/**
 * Tars AI auth pages — light (white + soft blue).
 */

:root {
    --izi-bg: #f4f8fc;
    --izi-bg-elev: #ffffff;
    --izi-bg-sunken: #eaf2fa;
    --izi-border: #d5e4f2;
    --izi-border-strong: #b8d0e8;
    --izi-text: #1a2b3c;
    --izi-heading: #0f172a;
    --izi-muted: #64748b;
    --izi-primary: #2563eb;
    --izi-primary-hover: #1d4ed8;
    --izi-beige: #2563eb;
    --izi-beige-hover: #1d4ed8;
    --izi-beige-text: #ffffff;
    --izi-danger: #dc2626;
    --izi-radius: 16px;
    --izi-radius-sm: 10px;
    --izi-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --izi-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

body.izi-auth-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--izi-font);
    color: var(--izi-text);
    background:
        radial-gradient(1100px 700px at 15% -10%, rgba(37, 99, 235, 0.14), transparent 58%),
        radial-gradient(900px 600px at 100% 5%, rgba(56, 189, 248, 0.10), transparent 65%),
        linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

body.izi-auth-body h1,
body.izi-auth-body h2,
body.izi-auth-body h3 {
    color: var(--izi-heading);
}

.izi-auth-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
}

.izi-auth-brand {
    display: inline-flex;
    align-items: center;
    color: var(--izi-text);
    text-decoration: none;
}

.izi-auth-brand-img {
    display: block;
    max-width: 200px;
    height: auto;
    max-height: 44px;
    object-fit: contain;
    object-position: left center;
}

.izi-auth-brand:hover .izi-auth-brand-img {
    opacity: 0.92;
}

.izi-auth-topbar-link {
    color: var(--izi-muted);
    font-size: 13px;
    text-decoration: none;
}
.izi-auth-topbar-link:hover { color: var(--izi-text); }

.izi-auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 20px 60px;
}

.izi-auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--izi-bg-elev);
    border: 1px solid var(--izi-border);
    border-radius: var(--izi-radius);
    padding: 32px 30px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 18px 40px rgba(37, 99, 235, 0.08);
}

.izi-auth-title {
    margin: 0 0 6px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.izi-auth-subtitle {
    margin: 0 0 24px;
    color: var(--izi-muted);
    font-size: 14px;
}

.izi-auth-form { display: flex; flex-direction: column; gap: 14px; }

.izi-auth-field { display: flex; flex-direction: column; gap: 6px; }

.izi-auth-label {
    font-size: 13px;
    color: var(--izi-muted);
    font-weight: 500;
}

.izi-auth-input {
    width: 100%;
    padding: 12px 14px;
    background: #ffffff;
    border: 1px solid var(--izi-border-strong);
    color: var(--izi-text);
    border-radius: var(--izi-radius-sm);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.izi-auth-input:focus {
    outline: none;
    border-color: var(--izi-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.izi-auth-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--izi-muted);
}

.izi-auth-remember input { accent-color: var(--izi-primary); }

.izi-auth-submit {
    width: 100%;
    padding: 12px 16px;
    background: var(--izi-beige);
    color: var(--izi-beige-text);
    border: none;
    border-radius: var(--izi-radius-sm);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22);
    transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
    margin-top: 6px;
}

.izi-auth-submit:hover {
    background: var(--izi-beige-hover);
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.28);
}

.izi-auth-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.izi-auth-submit:disabled:hover {
    background: var(--izi-beige);
    transform: none;
}

.izi-auth-captcha {
    margin-top: 2px;
}

.izi-auth-captcha .smart-captcha {
    display: flex;
    justify-content: center;
    min-height: 100px;
}

.izi-auth-error {
    margin: 0 0 16px;
    padding: 11px 14px;
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.25);
    color: #b91c1c;
    border-radius: var(--izi-radius-sm);
    font-size: 13px;
}

.izi-auth-success {
    margin: 0 0 16px;
    padding: 11px 14px;
    background: rgba(22, 163, 74, 0.08);
    border: 1px solid rgba(22, 163, 74, 0.25);
    color: #166534;
    border-radius: var(--izi-radius-sm);
    font-size: 13px;
}

.izi-auth-divider {
    margin: 22px 0;
    height: 1px;
    background: var(--izi-border);
}

.izi-auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--izi-muted);
    flex-wrap: wrap;
}

.izi-auth-links a {
    color: var(--izi-primary);
    text-decoration: none;
}
.izi-auth-links a:hover { color: var(--izi-primary-hover); }

.izi-auth-legal {
    margin-top: 20px;
    font-size: 12px;
    color: var(--izi-muted);
    text-align: center;
    line-height: 1.5;
}

.izi-auth-legal a { color: var(--izi-muted); text-decoration: underline; }
.izi-auth-legal a:hover { color: var(--izi-text); }

.izi-auth-footer {
    text-align: center;
    padding: 20px;
    color: var(--izi-muted);
    font-size: 12px;
}

@media (max-width: 520px) {
    .izi-auth-topbar { padding: 16px 18px; }
    .izi-auth-card { padding: 26px 22px; }
}