/* TWCC shared theme — mirrors webcreativecommunity.org */

:root {
    --color-bg-deep: #000000;
    --color-bg-radial: #3a0101;
    --color-accent: #8a0707;
    --color-accent-bright: #c41010;
    --color-text: #ffffff;
    --color-text-dim: rgba(255, 255, 255, 0.78);
    --color-text-muted: rgba(255, 255, 255, 0.55);
    --color-surface: rgba(10, 3, 3, 0.72);
    --color-surface-soft: rgba(196, 16, 16, 0.06);
    --color-surface-strong: rgba(196, 16, 16, 0.12);
    --color-border: rgba(138, 7, 7, 0.55);
    --color-border-soft: rgba(138, 7, 7, 0.35);
    --color-success: #4caf50;
    --color-danger: #ff5252;
    --color-warning: #ffb347;
    --font-brand: franklin-gothic-demi-cond, franklin-gothic-urw-cond, franklin-gothic-urw, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Mono', Consolas, 'Courier New', monospace;
    --radius-panel: 24px;
    --radius-card: 16px;
    --radius-control: 12px;
    --radius-pill: 999px;
}

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

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(196, 16, 16, 0.18) 0%, transparent 60%),
        radial-gradient(circle at center, var(--color-bg-radial) 0%, var(--color-bg-deep) 75%);
    background-attachment: fixed;
    color: var(--color-text);
    font-family: var(--font-brand);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Ambient glow accents */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 55vw;
    height: 55vw;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(40px);
}

body::before {
    top: -15%;
    left: -15%;
    background: radial-gradient(circle, rgba(196, 16, 16, 0.10) 0%, transparent 65%);
}

body::after {
    bottom: -20%;
    right: -15%;
    background: radial-gradient(circle, rgba(138, 7, 7, 0.08) 0%, transparent 65%);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    position: relative;
    z-index: 1;
}

/* Logo with halo */
.logo-container {
    text-align: center;
    margin: 0 0 2.5rem;
    position: relative;
}

.logo-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(196, 16, 16, 0.22) 0%, transparent 60%);
    filter: blur(24px);
    pointer-events: none;
    z-index: -1;
}

.logo {
    max-width: 250px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 0 16px rgba(196, 16, 16, 0.35));
}

/* Glass content panel */
.content {
    position: relative;
    text-align: center;
    max-width: 880px;
    margin: 2rem auto;
    padding: 3.5rem 3rem;
    background: var(--color-surface);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-panel);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.55),
        0 0 80px rgba(138, 7, 7, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Subtle gradient border highlight */
.content::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(196, 16, 16, 0.6) 0%,
        rgba(196, 16, 16, 0.05) 35%,
        rgba(196, 16, 16, 0.05) 65%,
        rgba(196, 16, 16, 0.4) 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    z-index: 0;
}

.content > * {
    position: relative;
    z-index: 1;
}

/* Wider variant for settings/dashboard pages */
.content--wide {
    max-width: 1140px;
}

/* Typography */
h1 {
    color: var(--color-text);
    font-size: 3rem;
    margin: 0 0 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    line-height: 1.1;
    text-shadow:
        0 0 28px rgba(196, 16, 16, 0.65),
        0 0 60px rgba(138, 7, 7, 0.45);
}

h2 {
    font-size: 1.35rem;
    margin: 0 0 2.5rem;
    font-weight: 400;
    color: var(--color-text-dim);
    letter-spacing: 0.01em;
    line-height: 1.45;
}

h3 {
    font-size: 1.35rem;
    margin: 2.25rem 0 1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.015em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

h3::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-bright), transparent);
    border-radius: 2px;
}

p {
    margin-bottom: 1.4rem;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text-dim);
}

a {
    color: #ff6f6f;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 111, 111, 0.3);
    transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: #ff9090;
    border-bottom-color: rgba(255, 144, 144, 0.7);
}

strong {
    color: var(--color-text);
    font-weight: 700;
}

em {
    color: rgba(255, 200, 200, 0.85);
}

code {
    background: rgba(196, 16, 16, 0.14);
    color: #ffb3b3;
    padding: 0.15rem 0.5rem;
    border-radius: 5px;
    border: 1px solid rgba(196, 16, 16, 0.22);
    font-family: var(--font-mono);
    font-size: 0.88em;
}

ul, ol {
    text-align: left;
    padding-left: 1.5rem;
    margin: 1rem 0 1.5rem;
    color: var(--color-text-dim);
}

li {
    margin-bottom: 0.7rem;
    line-height: 1.7;
}

li::marker {
    color: var(--color-accent-bright);
}

/* Tagline used on invite page */
.tagline {
    font-size: 1.2rem;
    color: var(--color-text-dim);
    margin: 0 0 1.5rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Description block */
.description {
    text-align: center;
    margin: 2rem auto;
    max-width: 800px;
}

/* Card surfaces inside the panel */
.card {
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: left;
}

.card h2,
.card h3 {
    margin-top: 0;
}

.card h3 {
    text-transform: none;
    letter-spacing: 0.005em;
    font-size: 1.15rem;
    display: block;
    padding-bottom: 0;
}

.card h3::after {
    display: none;
}

/* Two-column feature list */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 2rem;
    margin: 1rem 0;
}

.feature-grid ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-grid li {
    margin: 0.5rem 0;
    padding: 0;
    color: var(--color-text-dim);
    line-height: 1.55;
}

.feature-grid li::marker {
    content: none;
}

@media (max-width: 720px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Requirements / info callout */
.callout {
    background: var(--color-surface-strong);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 1.5rem 1.75rem;
    margin: 1.75rem 0;
    text-align: left;
}

.callout h2,
.callout h3 {
    margin-top: 0;
    color: var(--color-text);
}

.callout ul {
    margin: 0.5rem 0;
    padding-left: 0;
    list-style: none;
}

.callout li {
    margin: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-dim);
}

.callout li::marker {
    content: none;
}

.callout li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent-bright);
    font-weight: 700;
}

.callout--warning {
    border-color: rgba(255, 179, 71, 0.45);
    background: rgba(255, 179, 71, 0.08);
}

.callout--warning li::before {
    content: '!';
    color: var(--color-warning);
}

/* Primary CTA — used by both .button (invite page) and .social-button (legacy) */
.button,
.social-button,
.btn-cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    padding: 1rem 2rem;
    min-height: 60px;
    border-radius: 14px;
    text-decoration: none;
    font-family: var(--font-brand);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.25;
    color: var(--color-text);
    background: linear-gradient(180deg, rgba(22, 6, 6, 0.92) 0%, rgba(0, 0, 0, 0.95) 100%);
    border: 1px solid var(--color-border);
    box-shadow:
        0 6px 18px rgba(0, 0, 0, 0.45),
        0 0 22px rgba(196, 16, 16, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    overflow: hidden;
    isolation: isolate;
    cursor: pointer;
    transition:
        transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 0.25s ease,
        box-shadow 0.3s ease,
        background 0.3s ease;
}

.button::before,
.social-button::before,
.btn-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(196, 16, 16, 0.35) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: -1;
}

.button:hover,
.button:focus-visible,
.social-button:hover,
.social-button:focus-visible,
.btn-cta:hover,
.btn-cta:focus-visible {
    transform: translateY(-3px);
    border-color: rgba(196, 16, 16, 0.95);
    background: linear-gradient(180deg, rgba(138, 7, 7, 0.85) 0%, rgba(60, 5, 5, 0.95) 100%);
    box-shadow:
        0 12px 32px rgba(0, 0, 0, 0.55),
        0 0 36px rgba(196, 16, 16, 0.5),
        0 0 70px rgba(196, 16, 16, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.button:hover::before,
.button:focus-visible::before,
.social-button:hover::before,
.social-button:focus-visible::before,
.btn-cta:hover::before,
.btn-cta:focus-visible::before {
    opacity: 1;
}

.button:focus-visible,
.social-button:focus-visible,
.btn-cta:focus-visible {
    outline: 2px solid rgba(255, 130, 130, 0.7);
    outline-offset: 3px;
}

.button:active,
.social-button:active,
.btn-cta:active {
    transform: translateY(-1px);
    transition-duration: 0.1s;
}

@media (prefers-reduced-motion: reduce) {
    .button,
    .social-button,
    .btn-cta {
        transition: none;
    }
    .button:hover,
    .button:focus-visible,
    .social-button:hover,
    .social-button:focus-visible,
    .btn-cta:hover,
    .btn-cta:focus-visible {
        transform: none;
    }
}

/* Auth/CTA wrapper used on invite page */
.auth-cta {
    margin-top: 2rem;
    text-align: center;
}

.auth-warning {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-text-dim);
    line-height: 1.55;
}

/* Status icons (success, error, processing) */
.status-icon {
    font-size: 3.5rem;
    line-height: 1;
    margin: 0 0 1.25rem;
    display: block;
    text-align: center;
}

.status-icon--success {
    color: var(--color-success);
    text-shadow: 0 0 24px rgba(76, 175, 80, 0.55);
}

.status-icon--error {
    color: var(--color-danger);
    text-shadow: 0 0 24px rgba(255, 82, 82, 0.55);
}

/* Spinner */
.spinner {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    border: 3px solid rgba(255, 255, 255, 0.08);
    border-top-color: var(--color-accent-bright);
    border-right-color: var(--color-accent);
    border-radius: 50%;
    animation: twcc-spin 0.9s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation-duration: 3s;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    main {
        padding: 2rem 1rem;
    }
    .content {
        padding: 2.5rem 1.75rem;
        border-radius: 20px;
    }
    h1 {
        font-size: 2.25rem;
    }
    h2 {
        font-size: 1.15rem;
        margin-bottom: 2rem;
    }
    .logo {
        max-width: 220px;
    }
    .logo-container::before {
        width: 280px;
        height: 280px;
    }
}

@media (max-width: 768px) {
    main {
        padding: 1.5rem 0.75rem;
    }
    .content {
        padding: 2rem 1.25rem;
        border-radius: 18px;
    }
    h1 {
        font-size: 1.85rem;
    }
    h2 {
        font-size: 1.05rem;
    }
    .button,
    .social-button,
    .btn-cta {
        width: 100%;
        max-width: 320px;
    }
}