/*
 * Sign-in page. Split layout: brand panel (start side) + form panel (end side).
 * Visuals are pure CSS (gradients) — no theme demo images. Logical properties => RTL-safe.
 */
.login-page { margin: 0; min-height: 100vh; background: var(--theme-body-bg); }

.login-shell { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); min-height: 100vh; }

/* ---------- Brand panel ---------- */
.login-brand {
    position: relative; overflow: hidden; color: #fff;
    background:
        radial-gradient(1200px 600px at 110% -10%, rgba(var(--theme-primary-rgb), .55), transparent 60%),
        radial-gradient(900px 500px at -20% 110%, rgba(var(--theme-primary-rgb), .35), transparent 60%),
        linear-gradient(160deg, #0f1b33 0%, #13213f 45%, #0b1426 100%);
}
/* subtle dotted grid + soft rings for depth */
.login-brand::before {
    content: ""; position: absolute; inset: 0; opacity: .18;
    background-image: radial-gradient(rgba(255, 255, 255, .55) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: linear-gradient(180deg, transparent, #000 25%, #000 75%, transparent);
}
.login-brand::after {
    content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%;
    inset-inline-end: -180px; inset-block-end: -200px;
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 0 0 60px rgba(255, 255, 255, .025), 0 0 0 130px rgba(255, 255, 255, .02);
}
.login-brand-inner {
    position: relative; z-index: 1; height: 100%;
    display: flex; flex-direction: column; justify-content: center; gap: 2.25rem;
    padding: 3.5rem clamp(2rem, 6vw, 5.5rem);
}
.login-brand-logo { height: 72px; width: auto; max-width: 260px; object-fit: contain; object-position: start; filter: drop-shadow(0 6px 18px rgba(0, 0, 0, .35)); }
.login-brand-title { color: #fff; font-size: clamp(1.75rem, 2.6vw, 2.5rem); font-weight: 700; letter-spacing: -.01em; margin: 0 0 .5rem; }
.login-brand-tagline { color: rgba(255, 255, 255, .72); font-size: 1.05rem; line-height: 1.6; max-width: 34rem; margin: 0; }

.login-features { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; max-width: 30rem; }
.login-features li {
    display: flex; align-items: center; gap: 1rem; padding: .85rem 1rem;
    border-radius: .85rem; background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .08); backdrop-filter: blur(4px);
}
.login-features strong { display: block; color: #fff; font-weight: 600; }
.login-features small { display: block; color: rgba(255, 255, 255, .65); font-size: .8rem; margin-top: .1rem; }
.login-feature-icon {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: .7rem;
    display: inline-flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #fff;
    background: linear-gradient(135deg, rgba(var(--theme-primary-rgb), .95), rgba(var(--theme-primary-rgb), .55));
    box-shadow: 0 6px 16px rgba(var(--theme-primary-rgb), .35);
}
.login-brand-foot { color: rgba(255, 255, 255, .45); font-size: .8rem; margin: 0; }

/* ---------- Form panel ---------- */
.login-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem; position: relative; }
.login-topbar { position: absolute; inset-block-start: 1.25rem; inset-inline-end: 1.5rem; }
.login-lang .btn { min-width: 64px; }

.login-card { width: 100%; max-width: 410px; }
.login-mobile-brand { display: none; margin-bottom: 1.75rem; }
.login-mobile-brand img { height: 46px; width: auto; }

.login-title { font-size: 1.85rem; font-weight: 700; margin: 0 0 .35rem; color: #1b2436; letter-spacing: -.01em; }
[data-bs-theme="dark"] .login-title { color: #f1f3f7; }
[dir="rtl"] .login-title { letter-spacing: 0; }
.login-subtitle { color: var(--theme-secondary-color); margin: 0 0 1.75rem; font-size: .95rem; }
.login-card .form-label { font-weight: 600; }

.login-field { position: relative; }
.login-field .form-control { padding-inline-start: 2.75rem; padding-inline-end: 2.75rem; border-radius: .65rem; font-size: 1rem; }
.login-field .form-control:focus { box-shadow: 0 0 0 .2rem var(--theme-focus-ring-color); }
.login-field-icon {
    position: absolute; inset-inline-start: .95rem; top: 50%; transform: translateY(-50%);
    font-size: 1.15rem; color: var(--theme-secondary-color); pointer-events: none;
}
.login-toggle {
    position: absolute; inset-inline-end: .45rem; top: 50%; transform: translateY(-50%);
    border: 0; background: transparent; color: var(--theme-secondary-color);
    width: 36px; height: 36px; border-radius: .5rem; display: inline-flex; align-items: center; justify-content: center; font-size: 1.15rem;
}
.login-toggle:hover, .login-toggle:focus-visible { color: var(--theme-primary); background: var(--theme-tertiary-bg); outline: 0; }
.login-field .form-control.is-invalid { background-image: none; }

.login-submit { border-radius: .65rem; font-weight: 600; padding-block: .8rem; box-shadow: 0 8px 20px rgba(var(--theme-primary-rgb), .25); }
.login-submit:disabled { opacity: .85; }

.login-secure { display: flex; align-items: center; justify-content: center; gap: .4rem; margin: 1.5rem 0 0; color: var(--theme-secondary-color); font-size: .8rem; }
.login-copyright { position: absolute; inset-block-end: 1rem; margin: 0; color: var(--theme-secondary-color); font-size: .78rem; }

/* RTL typography */
[dir="rtl"] .login-page, [dir="rtl"] .login-page .btn, [dir="rtl"] .login-page .form-control { font-family: "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif; }
[dir="rtl"] .login-brand-title { letter-spacing: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-brand { display: none; }
    .login-mobile-brand { display: block; }
    .login-panel { padding: 5rem 1.25rem 4rem; justify-content: flex-start; }
    .login-card { margin-top: 2vh; }
}
@media (max-width: 400px) {
    .login-topbar { inset-inline-end: .75rem; }
    .login-lang .btn { min-width: 0; padding-inline: .55rem; }
    .login-title { font-size: 1.5rem; }
}