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

:root {
    --bg:          #060608;
    --surface:     rgba(255,255,255,.05);
    --surface-2:   rgba(255,255,255,.07);
    --border:      rgba(255,255,255,.10);
    --hi:          #ffffff;
    --hi-dim:      rgba(255,255,255,.08);
    --hi-glow:     rgba(255,255,255,.20);
    --red:         #f87171;
    --text:        #ffffff;
    --text-2:      #a0a0a6;
    --text-3:      #8b8b92;
    --radius:      16px;
    --radius-sm:   10px;
    --transition:  .2s cubic-bezier(.4,0,.2,1);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Poppins', system-ui, sans-serif;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Background grid ───────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

/* ── Card ──────────────────────────────────────────────────── */
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1000px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px calc(40px + var(--safe-bottom));
    box-shadow: 0 24px 80px rgba(0,0,0,.55);
}

/* ── Logo area ─────────────────────────────────────────────── */
.login-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--hi-dim);
    border: 1.5px solid var(--hi-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
}
.login-logo i { font-size: 28px; color: var(--hi); }
.login-logo .pulse {
    position: absolute;
    inset: -7px;
    border-radius: 22px;
    border: 1.5px solid var(--hi-glow);
    animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: .4; transform: scale(1); }
    50%       { opacity: 0;  transform: scale(1.1); }
}

.login-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.3px;
    margin-bottom: 4px;
}
.login-sub {
    text-align: center;
    font-size: 12.5px;
    color: var(--text-3);
    margin-bottom: 32px;
}

/* ── Fields ────────────────────────────────────────────────── */
.field-group { margin-bottom: 14px; }

.field-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    letter-spacing: .07em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.field-wrap {
    position: relative;
}
.field-wrap i.field-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-3);
    font-size: 17px;
    pointer-events: none;
}
.field-wrap input {
    width: 100%;
    background: var(--surface-2);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    padding: 12px 14px 12px 42px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.field-wrap input:focus {
    border-color: var(--hi);
    box-shadow: 0 0 0 3px var(--hi-dim);
}
.field-wrap input::placeholder { color: var(--text-3); }

/* ── Submit ────────────────────────────────────────────────── */
.btn-signin {
    width: 100%;
    margin-top: 24px;
    padding: 14px;
    background: var(--hi);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 24px var(--hi-glow);
    transition: opacity var(--transition), transform var(--transition);
}
.btn-signin:hover   { opacity: .9;  transform: translateY(-1px); }
.btn-signin:active  { opacity: .85; transform: translateY(0); }
.btn-signin:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ── Error ─────────────────────────────────────────────────── */
#login-error {
    margin-top: 14px;
    font-size: 12px;
    color: var(--red);
    text-align: center;
    min-height: 18px;
}

/* ── Footer ────────────────────────────────────────────────── */
.login-footer {
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 11.5px;
    color: var(--text-3);
}
.login-footer i { font-size: 13px; }

/* ── Spinner ───────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

/* ── v0.48 mono overrides ── */
.login-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(20px) saturate(180%) brightness(0.92);
    -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(0.92);
}
.login-card input {
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
}
.btn-signin {
    background: #fff;
    color: #000;
    border-radius: var(--radius-sm);
}