:root { --type-caption: .875rem; --type-body: 1rem; --type-section: 1.125rem; --weight-semibold: 700; --text-page-title: 1.375rem; --text-section: 1.125rem; --text-body: 1rem; --text-sm: .875rem; --weight-title: 700; }
:root {
    --brand: #c8102e;
    --brand-dark: #9b0c24;
    --ink: #1e293b;
    --muted: #64748b;
    --line: #e2e8f0;
    --surface: #ffffff;
    --soft: #f8fafc;
    --warn-bg: #fff5f5;
    --warn-ink: #9b1c1c;
    --font: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
    --control-h: 50px;
    --radius: 16px;
    --radius-sm: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body.login-page {
    min-height: 100vh;
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(900px 420px at 8% 0%, rgba(200,16,46,0.06), transparent 55%),
        radial-gradient(700px 380px at 100% 100%, rgba(200,16,46,0.04), transparent 50%),
        #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
}
.login-shell { width: min(100%, 420px); }
.lang-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.4rem;
    margin-bottom: 1.1rem;
}
.lang-bar label {
    display: inline-flex;
    align-items: center;
    color: var(--muted);
    font-size: var(--type-caption);
}
.lang-bar label .lang-text { display: none; }
.lang-bar label i { font-size: 1rem; color: var(--brand); }
.lang-bar select {
    min-height: 34px;
    max-width: 140px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    font-family: var(--font);
    font-size: var(--type-caption);
    padding: 0.3rem 0.5rem;
    cursor: pointer;
}
.brand-block { text-align: center; margin-bottom: 1.15rem; }
.brand-block img { height: 48px; width: auto; margin-bottom: 0.85rem; }
.brand-block .lead {
    font-size: var(--type-body);
    color: var(--muted);
    line-height: 1.45;
    max-width: 34ch;
    margin: 0 auto;
}
.login-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.85rem 1.65rem 1.55rem;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
    border: 1px solid var(--line);
}
.field { margin-bottom: 1rem; }
.field label {
    display: block;
    font-size: var(--type-caption);
    font-weight: var(--weight-semibold);
    color: var(--ink);
    margin-bottom: 0.4rem;
}
.field input {
    width: 100%;
    min-height: var(--control-h);
    border: 1px solid #d8dee8;
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.9rem;
    font-size: var(--type-body);
    font-family: var(--font);
    color: var(--ink);
    background: var(--surface);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(200,16,46,.14);
}
.field input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #fff inset;
}
.field-hint {
    margin-top: 0.4rem;
    font-size: var(--type-caption);
    color: var(--muted);
    line-height: 1.4;
}
.password-wrap { position: relative; }
.password-wrap input { padding-right: 3rem; }
.toggle-pass {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.toggle-pass:hover { color: var(--brand); background: rgba(200,16,46,.06); }
.toggle-pass:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
html[dir="rtl"] .toggle-pass { right: auto; left: 0.4rem; }
html[dir="rtl"] .password-wrap input { padding-right: 0.9rem; padding-left: 3rem; }
.error {
    display: none;
    margin: 0 0 0.9rem;
    padding: 0.7rem 0.8rem;
    border-radius: var(--radius-sm);
    background: var(--warn-bg);
    color: var(--warn-ink);
    font-size: var(--type-caption);
    font-weight: var(--weight-semibold);
    line-height: 1.4;
    text-align: left;
}
.error.has-msg { display: flex; align-items: flex-start; gap: 0.5rem; }
.error i { margin-top: 0.15rem; flex-shrink: 0; }
html[dir="rtl"] .error { text-align: right; }
.btn-login {
    width: 100%;
    min-height: var(--control-h);
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: #fff;
    font-family: var(--font);
    font-size: var(--type-body);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(200,16,46,.18);
    transition: background .15s ease, transform .1s ease, box-shadow .15s ease;
}
.btn-login:hover { background: var(--brand-dark); }
.btn-login:active { transform: translateY(1px); box-shadow: 0 3px 8px rgba(200,16,46,.16); }
.btn-login:disabled { opacity: 0.85; cursor: wait; }
.btn-login .spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,.35);
    border-top-color: #fff;
    border-radius: 50%;
    margin-right: 0.45rem;
    vertical-align: -0.15rem;
    animation: spin .7s linear infinite;
}
html[dir="rtl"] .btn-login .spinner { margin-right: 0; margin-left: 0.45rem; }
.btn-login.is-loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.security-note {
    margin-top: 1.1rem;
    padding: 0.75rem 0.85rem;
    border-radius: var(--radius-sm);
    background: var(--surface-2, #f8fafc);
    border: 1px solid #eef2f7;
    color: var(--muted);
    font-size: var(--type-caption);
    line-height: 1.45;
}
.security-note .row { display: flex; gap: 0.45rem; align-items: flex-start; }
.security-note i { color: var(--brand); margin-top: 0.15rem; flex-shrink: 0; }
.support-line {
    margin-top: 0.95rem;
    text-align: center;
    font-size: var(--type-caption);
    color: var(--muted);
    line-height: 1.5;
}
.support-line a { color: var(--brand); font-weight: var(--weight-semibold); text-decoration: none; }
.login-foot {
    margin-top: 1.15rem;
    text-align: center;
    color: var(--muted);
    font-size: var(--type-caption);
    line-height: 1.55;
}
.login-foot .links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    margin-bottom: 0.45rem;
}
.login-foot a { color: var(--ink); text-decoration: none; font-weight: var(--weight-semibold); }
.login-foot a:hover { color: var(--brand); }
.login-foot .sep { color: #cbd5e1; }
.login-build { margin-top: 0.85rem; color: var(--muted, #94a3b8); font-size: var(--type-caption); letter-spacing: 0.01em; }
.login-build .fs-build-tag { color: var(--muted, #94a3b8); font-weight: var(--weight-semibold); }
@media (max-width: 768px) {
    body.login-page { padding: 1rem 0.9rem; }
    .brand-block img { height: 42px; }
    .login-card { padding: 1.4rem 1.2rem 1.25rem; border-radius: 14px; }
    .field input { font-size: var(--type-body); }
}
@media (max-width: 480px) {
    body.login-page { padding: 0.85rem 0.75rem; }
    .login-shell { width: min(100%, 100%); }
}