/* ==================== CLOSED ALPHA — porte d'entrée ====================
   Reprend le décor de la page de connexion (login.css : fond, personnages,
   braises) et pose au centre le logo et deux cartes : Monster Key, nouvelles. */

:root {
    --al-gold: #d4a829;
    --al-gold-light: #f5d74e;
    --al-gold-pale: #ffe7a0;
    --al-copper: #b87333;
    --al-parchment: #e8dcc8;
    --al-dim: rgba(232, 220, 200, 0.68);
    --al-crystal: #5eadff;
    --al-crystal-light: #aee0ff;
    --al-ok: #7fe0a8;
    --al-error: #ff8a7a;
}

body.alpha-page {
    display: block;
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--al-parchment);
}

.alpha-shell {
    position: relative;
    z-index: 5;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: max(28px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

/* ---------------------------------------------------------------- en-tête */

.alpha-header {
    text-align: center;
    animation: alphaRise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.alpha-logo {
    line-height: 0;
    margin: 0 auto;
}

.alpha-logo img {
    display: block;
    width: min(82vw, 440px);
    height: auto;
    margin: 0 auto;
    filter:
        drop-shadow(0 4px 3px rgba(0, 0, 0, 0.75))
        drop-shadow(0 0 22px rgba(212, 168, 41, 0.28));
    animation: alphaLogoFloat 7s ease-in-out infinite;
}

.alpha-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    padding: 7px 18px 7px 14px;
    font-family: 'Cinzel', Georgia, serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--al-gold-pale);
    background: linear-gradient(180deg, rgba(40, 28, 14, 0.92), rgba(18, 12, 6, 0.92));
    border: 1px solid rgba(245, 215, 78, 0.55);
    clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 10px 100%, 0 50%);
    box-shadow: inset 0 0 18px rgba(94, 173, 255, 0.08);
}

.alpha-gem {
    width: 10px;
    height: 10px;
    transform: rotate(45deg);
    border: 1px solid var(--al-gold-light);
    background: linear-gradient(135deg, #e8f6ff 0%, var(--al-crystal-light) 30%, var(--al-crystal) 65%, #1f5fa8 100%);
    box-shadow: 0 0 10px rgba(94, 173, 255, 0.9);
    animation: alphaGem 2.8s ease-in-out infinite;
}

.alpha-tagline {
    margin: 12px auto 0;
    max-width: 520px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--al-dim);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* ---------------------------------------------------------------- bandeau connecté */

.alpha-signed-in {
    max-width: 760px;
    padding: 10px 16px;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
    color: var(--al-parchment);
    background: rgba(20, 14, 8, 0.86);
    border: 1px solid rgba(94, 173, 255, 0.45);
    border-radius: 6px;
}

.alpha-signed-in strong { color: var(--al-gold-pale); }

/* ---------------------------------------------------------------- cartes */

.alpha-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 360px));
    gap: 22px;
    justify-content: center;
    width: 100%;
    animation: alphaRise 0.9s 0.12s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.alpha-card {
    --cut: 8px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 26px 24px 22px;
    background: linear-gradient(160deg, rgba(34, 24, 14, 0.94) 0%, rgba(14, 10, 6, 0.95) 60%, rgba(26, 17, 9, 0.94) 100%);
    clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% calc(100% - var(--cut)),
        calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut));
    filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.7));
}

/* Cadre cuivre et or à coins coupés, dessiné derrière le contenu. */
.alpha-card::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: linear-gradient(135deg, #c18a2e, #9a6526 28%, #74451b 50%, #9a6526 72%, #c18a2e);
    clip-path: inherit;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
    pointer-events: none;
}

.alpha-card h2 {
    margin: 0;
    font-family: 'Cinzel', Georgia, serif;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 0.04em;
    background: linear-gradient(180deg, var(--al-gold-pale) 0%, var(--al-gold-light) 40%, var(--al-gold) 70%, var(--al-copper) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.alpha-card-text {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--al-dim);
}

.alpha-field input {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    font-size: 16px;
    color: var(--al-parchment);
    background: rgba(5, 3, 2, 0.72);
    border: 1px solid rgba(212, 168, 41, 0.42);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#keyInput {
    font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
    letter-spacing: 0.08em;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.alpha-field input::placeholder { color: rgba(232, 220, 200, 0.32); }

.alpha-field input:focus {
    border-color: var(--al-crystal);
    box-shadow: 0 0 0 3px rgba(94, 173, 255, 0.18), 0 0 18px rgba(94, 173, 255, 0.22);
}

.alpha-check {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.5;
    color: var(--al-dim);
    cursor: pointer;
}

.alpha-check input {
    flex: none;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    accent-color: var(--al-gold);
}

.alpha-check a,
.alpha-login a,
.alpha-footer a,
.alpha-link {
    color: var(--al-crystal-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.alpha-link {
    margin-left: 6px;
    padding: 0;
    font: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

.alpha-btn {
    min-height: 50px;
    padding: 12px 22px;
    font-family: 'Cinzel', Georgia, serif;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1a1006;
    text-shadow: 0 1px 0 rgba(255, 231, 160, 0.6);
    background: linear-gradient(180deg, var(--al-gold-pale) 0%, var(--al-gold-light) 18%, var(--al-gold) 55%, var(--al-copper) 100%);
    border: 1px solid var(--al-gold-light);
    clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 10px 100%, 0 50%);
    filter: drop-shadow(0 0 6px rgba(94, 173, 255, 0.4));
    cursor: pointer;
    transition: filter 0.2s, transform 0.12s;
}

.alpha-btn:hover,
.alpha-btn:focus-visible {
    outline: none;
    filter: brightness(1.08) drop-shadow(0 0 10px rgba(94, 173, 255, 0.85)) drop-shadow(0 0 20px rgba(94, 173, 255, 0.4));
}

.alpha-btn:active { transform: translateY(1px) scale(0.99); }
.alpha-btn:disabled { cursor: wait; filter: saturate(0.6) brightness(0.8); }

.alpha-btn-secondary {
    color: var(--al-gold-pale);
    text-shadow: none;
    background: linear-gradient(180deg, rgba(60, 42, 20, 0.95), rgba(26, 17, 9, 0.95));
}

.alpha-message {
    min-height: 1.4em;
    margin: 0;
    font-size: 14px;
    line-height: 1.45;
    text-align: center;
}

.alpha-message.is-error { color: var(--al-error); }
.alpha-message.is-ok { color: var(--al-ok); }

.alpha-card.is-done .alpha-field,
.alpha-card.is-done .alpha-check,
.alpha-card.is-done .alpha-btn { display: none; }

/* ---------------------------------------------------------------- bas de page */

.alpha-login {
    margin: 4px 0 0;
    text-align: center;
}

.alpha-account-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 20px;
    font-family: 'Cinzel', Georgia, serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none !important;
    color: var(--al-gold-pale);
    background: linear-gradient(180deg, rgba(60, 42, 20, 0.95), rgba(24, 16, 8, 0.95));
    border: 1px solid rgba(212, 168, 41, 0.55);
    clip-path: polygon(3px 0, calc(100% - 3px) 0, 100% 3px, 100% calc(100% - 3px), calc(100% - 3px) 100%, 3px 100%, 0 calc(100% - 3px), 0 3px);
}

.alpha-account-btn:hover,
.alpha-account-btn:focus-visible {
    outline: none;
    border-color: var(--al-crystal);
    filter: drop-shadow(0 0 10px rgba(94, 173, 255, 0.45));
}

.alpha-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    font-size: 12.5px;
    color: rgba(232, 220, 200, 0.5);
}

.alpha-footer a { color: rgba(232, 220, 200, 0.72); }

.alpha-lang {
    position: fixed;
    top: max(14px, env(safe-area-inset-top));
    right: 16px;
    z-index: 20;
    display: flex;
    gap: 4px;
}

.alpha-lang button {
    min-width: 44px;
    min-height: 36px;
    font-family: 'Cinzel', Georgia, serif;
    font-weight: 700;
    font-size: 13px;
    color: var(--al-dim);
    background: rgba(14, 10, 6, 0.8);
    border: 1px solid rgba(212, 168, 41, 0.35);
    border-radius: 4px;
    cursor: pointer;
}

.alpha-lang button[aria-pressed="true"] {
    color: #1a1006;
    background: var(--al-gold);
    border-color: var(--al-gold-light);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------------------------------------------------------------- animations */

@keyframes alphaRise {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
}

@keyframes alphaLogoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes alphaGem {
    0%, 100% { box-shadow: 0 0 8px rgba(94, 173, 255, 0.7), 0 0 18px rgba(94, 173, 255, 0.3); }
    50% { box-shadow: 0 0 14px rgba(174, 224, 255, 1), 0 0 30px rgba(94, 173, 255, 0.6); }
}

@media (max-width: 780px) {
    .alpha-cards { grid-template-columns: minmax(0, 100%); max-width: 420px; }
    /* Sous les boutons EN / FR, qui restent fixés en haut à droite. */
    .alpha-shell {
        justify-content: flex-start;
        gap: 16px;
        padding-top: calc(max(14px, env(safe-area-inset-top)) + 52px);
        padding-left: max(14px, env(safe-area-inset-left));
        padding-right: max(14px, env(safe-area-inset-right));
    }
    .alpha-logo img { width: min(88vw, 360px); }
    .alpha-tagline { font-size: 15px; padding: 0 8px; }
    .alpha-card { padding: 22px 18px 18px; }
    .alpha-account-btn { min-height: 44px; padding: 10px 22px; }
}

@media (prefers-reduced-motion: reduce) {
    .alpha-page *,
    .alpha-page *::before { animation: none !important; transition: none !important; }
}