/* ============================================================================
   ux-login.css
   Glassmorphism sign-in screen (Stories 1.2/1.4 UX). Reproduces the frosted-
   glass login mockup using the Electric Sky token palette (sky -> cobalt),
   NOT the mockup's green. Everything is scoped under .login-shell so it never
   leaks into the authenticated app shell.
   Requires: ux-tokens.css, ux-base.css, ux-mudblazor.css
   ============================================================================ */


/* ============================================================================
   SECTION 1: Full-bleed themed backdrop (stands in for the mockup photo)
   Deep navy-black with sky/cobalt aurora glows + faint grid — the app's
   signature ambient background, so the frosted card reads the same as the
   rest of the product.
   ============================================================================ */

.login-shell {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: clamp(1rem, 6vh, 3rem) var(--space-5) var(--space-5);
    overflow: hidden;
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 90% 70% at 12% 6%, rgba(14,165,233,0.30) 0%, transparent 55%),
        radial-gradient(ellipse 85% 80% at 88% 94%, rgba(99,102,241,0.26) 0%, transparent 55%),
        radial-gradient(ellipse 120% 90% at 50% 120%, rgba(14,165,233,0.10) 0%, transparent 60%);
    background-attachment: fixed;
}

/* Center zone: the standalone logo above the card (both centered as a group). */
.login-main {
    position: relative;
    z-index: 1;
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
}

/* Larger, centered brand mark sitting outside/above the login box. */
.login-logo-hero {
    height: clamp(144px, 24vh, 232px);
    width: auto;
    filter: drop-shadow(0 8px 28px rgba(14,165,233,0.35));
    animation: fadeInUp var(--dur-slow) var(--ease-out) both;
}

/* Slow aurora orbs drifting behind the glass for depth */
.login-shell::before {
    content: '';
    position: absolute;
    inset: -25%;
    background:
        radial-gradient(circle at 25% 30%, rgba(14,165,233,0.22) 0%, transparent 40%),
        radial-gradient(circle at 78% 72%, rgba(99,102,241,0.20) 0%, transparent 42%);
    filter: blur(48px);
    z-index: 0;
    pointer-events: none;
    animation: loginAurora 20s var(--ease-standard) infinite alternate;
}

/* Faint line grid, matching .mud-main-content */
.login-shell::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(14,165,233,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14,165,233,0.06) 1px, transparent 1px);
    background-size: 30px 30px, 30px 30px;
    z-index: 0;
    pointer-events: none;
}

@keyframes loginAurora {
    0%   { transform: translate3d(0, 0, 0) scale(1); opacity: 0.85; }
    100% { transform: translate3d(0, -3%, 0) scale(1.08); opacity: 1; }
}

:root[data-theme="light"] .login-shell {
    background-image:
        radial-gradient(ellipse 90% 70% at 12% 6%, rgba(2,132,199,0.16) 0%, transparent 55%),
        radial-gradient(ellipse 85% 80% at 88% 94%, rgba(99,102,241,0.12) 0%, transparent 55%);
}

:root[data-theme="light"] .login-shell::after {
    background-image:
        linear-gradient(rgba(2,132,199,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(2,132,199,0.06) 1px, transparent 1px);
}


/* ============================================================================
   SECTION 2: The frosted-glass card
   ============================================================================ */

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 660px;
    padding: clamp(0.4375rem, 1vw, 0.6875rem) clamp(1.75rem, 4vw, 2.75rem);
    border-radius: var(--radius-xl);
    background: linear-gradient(160deg, rgba(232,240,252,0.12) 0%, rgba(232,240,252,0.04) 100%);
    border: 1px solid rgba(232,240,252,0.18);
    backdrop-filter: blur(22px) saturate(1.6);
    -webkit-backdrop-filter: blur(22px) saturate(1.6);
    box-shadow:
        var(--shadow-5),
        0 0 0 1px rgba(14,165,233,0.06) inset,
        0 0 60px rgba(14,165,233,0.10);
    animation: fadeInUp var(--dur-slow) var(--ease-out) both;
}

/* "Lit from within" top accent line */
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background: linear-gradient(90deg, transparent 0%, var(--brand-sky) 30%, var(--brand-cobalt) 70%, transparent 100%);
    opacity: 0.9;
    pointer-events: none;
}

:root[data-theme="light"] .login-card {
    background: linear-gradient(160deg, rgba(255,255,255,0.72) 0%, rgba(255,255,255,0.50) 100%);
    border-color: rgba(2,132,199,0.16);
    box-shadow:
        var(--shadow-4),
        0 0 0 1px rgba(2,132,199,0.05) inset,
        0 0 48px rgba(2,132,199,0.08);
}


/* ============================================================================
   SECTION 3: Card header (logo + gradient title + subtitle)
   ============================================================================ */

.login-title {
    font-size: var(--type-h2);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: var(--lh-h2);
    margin: 0 0 var(--space-1);
    text-align: center;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: var(--type-body-md);
    text-align: center;
    margin: 0 0 var(--space-5);
}


/* ============================================================================
   SECTION 4: Inputs — translucent glass pills with right-aligned icons
   Scoped + !important to override the app's boxed input style for login only.
   ============================================================================ */

.login-shell .mud-input-control {
    margin-bottom: var(--space-4);
}

.login-shell .mud-input-control .mud-input {
    border-radius: var(--radius-full) !important;
    background-color: rgba(232,240,252,0.06) !important;
    border: 1px solid rgba(232,240,252,0.16) !important;
    min-height: 52px !important;
    padding: 0 1.4rem !important;
    color: var(--text) !important;
    box-shadow: none !important;
}

/* Room for the trailing icon */
.login-shell .mud-input-adorned-end .mud-input {
    padding-right: 3.25rem !important;
}

.login-shell .mud-input-control .mud-input:focus,
.login-shell .mud-input-control.mud-focused .mud-input {
    border-color: var(--primary) !important;
    background-color: rgba(232,240,252,0.10) !important;
    box-shadow: 0 0 0 3px var(--focus), 0 0 16px var(--primary-glow) !important;
}

.login-shell .mud-input input::placeholder,
.login-shell .mud-input input::-webkit-input-placeholder {
    color: var(--text-muted) !important;
    opacity: 1 !important;
}

/* Kill the text-variant underline — the pill border is the only frame we want */
.login-shell .mud-input-control .mud-input.mud-input-text::before,
.login-shell .mud-input-control .mud-input.mud-input-text::after {
    display: none !important;
}

/* Trailing adornment icons + password toggle */
.login-shell .mud-input-adornment-end {
    width: 2.5rem !important;
}

.login-shell .mud-input-adornment-end .mud-svg-icon,
.login-shell .mud-input-adornment-end .mud-icon-root {
    font-size: 1.35rem !important;
    width: 1.35rem !important;
    height: 1.35rem !important;
    color: var(--text-muted) !important;
}

/* The password show/hide is a clickable adornment button — undo the global
   numeric-spin shrink rules and give it a comfortable tap target. */
.login-shell .mud-input-adornment-end .mud-button-root,
.login-shell .mud-input-adornment-end .mud-button-root.mud-icon-button {
    width: 2rem !important;
    height: 2rem !important;
    min-height: 2rem !important;
    max-height: 2rem !important;
    padding: 0 !important;
    border-radius: var(--radius-full) !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: var(--text-muted) !important;
}

.login-shell .mud-input-adornment-end .mud-button-root:hover {
    background: var(--hover-overlay) !important;
    color: var(--primary) !important;
    transform: none !important;
    filter: none !important;
}

.login-shell .mud-input-adornment-end .mud-button-root .mud-svg-icon,
.login-shell .mud-input-adornment-end .mud-button-root .mud-icon-root {
    font-size: 1.35rem !important;
    width: 1.35rem !important;
    height: 1.35rem !important;
}


/* ============================================================================
   SECTION 5: Submit button — gradient pill, full width
   ============================================================================ */

.login-shell .login-submit.mud-button-root.mud-button {
    width: 100%;
    height: 52px !important;
    margin-top: var(--space-2);
    border-radius: var(--radius-full) !important;
    background: var(--gradient-brand) !important;
    border: none !important;
    color: #ffffff !important;
    font-size: var(--type-body-md) !important;
    font-weight: 600 !important;
    letter-spacing: 0.06em !important;
    text-transform: none !important;
    box-shadow: 0 6px 24px rgba(14,165,233,0.35), 0 0 0 1px rgba(14,165,233,0.20) inset !important;
}

.login-shell .login-submit.mud-button-root.mud-button:not(:disabled):hover {
    box-shadow: 0 8px 34px rgba(14,165,233,0.50), 0 0 0 1px rgba(14,165,233,0.30) inset !important;
    transform: translateY(-1px) !important;
    filter: brightness(1.06) !important;
}

.login-shell .login-submit.mud-button-root.mud-button:disabled {
    opacity: 0.55 !important;
}


/* ============================================================================
   SECTION 6: Feedback + helper text
   ============================================================================ */

.login-shell .mud-alert {
    border-radius: var(--radius-md) !important;
    margin-bottom: var(--space-3) !important;
}

.login-help {
    display: block;
    margin-top: var(--space-5);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--type-label-lg);
    line-height: var(--lh-label);
}

.login-help a {
    color: var(--primary);
    font-weight: 500;
}


/* ============================================================================
   SECTION 6b: Theme selector — a prominent, accent-tinted control panel.
   The panel's tint uses the brand-soft gradient + accent bar/glow, so it
   visually previews the currently-selected accent (green vs blue). The label
   sits on the same row as the (2×2 wrapping) radio list.
   ============================================================================ */

.login-theme {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--space-3);
    margin-top: var(--space-3);
    padding: calc(var(--space-1) * 1.5) var(--space-4) var(--space-1);
    border-radius: var(--radius-lg);
    background: var(--gradient-brand-soft);
    border: 1px solid var(--border);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset, 0 0 28px var(--primary-glow);
    position: relative;
    overflow: hidden;
    animation: fadeInUp var(--dur-slow) var(--ease-out) both;
}

/* Left accent bar — the current brand gradient. */
.login-theme::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-brand);
}

/* One row, never wrap — the radio list (whichever element MudBlazor uses as the
   container) fills the whole panel and spreads the four options evenly across it. */
.login-theme-options,
.login-theme-options.mud-input-control,
.login-theme .mud-input-control-input-container,
.login-theme .mud-radio-group {
    flex: 1 1 auto;
    width: 100%;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0 0.25rem;
}

/* Compress each MudRadio so all four options + the label fit on one line. */
.login-theme .mud-radio {
    margin: 0 !important;
    white-space: nowrap;
}

.login-theme .mud-radio .mud-icon-button {
    padding: 1px !important;
}

/* Shrink the radio dot to help reduce the panel height. */
.login-theme .mud-radio .mud-icon-root,
.login-theme .mud-radio .mud-svg-icon {
    font-size: 1.1rem !important;
    width: 1.1rem !important;
    height: 1.1rem !important;
}

.login-theme .mud-radio .mud-radio-content,
.login-theme .mud-radio .mud-typography {
    font-size: 0.86rem;
    margin-left: -1px;
    color: var(--text);
    white-space: nowrap;
}

/* Remove MudBlazor's empty helper-text row so the panel's bottom hugs the radios. */
.login-theme .mud-input-control-helper-container,
.login-theme .mud-input-helper-text {
    display: none !important;
    min-height: 0 !important;
    margin: 0 !important;
}


/* ============================================================================
   SECTION 7: Footer (outside the card) — live datetime + version + credit
   ============================================================================ */

.login-footer {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding-top: var(--space-3);
    margin-top: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--type-body-sm);
    line-height: var(--lh-label);
    text-align: center;
    animation: fadeIn var(--dur-slow) var(--ease-out) both;
}

/* Datetime + version share one row (divided by .login-footer-dot); the copyright and
   credit lines below remain stacked by the parent's column flex. */
.login-footer-line {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.login-footer-clock {
    font-variant-numeric: tabular-nums;
}

.login-footer-dot {
    opacity: 0.5;
}

.login-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.login-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}


/* ============================================================================
   SECTION 8: Light-mode "dark text" uses the brand dark grey (#515151)
   Applies to the subtitle ("Please sign in…"), the footer text, and the typed
   login details. Links keep the accent colour; dark themes keep light text.
   ============================================================================ */

:root[data-theme="light"] .login-subtitle,
:root[data-theme="light"] .login-footer {
    color: #515151;
}

:root[data-theme="light"] .login-shell .mud-input-control .mud-input,
:root[data-theme="light"] .login-shell .mud-input-control .mud-input input {
    color: #515151 !important;
}