:root { --login-primary: #2563eb; --login-dark: #0f172a; --login-muted: #64748b; --login-border: #dce4ef; }
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body.login-page { margin: 0; color: var(--login-dark); background: #f5f7fb; font-family: Tahoma, Arial, sans-serif; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(420px, 46%) 1fr; }
.login-brand-panel { position: relative; min-height: 100vh; display: grid; place-items: center; overflow: hidden; color: #fff; background: linear-gradient(145deg, #111827 0%, #172554 52%, #1d4ed8 100%); }
.login-brand-panel:before { content: ''; position: absolute; inset: 0; opacity: .1; background-image: radial-gradient(#fff 1px, transparent 1px); background-size: 24px 24px; }
.brand-decoration { position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.decoration-one { width: 440px; height: 440px; right: -220px; top: -120px; }
.decoration-two { width: 300px; height: 300px; left: -130px; bottom: -80px; }
.login-brand-content { position: relative; z-index: 1; max-width: 470px; padding: 50px; text-align: center; }
.login-logo-wrap { width: 112px; height: 112px; margin: 0 auto 25px; padding: 15px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 26px; background: rgba(255,255,255,.1); box-shadow: 0 20px 45px rgba(0,0,0,.18); backdrop-filter: blur(10px); }
.login-logo-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; }
.brand-eyebrow { margin: 0 0 12px; color: #bfdbfe; letter-spacing: 2px; font: 600 11px Arial, sans-serif; }
.login-brand-content h1 { margin: 0 0 15px; font-size: 29px; }
.login-brand-content > p:last-child { margin: 0; color: #dbeafe; font-size: 13px; line-height: 2; }
.login-form-panel { min-height: 100vh; padding: 40px; display: grid; place-items: center; background: #fff; }
.login-form-wrap { width: 100%; max-width: 410px; }
.mobile-logo { display: none; }
.login-heading { margin-bottom: 35px; }
.login-heading > span { display: block; margin-bottom: 9px; color: var(--login-primary); font-size: 12px; font-weight: 700; }
.login-heading h2 { margin: 0 0 10px; font-size: 25px; }
.login-heading p { margin: 0; color: var(--login-muted); font-size: 12px; }
.login-field { margin-bottom: 20px; }
.login-field label { display: block; margin-bottom: 8px; color: #334155; font-size: 11px; font-weight: 700; }
.field-control { position: relative; }
.field-control > i { position: absolute; top: 50%; right: 15px; color: #94a3b8; transform: translateY(-50%); }
.field-control input { width: 100%; height: 48px; padding: 0 44px 0 45px; border: 1px solid var(--login-border); border-radius: 11px; outline: 0; color: var(--login-dark); background: #fff; font-family: inherit; font-size: 12px; transition: .18s ease; }
.field-control input:focus { border-color: #77a3f6; box-shadow: 0 0 0 4px rgba(37,99,235,.1); }
.field-control input::placeholder { color: #a5b1c2; }
.password-toggle { position: absolute; top: 50%; left: 10px; width: 32px; height: 32px; border: 0; border-radius: 8px; color: #94a3b8; background: transparent; cursor: pointer; transform: translateY(-50%); }
.password-toggle:hover { color: var(--login-primary); background: #eff6ff; }
.field-error, .login-validation { display: block; margin-top: 6px; color: #dc2626; font-size: 10px; }
.login-validation:empty, .field-error:empty { display: none; }
.login-validation ul { margin: 0 0 18px; padding: 12px 28px 12px 12px; border-radius: 9px; background: #fef2f2; }
.login-submit { width: 100%; height: 49px; margin-top: 5px; padding: 0 18px; display: flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 11px; color: #fff; background: var(--login-primary); box-shadow: 0 10px 22px rgba(37,99,235,.22); cursor: pointer; font-family: inherit; font-size: 12px; font-weight: 700; transition: .18s ease; }
.login-submit:hover { background: #1d4ed8; transform: translateY(-1px); }
.login-submit:disabled { opacity: .72; cursor: wait; transform: none; }
.login-submit i { font-size: 11px; }
.login-footer { margin: 35px 0 0; color: #94a3b8; text-align: center; font-size: 9px; }
@media (max-width: 900px) {
    .login-shell { display: block; }
    .login-brand-panel { display: none; }
    .login-form-panel { padding: 28px; }
    .mobile-logo { width: 78px; height: 78px; margin: 0 auto 28px; padding: 10px; display: grid; place-items: center; border: 1px solid #dbe5f1; border-radius: 19px; box-shadow: 0 10px 30px rgba(15,23,42,.08); }
    .mobile-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
    .login-heading { text-align: center; }
}
@media (max-width: 480px) {
    .login-form-panel { padding: 22px; align-items: center; }
    .login-heading h2 { font-size: 21px; }
}