/* ==========================================================================
   ZenCabs Admin · Auth UI (CP 3 + CP 4 polish)
   Built on zc-design-tokens.css.  Brand: green #6dbd63.  Light primary +
   subtle dark for high-risk pages (emergency).  Mobile-first.  No inline JS.
   ========================================================================== */

/* ---------- Layout ---------- */
.rbac-auth {
    /* Bug-fix: 100vh counts mobile-Safari URL bar, cropping content. dvh falls
       back gracefully on engines that don't recognize it. */
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr;
    background: var(--zc-slate-50);
    color: var(--zc-slate-800);
    font-family: var(--zc-font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
@media (min-width: 900px) {
    .rbac-auth { grid-template-columns: minmax(360px, 480px) 1fr; }
}

.rbac-auth__panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1.25rem, 5vw, 3rem);
    background: #ffffff;
    box-shadow: var(--zc-shadow-md);
    z-index: 2;
    min-height: 100vh;
    min-height: 100dvh;
}

/* Hero — full-bleed brand-blue surface with radial accents, matches the
   existing ZenCabs admin primary `#0d6efd`. Same rich layout as before,
   just swapped green → blue to align with admin brand colour. */
.rbac-auth__hero {
    display: none;
    background: linear-gradient(135deg, #0a58ca, #0d6efd);
    color: #fff;
    padding: clamp(2rem, 5vw, 4rem);
    position: relative;
    overflow: hidden;
}
@media (min-width: 900px) {
    .rbac-auth__hero { display: flex; flex-direction: column; justify-content: space-between; }
}
.rbac-auth__hero::before {
    content: '';
    position: absolute;
    top: -120px; right: -120px;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.rbac-auth__hero::after {
    content: '';
    position: absolute;
    bottom: -180px; left: -160px;
    width: 460px; height: 460px;
    background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.rbac-auth__hero-inner { position: relative; z-index: 1; max-width: 520px; }
.rbac-auth__hero-eyebrow { font-size: 0.8rem; opacity: 0.85; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
.rbac-auth__hero-title { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 700; line-height: 1.2; margin: 1rem 0; }
.rbac-auth__hero-lede { font-size: 0.95rem; opacity: 0.92; line-height: 1.55; max-width: 440px; }
.rbac-auth__hero-features { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1rem; }
.rbac-auth__hero-feature { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.9rem; line-height: 1.4; }
.rbac-auth__hero-feature::before { content: '✓'; flex: 0 0 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,0.18); display: inline-flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.rbac-auth__hero-foot { position: relative; z-index: 1; opacity: 0.7; font-size: 0.75rem; }

/* ---------- Brand ---------- */
.rbac-auth__brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; color: var(--zc-slate-900); font-size: 1rem; margin-bottom: 2rem; }
/* Brand mark — blue gradient on auth pages to match hero + CTA. */
.rbac-auth__brand-mark { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #0d6efd, #0a58ca); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; box-shadow: var(--zc-shadow-sm); }
.rbac-auth__brand-text { letter-spacing: -0.01em; }
.rbac-auth__brand-sub { color: var(--zc-slate-500); font-size: 0.7rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; margin-left: auto; }

/* ---------- Form scaffold ---------- */
.rbac-auth__title { font-size: 1.4rem; font-weight: 700; color: var(--zc-slate-900); margin: 0 0 0.4rem; letter-spacing: -0.02em; }
.rbac-auth__subtitle { color: var(--zc-slate-500); font-size: 0.9rem; margin: 0 0 1.75rem; line-height: 1.5; }

.rbac-form { display: grid; gap: 1rem; }
.rbac-field { display: grid; gap: 0.4rem; }
.rbac-field__label { font-size: 0.8rem; font-weight: 600; color: var(--zc-slate-700); display: flex; justify-content: space-between; align-items: baseline; }
.rbac-field__hint { font-size: 0.72rem; color: var(--zc-slate-400); font-weight: 500; }

.rbac-input,
.rbac-form input[type="text"],
.rbac-form input[type="email"],
.rbac-form input[type="password"],
.rbac-form input[type="tel"] {
    width: 100%; box-sizing: border-box;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--zc-slate-300);
    border-radius: var(--zc-radius-md);
    background: #ffffff;
    color: var(--zc-slate-900);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--zc-transition-fast), box-shadow var(--zc-transition-fast);
    outline: none;
}
.rbac-input:focus,
.rbac-form input:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.18);
}
.rbac-input--mono { font-family: var(--zc-font-mono); letter-spacing: 0.1em; }

.rbac-input-group { position: relative; }
.rbac-input-group .rbac-input { padding-right: 2.5rem; }
.rbac-input-group__btn {
    position: absolute; top: 50%; right: 0.4rem;
    transform: translateY(-50%);
    background: none; border: none;
    color: var(--zc-slate-400);
    cursor: pointer;
    padding: 0.45rem;
    border-radius: var(--zc-radius-sm);
    font-size: 0.8rem;
    transition: color var(--zc-transition-fast), background var(--zc-transition-fast);
}
.rbac-input-group__btn:hover { color: var(--zc-slate-700); background: var(--zc-slate-100); }

/* ---------- 6-digit OTP boxes ---------- */
/* Bug-fix: fixed 2.7rem × 6 + gaps overflowed 320-360px phones. Use clamp so
   boxes shrink gracefully; flex gap also scales down on narrow screens. */
.rbac-otp { display: flex; gap: clamp(0.3rem, 1.5vw, 0.5rem); justify-content: center; max-width: 100%; }
.rbac-otp__box {
    width: clamp(2.1rem, 11vw, 2.7rem);
    height: clamp(2.6rem, 13vw, 3.2rem);
    min-width: 0;
    text-align: center;
    font-size: clamp(1.05rem, 4vw, 1.4rem);
    font-weight: 600;
    font-family: var(--zc-font-mono);
    border: 1px solid var(--zc-slate-300);
    border-radius: var(--zc-radius-md);
    background: #fff;
    color: var(--zc-slate-900);
    padding: 0;
    transition: border-color var(--zc-transition-fast), box-shadow var(--zc-transition-fast), transform var(--zc-transition-fast);
}
.rbac-otp__box:focus { outline: none; border-color: var(--zc-brand-500); box-shadow: var(--zc-shadow-focus); transform: translateY(-1px); }
.rbac-otp__box[data-filled="1"] { border-color: var(--zc-brand-500); background: var(--zc-brand-50); }

/* ---------- Buttons ---------- */
.rbac-btn {
    /* Bug-fix: width:100% forced every inline button wide. Opt-in via modifier
       `.rbac-btn--block`. Existing auth forms always use block buttons via the
       modifier; inline cases (helpers/actions) render at content width. */
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    padding: 0.75rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--zc-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--zc-transition-fast), transform var(--zc-transition-fast), box-shadow var(--zc-transition-fast);
    user-select: none;
    position: relative;
}
.rbac-btn--block { width: 100%; }
/* Back-compat: auth forms have a lot of top-level `.rbac-btn` usages that
   relied on width:100%. Inside `.rbac-form` we preserve the old behavior. */
.rbac-form > .rbac-btn,
.rbac-form > button.rbac-btn { width: 100%; }
.rbac-btn:focus-visible { outline: 2px solid var(--zc-brand-500); outline-offset: 2px; }
.rbac-btn:active { transform: translateY(1px); }
.rbac-btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* Auth primary CTA uses brand blue #0d6efd to match the ZenCabs admin
   palette (matches the hero gradient + Bootstrap primary in style-admin.css).
   Green is reserved for /dashboard success cues; auth flow is consistently blue. */
.rbac-btn--primary {
    background: #0d6efd;
    color: #fff;
    box-shadow: 0 4px 14px rgba(13, 110, 253, 0.26);
}
.rbac-btn--primary:hover { background: #0a58ca; box-shadow: 0 8px 22px rgba(13, 110, 253, 0.32); }

.rbac-btn--ghost {
    background: transparent;
    color: var(--zc-slate-600);
    border-color: var(--zc-slate-200);
}
.rbac-btn--ghost:hover { color: var(--zc-slate-900); background: var(--zc-slate-100); }

.rbac-btn--danger {
    background: #fff;
    color: var(--zc-danger);
    border-color: var(--zc-danger);
}
.rbac-btn--danger:hover { background: var(--zc-danger); color: #fff; }

.rbac-btn[data-loading="1"] { color: transparent; pointer-events: none; }
.rbac-btn[data-loading="1"]::after {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255,255,255,0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: rbac-spin 0.7s linear infinite;
}
.rbac-btn--ghost[data-loading="1"]::after { border-color: rgba(15,23,42,0.18); border-top-color: var(--zc-slate-700); }
@keyframes rbac-spin { to { transform: rotate(360deg); } }

/* ---------- Helpers row ---------- */
.rbac-helpers { display: flex; gap: 1rem; justify-content: space-between; margin-top: 1rem; flex-wrap: wrap; align-items: center; }
.rbac-helpers a, .rbac-helpers button {
    background: none; border: none; padding: 0; cursor: pointer;
    color: var(--zc-slate-500); font-size: 0.82rem; font-family: inherit; text-decoration: none;
    transition: color var(--zc-transition-fast);
    border-radius: var(--zc-radius-sm);
}
.rbac-helpers a:hover, .rbac-helpers button:hover { color: var(--zc-brand-600); }
.rbac-helpers a:focus-visible, .rbac-helpers button:focus-visible { outline: 2px solid var(--zc-brand-500); outline-offset: 3px; color: var(--zc-brand-700); }

/* ---------- Alerts / errors ---------- */
.rbac-alert {
    display: flex; align-items: flex-start; gap: 0.6rem;
    padding: 0.75rem 0.9rem;
    border-radius: var(--zc-radius-md);
    border: 1px solid;
    font-size: 0.85rem;
    line-height: 1.4;
}
/* Bug-fix: shake animation ran on every alert type — success/info/warning all
   vibrated on render, which looked broken. Scoped to danger + new gentle
   fade-in for the rest so they still feel alive but not frantic. */
.rbac-alert--danger  { background: var(--zc-danger-50);  border-color: rgba(220, 38, 38, 0.25); color: var(--zc-danger); animation: rbac-shake 0.3s ease; }
.rbac-alert--info    { background: var(--zc-info-50);    border-color: rgba(2, 132, 199, 0.25); color: var(--zc-info);    animation: rbac-fade 0.28s ease; }
.rbac-alert--warning { background: var(--zc-warning-50); border-color: rgba(217, 119, 6, 0.25); color: var(--zc-warning); animation: rbac-fade 0.28s ease; }
.rbac-alert--success { background: var(--zc-success-50); border-color: rgba(22, 163, 74, 0.25); color: var(--zc-success); animation: rbac-fade 0.28s ease; }
.rbac-alert__icon { flex: 0 0 18px; height: 18px; line-height: 18px; text-align: center; font-weight: 700; }

@keyframes rbac-shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-3px)} 75%{transform:translateX(3px)} }
@keyframes rbac-fade  { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

/* ---------- Countdown timer ---------- */
.rbac-countdown { font-size: 0.78rem; color: var(--zc-slate-500); display: inline-flex; align-items: center; gap: 0.35rem; }
.rbac-countdown[data-warn="1"] { color: var(--zc-warning); }
.rbac-countdown[data-expired="1"] { color: var(--zc-danger); }
.rbac-countdown__dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: rbac-pulse 1.5s ease-in-out infinite; }
@keyframes rbac-pulse { 0%,100%{opacity:0.5} 50%{opacity:1} }

/* ---------- Footnote ---------- */
.rbac-foot { color: var(--zc-slate-400); font-size: 0.72rem; text-align: center; margin-top: 1.5rem; line-height: 1.5; }
.rbac-foot a { color: var(--zc-slate-500); }
.rbac-foot__lock { color: var(--zc-success); }

/* ---------- Welcome / dashboard topbar ---------- */
body[data-admin-welcome] { background: var(--zc-slate-50); margin: 0; color: var(--zc-slate-800); font-family: var(--zc-font-sans); }
.rbac-topbar { background: #fff; border-bottom: 1px solid var(--zc-slate-200); padding: 0.85rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.rbac-topbar__left { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; color: var(--zc-slate-900); min-width: 0; }
.rbac-topbar__left-title { letter-spacing: -0.01em; }
.rbac-topbar__left-title span { color: var(--zc-slate-400); font-weight: 500; }
.rbac-topbar__env { font-size: 0.7rem; padding: 0.2rem 0.55rem; border-radius: var(--zc-radius-pill); background: var(--zc-success-50); color: var(--zc-success); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; }
.rbac-topbar__right { display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem; color: var(--zc-slate-500); min-width: 0; }
.rbac-topbar__user-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.rbac-topbar__logout { width: auto; padding: 0.4rem 0.85rem; font-size: 0.82rem; }

/* Bug-fix (BUG-006): welcome-page topbar had no mobile rules. Parallel to
   .rbacp-topbar shrink — hide brand text, user name, shrink Super Admin to ★. */
@media (max-width: 640px) {
    .rbac-topbar { padding: 0.6rem 0.85rem; gap: 0.5rem; }
    .rbac-topbar__left-title { display: none; }
    .rbac-topbar__env { font-size: 0.6rem; padding: 0.15rem 0.4rem; }
    .rbac-topbar__user-name { display: none; }
    body[data-admin-welcome] .rbac-badge--super { font-size: 0; padding: 0.2rem 0.35rem; }
    body[data-admin-welcome] .rbac-badge--super::before { content: '★'; font-size: 0.7rem; }
}

/* ---------- Welcome main ---------- */
.rbac-welcome { max-width: 980px; margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem); }
.rbac-welcome__greeting { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 700; color: var(--zc-slate-900); letter-spacing: -0.02em; margin: 0 0 0.4rem; }
.rbac-welcome__sub { color: var(--zc-slate-500); margin: 0 0 1.5rem; font-size: 0.95rem; }
.rbac-welcome__session-ref { font-size: 0.78rem; color: var(--zc-slate-400); font-weight: 500; font-family: var(--zc-font-mono); }
.rbac-welcome__recovery--warn { color: var(--zc-warning); }
.rbac-welcome__last-login-time { font-size: 1rem; font-weight: 600; }
.rbac-welcome__last-login-hm { color: var(--zc-slate-500); font-size: 0.85em; }
.rbac-welcome__recovery-denom { font-size: 0.6em; color: var(--zc-slate-500); font-weight: 500; }
.rbac-welcome__foot { text-align: left; margin-top: 2.5rem; }

.rbac-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.25rem 0.65rem; border-radius: var(--zc-radius-pill); font-size: 0.72rem; font-weight: 600; }
.rbac-badge--super { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #78350f; }
.rbac-badge--admin { background: var(--zc-info-50); color: var(--zc-info); }
.rbac-badge--green { background: var(--zc-brand-50); color: var(--zc-brand-700); }
.rbac-badge--red   { background: var(--zc-danger-50); color: var(--zc-danger); }

.rbac-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.rbac-stat { background: #fff; border: 1px solid var(--zc-slate-200); border-radius: var(--zc-radius-lg); padding: 1.25rem 1.35rem; box-shadow: var(--zc-shadow-sm); transition: transform var(--zc-transition-fast), box-shadow var(--zc-transition-fast); position: relative; overflow: hidden; }
.rbac-stat::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--zc-brand-500), var(--zc-brand-700)); opacity: 0; transition: opacity var(--zc-transition-fast); }
.rbac-stat:hover { transform: translateY(-2px); box-shadow: var(--zc-shadow-md); }
.rbac-stat:hover::after { opacity: 1; }
.rbac-stat__label { font-size: 0.72rem; font-weight: 600; color: var(--zc-slate-500); text-transform: uppercase; letter-spacing: 0.05em; margin: 0; }
/* Bug-fix: 1.6rem was anemic for a dashboard hero; admin metrics should be
   scannable at a glance. Bumped + made responsive. */
.rbac-stat__value { font-size: clamp(1.75rem, 2.6vw, 2.1rem); font-weight: 700; color: var(--zc-slate-900); margin: 0.4rem 0 0; letter-spacing: -0.025em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.rbac-stat__sub { font-size: 0.78rem; color: var(--zc-slate-500); margin: 0.5rem 0 0; }

.rbac-card { background: #fff; border: 1px solid var(--zc-slate-200); border-radius: var(--zc-radius-lg); padding: 1.5rem; box-shadow: var(--zc-shadow-sm); margin-top: 1rem; }
.rbac-card__title { font-size: 0.95rem; font-weight: 600; color: var(--zc-slate-800); margin: 0 0 1rem; display: flex; justify-content: space-between; align-items: center; }
/* Bug-fix: two-col prop grid stayed at 140px+1fr on mobile even <360px —
   values collapsed to a ribbon. Stack vertically below 520px. */
.rbac-prop { display: grid; grid-template-columns: minmax(140px, 0.4fr) 1fr; gap: 0.5rem 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--zc-slate-100); font-size: 0.88rem; }
@media (max-width: 520px) {
    .rbac-prop { grid-template-columns: 1fr; gap: 0.15rem; }
    .rbac-prop__k { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
}
.rbac-prop:last-child { border-bottom: none; }
.rbac-prop__k { color: var(--zc-slate-500); font-weight: 500; }
.rbac-prop__v { color: var(--zc-slate-800); overflow-wrap: anywhere; }
.rbac-prop__v code { background: var(--zc-slate-100); padding: 0.1rem 0.4rem; border-radius: var(--zc-radius-sm); font-size: 0.82em; }

.rbac-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.rbac-actions .rbac-btn { width: auto; padding-left: 1.25rem; padding-right: 1.25rem; }

/* ---------- Emergency variant ---------- */
.rbac-auth--emergency {
    /* Cover the whole viewport in dark amber so we don't show a white gutter when hero is hidden. */
    background: radial-gradient(circle at top left, #1c1c20 0%, #0a0a0d 100%);
    grid-template-columns: 1fr;
}
.rbac-auth--emergency .rbac-auth__panel {
    background: #18181b;
    color: #f4f4f5;
    margin: 2rem auto;
    max-width: 480px;
    width: calc(100% - 2rem);
    border-radius: var(--zc-radius-lg);
    border: 1px solid #27272a;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    min-height: auto;
}
/* Emergency recovery — dark break-glass theme. Accent switched from amber
   to RED (`#dc2626` — matches admin's --zc-danger) to semantically signal
   "critical / danger path" rather than "caution". Brand mark retains the
   dark surface feel with a red gradient. */
.rbac-auth--emergency .rbac-auth__brand,
.rbac-auth--emergency .rbac-auth__brand-text { color: #f4f4f5; }
.rbac-auth--emergency .rbac-auth__brand-text > span { color: #71717a !important; }
.rbac-auth--emergency .rbac-auth__brand-sub { color: #f87171; letter-spacing: 0.08em; }
.rbac-auth--emergency .rbac-auth__title { color: #f87171; }
.rbac-auth--emergency .rbac-auth__subtitle { color: #a1a1aa; }
.rbac-auth--emergency .rbac-field__label { color: #d4d4d8; }
.rbac-auth--emergency .rbac-field__hint  { color: #71717a; }
.rbac-auth--emergency .rbac-input,
.rbac-auth--emergency .rbac-form input { background: #27272a; border-color: #3f3f46; color: #fff; }
.rbac-auth--emergency .rbac-input:focus,
.rbac-auth--emergency .rbac-form input:focus { border-color: #dc2626; box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.22); }
.rbac-auth--emergency .rbac-btn--primary { background: #dc2626; box-shadow: 0 4px 14px rgba(220, 38, 38, 0.28); }
.rbac-auth--emergency .rbac-btn--primary:hover { background: #b91c1c; }
.rbac-auth--emergency .rbac-btn--ghost { color: #a1a1aa; border-color: #3f3f46; }
.rbac-auth--emergency .rbac-btn--ghost:hover { color: #fff; background: #27272a; }
.rbac-auth--emergency .rbac-foot { color: #71717a; }
.rbac-auth--emergency .rbac-auth__brand-mark { background: linear-gradient(135deg, #b91c1c, #ef4444); }
.rbac-auth--emergency .rbac-helpers a,
.rbac-auth--emergency .rbac-helpers button { color: #a1a1aa; }
.rbac-auth--emergency .rbac-helpers a:hover,
.rbac-auth--emergency .rbac-helpers button:hover { color: #f87171; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    /* Bug-fix: earlier sweep missed stat underline transition, alert animation
       scope, and the spinner ring (still spun at 0.7s). */
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    /* Spinner still needs to communicate "loading" — slow it instead of killing. */
    .rbac-btn[data-loading="1"]::after { animation: rbac-spin 1.5s linear infinite !important; }
}