:root {
    font-family: Tahoma, Arial, sans-serif;
    color: #101828;
    background: #0b1020;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
}

.admin-login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 12% 18%, rgba(91, 33, 182, .44), transparent 32%),
        radial-gradient(circle at 88% 78%, rgba(14, 165, 233, .25), transparent 34%),
        linear-gradient(145deg, #090d19, #111831 58%, #0d1327);
}

.admin-login-card {
    width: min(100%, 470px);
    padding: 34px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 28px;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 30px 90px rgba(0, 0, 0, .36);
}

.admin-login-brand {
    text-align: center;
    margin-bottom: 26px;
}

.admin-login-brand img {
    max-width: 190px;
    max-height: 62px;
    object-fit: contain;
    margin-bottom: 14px;
}

.admin-login-brand > span {
    display: block;
    color: #6941c6;
    font-size: 13px;
    font-weight: 800;
}

.admin-login-brand h1 {
    margin: 10px 0 8px;
    font-size: 30px;
}

.admin-login-brand p {
    margin: 0;
    color: #667085;
    line-height: 1.9;
}

.admin-login-form {
    display: grid;
    gap: 18px;
}

.admin-login-form label {
    display: grid;
    gap: 8px;
    font-weight: 800;
}

.admin-login-form input[type="text"],
.admin-login-form input[type="email"],
.admin-login-form input[type="password"] {
    width: 100%;
    min-height: 50px;
    padding: 12px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 13px;
    outline: 0;
    background: #fff;
    font: inherit;
}

.admin-login-form input:focus {
    border-color: #7f56d9;
    box-shadow: 0 0 0 4px rgba(127, 86, 217, .12);
}

.admin-password-field {
    position: relative;
}

.admin-password-field input {
    padding-left: 78px !important;
}

.admin-password-field button {
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    border: 0;
    border-radius: 9px;
    padding: 0 12px;
    background: #f2f4f7;
    color: #475467;
    cursor: pointer;
}

.admin-remember-field {
    display: flex !important;
    align-items: center;
    gap: 8px !important;
    font-weight: 600 !important;
    color: #475467;
}

.admin-login-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    border: 0;
    border-radius: 13px;
    background: linear-gradient(135deg, #7f56d9, #4f46e5);
    color: #fff;
    font: inherit;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(79, 70, 229, .25);
}

.admin-login-validation {
    color: #b42318;
    background: #fef3f2;
    border-radius: 12px;
    line-height: 1.8;
}

.admin-login-validation:empty { display: none; }

.admin-login-validation ul {
    margin: 0;
    padding: 10px 30px 10px 10px;
}

.field-validation-error,
.admin-login-form small {
    color: #b42318;
    font-size: 12px;
}

.admin-back-site {
    display: block;
    margin-top: 20px;
    text-align: center;
    color: #475467;
    text-decoration: none;
}

.admin-access-denied {
    text-align: center;
}

.admin-access-denied .admin-login-submit {
    margin-top: 16px;
    padding: 0 22px;
}

@media (max-width: 520px) {
    .admin-login-page { padding: 14px; }
    .admin-login-card { padding: 24px 20px; border-radius: 22px; }
    .admin-login-brand h1 { font-size: 25px; }
}

.admin-captcha-field {
    display: grid;
    grid-template-columns: minmax(145px, .9fr) 1fr;
    gap: 10px;
    align-items: stretch;
}

.admin-captcha-field strong {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border: 1px dashed #98a2b3;
    border-radius: 13px;
    color: #344054;
    background: #f8fafc;
    font-size: 18px;
    letter-spacing: .04em;
    user-select: none;
}

.admin-captcha-field input[type="number"] {
    width: 100%;
    min-height: 50px;
    padding: 12px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 13px;
    outline: 0;
    background: #fff;
    font: inherit;
    direction: ltr;
    text-align: center;
}

.admin-captcha-help {
    color: #667085 !important;
}

@media (max-width: 420px) {
    .admin-captcha-field { grid-template-columns: 1fr; }
}