:root {
    --admin-primary: #154e9d;
    --admin-primary-dark: #0b326c;
    --admin-text: #122033;
    --admin-muted: #6c7b8f;
    --admin-border: #dce4ee;
    --admin-background: #f1f5fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

.admin-login-page {
    min-height: 100vh;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(
            circle at top,
            #ffffff 0,
            #f5f8fc 40%,
            #e8eef6 100%
        );
}

.admin-login-card {
    width: min(455px, 100%);
    padding: 40px;
    border: 1px solid var(--admin-border);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 25px 65px rgba(16, 40, 75, 0.14);
}

.admin-login-brand {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-login-brand img {
    height: 52px;
    max-width: 210px;
    object-fit: contain;
}

.admin-login-brand strong {
    color: var(--admin-primary-dark);
    font-size: 1.35rem;
}

.admin-login-brand span {
    padding-left: 16px;
    border-left: 1px solid #d7dfe9;
    color: var(--admin-primary-dark);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.admin-login-heading > span {
    color: var(--admin-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.admin-login-heading h1 {
    margin: 6px 0 8px;
    color: var(--admin-text);
    font-size: 1.8rem;
    font-weight: 780;
}

.admin-login-heading p {
    margin: 0 0 25px;
    color: var(--admin-muted);
    line-height: 1.55;
}

.admin-login-alert {
    margin-bottom: 20px;
    padding: 13px 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid #f0b7b7;
    border-radius: 9px;
    background: #fff0f0;
    color: #b42318;
    font-size: 0.88rem;
}

.admin-login-field {
    margin-bottom: 17px;
}

.admin-login-field label {
    display: block;
    margin-bottom: 7px;
    color: #405067;
    font-size: 0.87rem;
    font-weight: 700;
}

.admin-login-input {
    position: relative;
}

.admin-login-input > i {
    position: absolute;
    top: 50%;
    left: 14px;
    color: #728197;
    transform: translateY(-50%);
}

.admin-login-input input {
    width: 100%;
    height: 50px;
    padding: 0 46px 0 43px;
    border: 1px solid #cdd6e1;
    border-radius: 9px;
    background: #ffffff;
    color: var(--admin-text);
    outline: none;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}

.admin-login-input input::placeholder {
    color: #9ba7b7;
}

.admin-login-input input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 4px rgba(21, 78, 157, 0.1);
}

.admin-password-toggle {
    position: absolute;
    top: 50%;
    right: 7px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #728197;
    transform: translateY(-50%);
    cursor: pointer;
}

.admin-password-toggle:hover {
    background: #edf3fb;
    color: var(--admin-primary);
}

.admin-login-submit {
    width: 100%;
    min-height: 50px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 0;
    border-radius: 9px;
    background: var(--admin-primary);
    color: #ffffff;
    font-weight: 750;
    cursor: pointer;
    transition:
        background 0.2s,
        transform 0.2s;
}

.admin-login-submit:hover {
    background: var(--admin-primary-dark);
    transform: translateY(-1px);
}

.admin-login-footer {
    margin-top: 23px;
    padding-top: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border-top: 1px solid #e8edf3;
    color: var(--admin-muted);
    font-size: 0.79rem;
}

@media (max-width: 576px) {
    .admin-login-page {
        padding: 15px;
    }

    .admin-login-card {
        padding: 30px 23px;
    }

    .admin-login-brand img {
        height: 43px;
        max-width: 160px;
    }

    .admin-login-brand span {
        font-size: 0.7rem;
    }
}