/* Login page — scoped styles (does not affect dashboard) */

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 45%, #1e293b 100%);
    color: #0f172a;
}

.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.login-card-wide {
    max-width: 480px;
}

.login-card-header {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: #fff;
    padding: 1.75rem 1.5rem 1.25rem;
    text-align: center;
}

.login-card-header img {
    max-height: 72px;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
}

.login-card-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.login-card-header p {
    margin: 0;
    font-size: 0.8125rem;
    opacity: 0.9;
}

.verify-link-box {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 0.5rem;
    padding: 1rem 1.1rem;
}

.verify-link-box-title {
    font-weight: 600;
    color: #166534;
    margin: 0;
}

.verify-link-url {
    color: #64748b;
    font-family: ui-monospace, monospace;
    font-size: 0.7rem;
}

.login-card-body {
    padding: 1.5rem 1.75rem 1.75rem;
}

.login-card-body .form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.35rem;
}

.login-card-body .form-control {
    border-radius: 0.5rem;
    border-color: #e2e8f0;
    padding: 0.55rem 0.75rem;
}

.login-card-body .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.btn-login {
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
    border: none;
    font-weight: 600;
    padding: 0.65rem 1rem;
    border-radius: 0.5rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btn-login:hover:not(:disabled) {
    background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-login:disabled {
    opacity: 0.65;
}

/* Captcha challenge */
.captcha-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.625rem;
    padding: 1rem;
}

.captcha-challenge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.captcha-image-wrap {
    flex: 1;
    min-width: 0;
}

.captcha-image {
    display: block;
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 0.375rem;
    background: #fff;
}

.captcha-input-wrap input {
    flex: 1;
    font-weight: 600;
    font-size: 1.0625rem;
    letter-spacing: 0.12em;
}

.btn-captcha-refresh {
    flex-shrink: 0;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #475569;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    transition: background 0.15s, border-color 0.15s;
}

.btn-captcha-refresh:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #1e293b;
}

.captcha-hint {
    font-size: 0.75rem;
    color: #64748b;
    margin: 0.5rem 0 0;
}

/* Demo account */
.demo-notice {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
    color: #1e40af;
}

.demo-notice strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #1d4ed8;
}

.demo-credentials {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.demo-credentials span {
    color: #334155;
}

.password-toggle-btn {
    border-color: #e2e8f0;
    color: #64748b;
    font-size: 0.8125rem;
}

.alert-login {
    border-radius: 0.5rem;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
}

@media (max-width: 480px) {
    .login-card-body {
        padding: 1.25rem 1.25rem 1.5rem;
    }

    .captcha-challenge {
        flex-direction: column;
        align-items: stretch;
    }

    .captcha-image {
        max-width: 100%;
    }
}