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

html, body { height: 100%; margin: 0; }

.auth-body {
    min-height: 100vh;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

.auth-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.6);
}

.auth-logo {
    text-align: center;
    margin-bottom: 16px;
}

.auth-logo img {
    border-radius: 8px;
}

.auth-title {
    color: #f1f5f9;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 4px;
}

.auth-subtitle {
    color: #94a3b8;
    font-size: 0.875rem;
    text-align: center;
    margin: 0 0 28px;
}

.auth-field {
    margin-bottom: 16px;
}

.auth-field label {
    display: block;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.auth-field .form-control {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    color: #f1f5f9;
    padding: 10px 14px;
    font-size: 0.9rem;
    width: 100%;
    transition: border-color 0.15s;
}

.auth-field .form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
    background: #0f172a;
    color: #f1f5f9;
}

.auth-field .form-control::placeholder { color: #475569; }

.auth-remember {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    font-size: 0.875rem;
}

.auth-remember .form-check-input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.auth-btn {
    width: 100%;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 11px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.auth-btn:hover { background: #1d4ed8; color: #fff; }

.auth-error {
    background: rgba(239,68,68,0.15);
    border: 1px solid rgba(239,68,68,0.4);
    color: #fca5a5;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.auth-success {
    background: rgba(34,197,94,0.15);
    border: 1px solid rgba(34,197,94,0.4);
    color: #86efac;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-links a {
    color: #60a5fa;
    font-size: 0.875rem;
    text-decoration: none;
}

.auth-links a:hover { text-decoration: underline; }

/* Password rules checklist */
.pw-rules {
    background: rgba(255,255,255,0.04);
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pw-rule {
    font-size: 0.82rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: color 0.15s;
}

.pw-rule .pw-icon {
    font-size: 0.75rem;
    width: 14px;
    text-align: center;
    color: #ef4444;
    transition: color 0.15s;
}

.pw-rule.pw-rule-ok { color: #94a3b8; }
.pw-rule.pw-rule-ok .pw-icon { color: #22c55e; }

.pw-match-msg {
    font-size: 0.8rem;
    margin-top: 5px;
}
.pw-match-ok   { color: #22c55e; }
.pw-match-fail { color: #ef4444; }