-right: 0.9rem;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--color-accent-cool);
    border-radius: 999px;
    background: transparent;
    color: var(--color-accent-cool);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
}

input[type="file"]:not(:disabled)::file-selector-button:hover {
    background: color-mix(in srgb, var(--color-accent-cool) 14%, transparent);
    box-shadow: 0 6px 22px color-mix(in srgb, var(--color-accent-cool) calc(35% * var(--glow)), transparent);
}

.invalid {
    border-color: var(--color-accent-primary) !important;
}

/* Simple stacked form (sign-in, admin login). */
.form-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-stack button {
    align-self: flex-start;
}

/* ==========================================================================
   Blazor
   ========================================================================== */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.text-danger {
    color: var(--color-error);
}

/* Access code input on /sign-in (the server upper-cases the code anyway). */
.token-input {
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}