:root {
    --adm-login-accent: #27ae60;
    --adm-login-accent-soft: #d3f3df;
    --adm-login-ink: #1f2937;
    --adm-login-muted: #6b7280;
}
html, body { height: 100%; }
body.adm-login-body {
    margin: 0;
    min-height: 100vh;
    background: #f4f6fa var(--adm-login-bg, none) center/cover no-repeat fixed;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--adm-login-ink);
}
.adm-login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}
.adm-login-card {
    width: 100%;
    max-width: 26rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 1.25rem;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18), 0 4px 12px rgba(15, 23, 42, 0.06);
    padding: 1.75rem 1.5rem;
}
.adm-login-brand {
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.adm-login-brand-mark {
    width: 2.5rem; height: 2.5rem; border-radius: 0.75rem;
    background: var(--adm-login-accent);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; box-shadow: 0 6px 16px rgba(39, 174, 96, 0.25);
}
.adm-login-brand-text { line-height: 1.1; }
.adm-login-brand-text strong { display: block; font-size: 1rem; }
.adm-login-brand-text span { font-size: 0.78rem; color: var(--adm-login-muted); }
.adm-login-title {
    font-size: 1.25rem; margin: 0 0 0.25rem; font-weight: 600;
    display: flex; align-items: center; gap: 0.5rem;
}
.adm-login-title .back-btn {
    background: transparent; border: 0; padding: 0.15rem 0.25rem;
    color: var(--adm-login-ink); cursor: pointer;
    border-radius: 0.4rem; line-height: 1;
}
.adm-login-title .back-btn:hover { background: rgba(0,0,0,0.06); }
.adm-login-hint { font-size: 0.85rem; color: var(--adm-login-muted); margin-bottom: 1rem; line-height: 1.45; word-break: break-word; }
.adm-login-form label { font-size: 0.8rem; font-weight: 500; color: #374151; margin-bottom: 0.25rem; }
.adm-login-form .form-control {
    border-radius: 0.6rem;
    border-color: #e5e7eb;
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    background-color: rgba(255, 255, 255, 0.92);
}
.adm-login-form .form-control:focus {
    border-color: var(--adm-login-accent);
    box-shadow: 0 0 0 0.18rem rgba(39, 174, 96, 0.18);
    background-color: #fff;
}
.adm-login-btn {
    width: 100%;
    border: 0;
    border-radius: 0.6rem;
    padding: 0.75rem 0.9rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: var(--adm-login-accent);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.22);
    transition: transform .08s ease-in-out, filter .15s ease-in-out, opacity .15s ease;
}
.adm-login-btn:hover:not([disabled]) { filter: brightness(1.04); }
.adm-login-btn:active:not([disabled]) { transform: translateY(1px); }
.adm-login-btn[disabled] { background: #cbd5e1; box-shadow: none; cursor: not-allowed; }
.adm-login-alert {
    border-radius: 0.6rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.85rem;
    margin-bottom: 0.9rem;
}
.adm-login-alert.danger {
    background: rgba(220, 38, 38, 0.10); color: #b91c1c; border: 1px solid rgba(220, 38, 38, 0.25);
}
.adm-login-alert.success {
    background: rgba(16, 185, 129, 0.10); color: #047857; border: 1px solid rgba(16, 185, 129, 0.30);
}
.adm-login-foot {
    margin-top: 1rem;
    font-size: 0.72rem;
    color: var(--adm-login-muted);
    text-align: center; line-height: 1.4;
}
.otp-timer-wrap { display: flex; justify-content: center; margin: 1rem 0 1.25rem; }
.otp-timer { display: block; }
.otp-timer circle.track { stroke: var(--adm-login-accent-soft); }
.otp-timer circle.ring  { stroke: var(--adm-login-accent); transition: stroke-dashoffset .9s linear; }
.otp-timer text { font-family: inherit; font-weight: 600; fill: var(--adm-login-ink); }
.otp-code-input {
    text-align: center;
    letter-spacing: 0.4rem;
    font-size: 1.15rem !important;
    font-weight: 600;
}
.otp-resend {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--adm-login-accent);
    text-decoration: underline;
    background: transparent; border: 0; cursor: pointer;
    width: 100%;
    padding: 0.4rem;
}
.otp-resend[disabled] { color: var(--adm-login-muted); cursor: not-allowed; text-decoration: none; }
.otp-resend:hover:not([disabled]) { color: #1b8a4c; }
.adm-login-mock {
    font-size: 0.72rem;
    color: var(--adm-login-muted);
    text-align: center;
    margin-top: 0.6rem;
    font-style: italic;
}
@media (max-width: 380px) {
    .adm-login-card { padding: 1.25rem 1rem; }
    .adm-login-title { font-size: 1.05rem; }
}