/**
 * UngDungAI Mail Hub — Custom WP Login Styles
 * Dark mode aware, brand colors, Vietnamese locale
 */
:root {
    --umh-primary: #16a34a;
    --umh-primary-dark: #15803d;
    --umh-primary-light: #22c55e;
    --umh-bg: #f0fdf4;
    --umh-card: #ffffff;
    --umh-border: #bbf7d0;
    --umh-text: #1e293b;
    --umh-muted: #64748b;
    --umh-error: #ef4444;
    --umh-success: #16a34a;
    --umh-focus: #86efac;
}

@media (prefers-color-scheme: dark) {
    :root {
        --umh-bg: #0f172a;
        --umh-card: #1e293b;
        --umh-border: #166534;
        --umh-text: #f1f5f9;
        --umh-muted: #94a3b8;
        --umh-focus: #166534;
    }
}

* {
    box-sizing: border-box;
}

body.login {
    background: var(--umh-bg) !important;
    font-family: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif !important;
    min-height: 100vh;
}

.login {
    padding-top: 40px !important;
}

.login #login {
    background: var(--umh-card) !important;
    border-radius: 16px !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1) !important;
    border: 1px solid var(--umh-border) !important;
    padding: 40px 32px !important;
    width: 400px !important;
    max-width: 100% !important;
}

.login h1 {
    text-align: center;
    margin: 0 0 24px !important;
}

.login h1 a {
    background-image: none !important;
    width: 100px !important;
    height: 100px !important;
    margin: 0 auto 16px !important;
    opacity: 1 !important;
    background-size: contain !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    display: block !important;
}

.login h1 a::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-image: url('https://ungdungai.edu.vn/wp-content/uploads/2026/07/cropped-logo-leansigmavn-vuong.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.login form {
    margin-top: 8px !important;
}

.login .input,
.login input[type="text"],
.login input[type="password"],
.login input[type="email"],
.login input[type="url"],
.login input[type="number"] {
    background: #f8fafc !important;
    border: 1px solid var(--umh-border) !important;
    border-radius: 10px !important;
    padding: 12px 16px !important;
    font-size: 15px !important;
    color: var(--umh-text) !important;
    width: 100% !important;
    transition: border-color 0.2s, box-shadow 0.2s !important;
}

@media (prefers-color-scheme: dark) {
    .login .input,
    .login input[type="text"],
    .login input[type="password"],
    .login input[type="email"],
    .login input[type="url"],
    .login input[type="number"] {
        background: #0f172a !important;
        border-color: #334155 !important;
    }
}

.login .input:focus,
.login input[type="text"]:focus,
.login input[type="password"]:focus,
.login input[type="email"]:focus {
    border-color: var(--umh-primary) !important;
    box-shadow: 0 0 0 3px var(--umh-focus) !important;
    outline: none !important;
}

.login label {
    color: var(--umh-text) !important;
    font-weight: 500 !important;
    margin-bottom: 6px !important;
    display: block !important;
    font-size: 14px !important;
}

.login .forgetmenot {
    margin-bottom: 20px !important;
}

.login .forgetmenot label {
    font-weight: 400 !important;
    font-size: 14px !important;
    cursor: pointer !important;
}

.login .forgetmenot input[type="checkbox"] {
    accent-color: var(--umh-primary) !important;
    width: 18px !important;
    height: 18px !important;
    margin-right: 8px !important;
}

.wp-core-ui .button-primary {
    background: var(--umh-primary) !important;
    border-color: var(--umh-primary) !important;
    color: #fff !important;
    font-weight: 600 !important;
    padding: 14px 24px !important;
    border-radius: 10px !important;
    font-size: 15px !important;
    width: 100% !important;
    transition: background 0.2s, transform 0.1s !important;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3) !important;
}

.wp-core-ui .button-primary:hover,
.wp-core-ui .button-primary:focus {
    background: var(--umh-primary-dark) !important;
    border-color: var(--umh-primary-dark) !important;
    box-shadow: 0 6px 16px rgba(22, 163, 74, 0.4) !important;
    transform: translateY(-1px) !important;
}

.wp-core-ui .button-primary:active {
    transform: translateY(0) !important;
}

.login #nav,
.login #backtoblog {
    text-align: center !important;
    margin: 20px 0 0 !important;
    padding: 0 !important;
}

.login #nav a,
.login #backtoblog a {
    color: var(--umh-primary) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 14px !important;
}

.login #nav a:hover,
.login #backtoblog a:hover {
    text-decoration: underline !important;
}

.login .message,
.login .error,
.login .success {
    border-radius: 10px !important;
    border: none !important;
    padding: 14px 16px !important;
    margin-bottom: 20px !important;
    font-size: 14px !important;
}

.login .error {
    background: #fef2f2 !important;
    color: #dc2626 !important;
    border-left: 4px solid var(--umh-error) !important;
}

.login .success,
.login .message {
    background: #f0fdf4 !important;
    color: #15803d !important;
    border-left: 4px solid var(--umh-success) !important;
}

@media (prefers-color-scheme: dark) {
    .login .error {
        background: #7f1d1d !important;
        color: #fca5a5 !important;
    }
    .login .success,
    .login .message {
        background: #14532d !important;
        color: #86efac !important;
    }
}

.login .privacy-policy-page-link {
    display: block;
    text-align: center;
    margin-top: 16px !important;
    font-size: 12px !important;
    color: var(--umh-muted) !important;
}

.umh-login-brand {
    text-align: center;
    color: var(--umh-muted);
    font-size: 13px;
    margin-bottom: 8px;
}

.umh-login-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 16px 0;
    font-size: 14px;
    flex-wrap: wrap;
}

.umh-login-links a {
    color: var(--umh-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.umh-login-links span {
    color: var(--umh-border);
}

/* RTL support */
.rtl .login #nav,
.rtl .login #backtoblog {
    text-align: center;
}

/* Responsive */
@media (max-width: 480px) {
    .login #login {
        padding: 24px 20px !important;
        margin: 0 16px !important;
    }
    .umh-login-links {
        flex-direction: column;
        gap: 8px;
    }
}