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

:root {
    color-scheme: dark;
    --bg: #0b1020;
    --panel: rgba(16, 24, 39, 0.88);
    --panel-light: rgba(255, 255, 255, 0.055);
    --border: rgba(148, 163, 184, 0.22);
    --border-strong: rgba(148, 163, 184, 0.34);
    --text: #f8fafc;
    --muted: #aeb8c8;
    --muted-strong: #e2e8f0;
    --discord: #5865f2;
    --discord-dark: #4752c4;
    --google-text: #1f2937;
    --danger: #ef4444;
    --radius-xl: 28px;
    --radius-lg: 18px;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

html,
body {
    min-height: 100%;
}

body {
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 18% 18%, rgba(88, 101, 242, 0.16), transparent 28%),
        radial-gradient(circle at 82% 20%, rgba(148, 163, 184, 0.12), transparent 24%),
        linear-gradient(135deg, #070b14 0%, var(--bg) 48%, #111827 100%);
    color: var(--text);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.auth-layout,
.site-footer {
    width: min(1220px, calc(100% - 48px));
    margin-inline: auto;
}

.auth-layout {
    flex: 1;
    padding: clamp(42px, 6vw, 82px) 0 28px;
    display: grid;
    grid-template-columns: repeat(2, minmax(420px, 1fr));
    gap: clamp(54px, 7vw, 92px);
    align-items: center;
}

.hero-panel,
.login-panel {
    min-width: 0;
    display: flex;
    justify-content: center;
}

.hero-panel__content,
.login-card {
    width: min(100%, 540px);
    min-height: 450px;
    padding: clamp(34px, 4vw, 48px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(18, 27, 43, 0.94), rgba(11, 17, 29, 0.92));
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    text-align: center;
}

.hero-panel__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.eyebrow,
.card-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    border: 1px solid rgba(148, 163, 184, 0.24);
    background: rgba(255, 255, 255, 0.06);
    color: var(--muted-strong);
    border-radius: 999px;
    padding: 7px 13px;
    font-size: 0.72rem;
    font-weight: 760;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 auto 18px;
}

.hero-panel h1 {
    font-size: clamp(2.7rem, 4.7vw, 4.4rem);
    line-height: 1;
    letter-spacing: -0.055em;
    margin-bottom: 20px;
    text-wrap: balance;
}

.hero-panel p,
.subtitle,
.privacy-note,
.remember-box,
.auth-btn__meta {
    color: var(--muted);
    line-height: 1.58;
}

.hero-panel p {
    max-width: 46ch;
    margin-inline: auto;
    font-size: 1rem;
}

.login-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-card__header {
    padding-bottom: 24px;
    margin-bottom: 22px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.card-badge {
    margin-bottom: 14px;
}

.login-card h2 {
    font-size: clamp(2rem, 3vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.045em;
    margin-bottom: 10px;
}

.subtitle {
    max-width: 40ch;
    margin-inline: auto;
    font-size: 0.95rem;
}

.alert {
    display: grid;
    gap: 4px;
    margin-bottom: 18px;
    border-radius: 16px;
    padding: 14px 16px;
    border: 1px solid rgba(239, 68, 68, 0.36);
    background: rgba(127, 29, 29, 0.20);
    color: #fecaca;
    line-height: 1.45;
    text-align: center;
}

.alert span,
.alert strong {
    display: block;
}

.alert strong {
    color: #fee2e2;
}

.login-actions {
    display: grid;
    gap: 16px;
}

.provider-list {
    display: grid;
    gap: 12px;
}

.auth-btn {
    width: 100%;
    min-height: 66px;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    text-decoration: none;
    display: grid;
    grid-template-columns: 42px 1fr auto;
    align-items: center;
    gap: 13px;
    padding: 14px 16px;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, opacity 0.18s ease, background 0.18s ease;
    font: inherit;
    text-align: left;
}

.auth-btn__icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-grid;
    place-items: center;
    font-weight: 850;
    line-height: 1;
}

.auth-btn__content {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.auth-btn__title {
    font-size: 1rem;
    font-weight: 780;
}

.auth-btn__meta {
    font-size: 0.84rem;
}

.auth-btn__status {
    border-radius: 999px;
    padding: 5px 9px;
    background: rgba(15, 23, 42, 0.08);
    color: #64748b;
    font-size: 0.72rem;
    font-weight: 760;
}

.auth-btn--discord {
    background: linear-gradient(135deg, var(--discord), var(--discord-dark));
    color: #fff;
    box-shadow: 0 14px 34px rgba(88, 101, 242, 0.28);
}

.auth-btn--discord .auth-btn__icon {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
}

.auth-btn--discord .auth-btn__meta {
    color: rgba(255, 255, 255, 0.82);
}

.auth-btn--discord:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px rgba(88, 101, 242, 0.36);
}

.auth-btn--google {
    background: rgba(248, 250, 252, 0.92);
    border-color: rgba(255, 255, 255, 0.58);
    color: var(--google-text);
}

.auth-btn--google .auth-btn__icon {
    background: #fff;
    color: #111827;
    border: 1px solid rgba(15, 23, 42, 0.10);
}

.auth-btn--google .auth-btn__meta {
    color: #667085;
}

.auth-btn--locked,
.auth-btn:disabled {
    cursor: not-allowed;
    opacity: 0.72;
    box-shadow: none;
}

.auth-btn:disabled:hover {
    transform: none;
}

.remember-box {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 13px 14px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: var(--panel-light);
    font-size: 0.91rem;
    text-align: center;
}

.remember-box:hover {
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.065);
}

.remember-box input {
    flex: 0 0 auto;
    width: 1rem;
    height: 1rem;
    accent-color: var(--discord);
}

.privacy-note {
    padding: 13px 14px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(255, 255, 255, 0.035);
    font-size: 0.88rem;
    text-align: center;
}

.privacy-note p {
    margin: 0;
}

.privacy-note a {
    color: var(--text);
    font-weight: 720;
    text-decoration: none;
    border-bottom: 1px solid rgba(248, 250, 252, 0.36);
}

.privacy-note a:hover {
    border-bottom-color: rgba(248, 250, 252, 0.86);
}

.site-footer {
    padding: 18px 0 24px;
    display: flex;
    justify-content: center;
    gap: 22px;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.site-footer a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.site-footer a:hover {
    color: var(--text);
}

@media (max-width: 980px) {
    .auth-layout {
        grid-template-columns: 1fr;
        gap: 26px;
        align-items: start;
        padding-top: 32px;
    }

    .hero-panel__content,
    .login-card {
        width: min(100%, 620px);
        min-height: auto;
        margin-inline: auto;
    }
}

@media (max-width: 640px) {
    .auth-layout,
    .site-footer {
        width: min(100%, calc(100% - 24px));
    }

    .auth-layout {
        padding: 18px 0 20px;
    }

    .hero-panel__content,
    .login-card {
        border-radius: 22px;
        padding: 26px 18px;
    }

    .hero-panel h1 {
        font-size: clamp(2.25rem, 12vw, 3rem);
        margin-bottom: 14px;
    }

    .hero-panel p,
    .subtitle,
    .remember-box,
    .privacy-note {
        font-size: 0.9rem;
    }

    .login-card__header {
        padding-bottom: 18px;
        margin-bottom: 18px;
    }

    .auth-btn {
        min-height: 62px;
        grid-template-columns: 38px 1fr;
        gap: 10px;
        padding: 12px;
    }

    .auth-btn__icon {
        width: 38px;
        height: 38px;
        border-radius: 13px;
    }

    .auth-btn__status {
        grid-column: 2;
        justify-self: center;
        margin-top: 4px;
    }

    .site-footer {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    }
}