:root {
    --primary-color: #072f57;
    --secondary-color: #0b75a5;
    --accent-color: #2f9e44;
    --border-color: #cfe1dc;
    --muted-text: #64748b;
    --body-font: Aptos, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --heading-font: 'Segoe UI Variable Display', 'Aptos Display', Aptos, 'Segoe UI', sans-serif;
}

body {
    background:
        radial-gradient(1200px 720px at 15% 35%, rgba(255,255,255,.84), rgba(255,255,255,.18) 55%, transparent 75%),
        radial-gradient(1100px 720px at 82% 56%, rgba(47,158,68,.2), rgba(11,117,165,.14) 52%, transparent 75%),
        linear-gradient(135deg, #ffffff, #eef9f3 48%, #eaf5fb);
    min-height: 100vh;
    font-family: var(--body-font);
    color: #0f172a;
    margin: 0;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-login-page {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.admin-login-page::after {
    content: "";
    position: absolute;
    top: -12%;
    right: -18%;
    width: 62%;
    height: 124%;
    background: radial-gradient(circle at 30% 40%, rgba(47,158,68,.28), rgba(11,117,165,.16) 55%, transparent 78%);
    transform: rotate(6deg);
    z-index: -1;
}

.login-shell {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    padding: 18px 0 8px;
}

.login-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 460px;
    gap: clamp(18px, 4vw, 44px);
    align-items: center;
}

.login-left {
    min-width: 0;
}

.login-hero {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 14px;
    flex-wrap: nowrap;
}

.login-brand-mark {
    width: clamp(96px, 10vw, 156px);
    height: clamp(96px, 10vw, 156px);
    border-radius: 24px;
    display: grid;
    place-items: center;
    color: #fff;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.22);
    flex: 0 0 auto;
    overflow: hidden;
    padding: 8px;
}

.login-brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.login-brand-name {
    font-family: var(--heading-font);
    font-weight: 950;
    letter-spacing: 0;
    color: var(--secondary-color);
    font-size: clamp(1.1rem, 1.6vw, 1.35rem);
    margin-bottom: 8px;
}

.login-hero-title {
    font-family: var(--heading-font);
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.12;
    font-size: clamp(1.55rem, 2.35vw, 2.55rem);
    margin: 0;
    min-width: 0;
    max-width: 34ch;
    overflow-wrap: anywhere;
    color: var(--primary-color);
}

.login-right {
    position: relative;
    padding: 34px 18px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(47,158,68,.24), rgba(11,117,165,.12));
    border: 1px solid rgba(255,255,255,.38);
    box-shadow: 0 22px 60px rgba(0,0,0,.18);
    backdrop-filter: blur(8px);
}

.login-card {
    background: rgba(255,255,255,.82);
    border: 1px solid rgba(0,0,0,.10);
    border-radius: 22px;
    box-shadow: 0 18px 48px rgba(0,0,0,.18);
    padding: 24px 22px 22px;
    backdrop-filter: blur(14px);
}

.form-label {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.auth-input .input-group-text {
    background: #eef9f3;
    border-right: 0;
}

.auth-input .form-control {
    border-left: 0;
    background: #eef9f3;
    min-height: 46px;
}

.auth-input .form-control:focus {
    box-shadow: none;
    background: #fff;
}

.auth-input .password-toggle {
    background: #eef9f3;
    cursor: pointer;
    user-select: none;
}

.auth-input .password-toggle:focus {
    box-shadow: none;
}

.auth-input .input-group-text i {
    color: rgba(0,0,0,.45);
}

.login-submit {
    border-radius: 14px;
    font-weight: 900;
    letter-spacing: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    border: 0;
    box-shadow: 0 14px 30px rgba(11,117,165,.22);
    transition: transform .14s ease, box-shadow .18s ease, filter .18s ease;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 38px rgba(47,158,68,.26);
    filter: brightness(1.02);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--muted-text);
}

.login-footer a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 700;
}

.alert {
    margin-bottom: 20px;
    border-radius: 8px;
}

.was-validated .form-control:invalid {
    border-color: #dc2626;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

@media (min-width: 992px) {
    .login-right {
        transform: translateX(-16px);
    }
}

@media (max-width: 991.98px) {
    .login-shell {
        padding: 14px 0 8px;
    }

    .login-grid {
        grid-template-columns: 1fr;
    }

    .login-right {
        padding: 18px 14px;
    }

    .login-hero {
        gap: 12px;
        flex-wrap: wrap;
    }
}