@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

@font-face {
    font-family: 'Montserrat';
    src: url('/fonts/Montserrat-Variable.woff2') format('woff2-variations'),
         url('/fonts/Montserrat-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --tb-font: 'Montserrat', system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --tb-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --tb-teal: #55C3B6;
    --tb-teal-light: #89DCCD;
    --tb-teal-lighter: #D4F5EE;
    --tb-teal-ui: #5BBFB3;
    --tb-teal-ui-dark: #3A9E92;
    --tb-teal-ui-darker: #4BA99C;
    --tb-teal-accessible: #1C7A6E;
    --tb-teal-dark: #2D8F85;
    --tb-slate-50: #FAFAFA;
    --tb-slate-100: #F4F4F4;
    --tb-slate-200: #E8E8E8;
    --tb-slate-300: #D4D4D4;
    --tb-slate-400: #A3A3A3;
    --tb-slate-500: #737373;
    --tb-slate-700: #404040;
    --tb-slate-800: #2E2E2E;
    --tb-slate-900: #1F1F1F;
    --tb-fg1: var(--tb-slate-900);
    --tb-fg2: var(--tb-slate-800);
    --tb-fg3: var(--tb-slate-700);
    --tb-fg-muted: var(--tb-slate-500);
    --tb-fg-faint: var(--tb-slate-400);
    --tb-border-strong: #E8E8E8;
    --tb-destructive: #DC4E4E;
    --tb-radius-md: 12px;
    --tb-radius-lg: 16px;
    --tb-radius-input: 14px;
    --tb-radius-2xl: 40px;
    --tb-radius-pill: 9999px;
    --tb-ease-out-soft: cubic-bezier(0.04, 0.62, 0.23, 0.98);
    --tb-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --tb-dur-base: 300ms;
    --tb-dur-slow: 500ms;
    --bs-font-sans-serif: var(--tb-font);
    --bs-body-font-family: var(--tb-font);
    --mud-typography-default-family: var(--tb-font);
    --mud-typography-body1-family: var(--tb-font);
    --mud-typography-body2-family: var(--tb-font);
    --mud-typography-button-family: var(--tb-font);
    --mud-typography-caption-family: var(--tb-font);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    font-family: var(--tb-font);
    font-weight: 400;
    color: var(--tb-fg1);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: normal;
}

.auth-shell,
.auth-shell *,
.auth-shell input,
.auth-shell button,
.auth-shell textarea,
.auth-shell select {
    font-family: var(--tb-font);
}

/* ── Login shell — obsidian stage with centered fingerprint ────── */

/* Keep MVC/identity shells full-width when they render outside the MudBlazor app shell. */
main.auth-shell {
    margin-left: 0;
    width: 100%;
}

.auth-shell {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 2rem);
    background:
        radial-gradient(ellipse 55% 45% at 50% 52%, rgba(91, 191, 179, 0.14), transparent 62%),
        radial-gradient(circle at 12% 12%, rgba(91, 191, 179, 0.05), transparent 38%),
        linear-gradient(180deg, var(--tb-slate-900) 0%, #090909 100%);
    color: #FFFFFF;
    overflow: hidden;
    isolation: isolate;
}

.auth-wrapper {
    position: relative;
    z-index: 1;
    width: min(100%, 30rem);
}

.login-fingerprint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(90vh, 58rem);
    max-width: 120vw;
    height: auto;
    opacity: 0.05;
    mix-blend-mode: screen;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    filter: saturate(0.7);
}

.brand-grain {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.06;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.brand-grain--card {
    opacity: 0.03;
    border-radius: inherit;
}

/* ── Card — single centered, luxurious shadow stack ────────────── */

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--tb-slate-50) 100%);
    border-radius: var(--tb-radius-2xl);
    padding: clamp(2.5rem, 5vw, 3.5rem);
    box-shadow:
        0 40px 80px -12px rgba(0, 0, 0, 0.55),
        0 18px 40px -20px rgba(91, 191, 179, 0.22),
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.85),
        0 0 0 0.5px rgba(203, 213, 225, 0.55);
    color: var(--tb-fg1);
    overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
    .login-card {
        animation: login-card-enter 520ms var(--tb-ease-out-soft) both;
    }
}

@keyframes login-card-enter {
    from { opacity: 0; transform: translateY(12px) scale(0.975); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Head — logo, divider, "Sign in" headline ──────────────────── */

.login-head {
    position: relative;
    z-index: 1;
    margin-bottom: 1.75rem;
}

.login-mark {
    display: block;
    height: 30px;
    width: auto;
}

.login-divider {
    display: block;
    width: 2.75rem;
    height: 1px;
    background: linear-gradient(90deg, var(--tb-teal-ui) 0%, rgba(91, 191, 179, 0.15) 100%);
    margin: 1.25rem 0 1rem;
}

/* In-app heading convention — Montserrat 600 sentence case, NOT the 900 UPPERCASE marketing signature */
.login-headline {
    font-family: var(--tb-font);
    font-weight: 600;
    font-style: normal;
    text-transform: none;
    letter-spacing: -0.005em;
    line-height: 1.1;
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    color: var(--tb-fg1);
    margin: 0;
}

/* ── Form layer ────────────────────────────────────────────────── */

.login-form {
    position: relative;
    z-index: 1;
    margin: 0;
}

.login-alert.mud-alert {
    border-radius: var(--tb-radius-lg);
    font-family: var(--tb-font);
    margin-bottom: 0.75rem;
}

.login-show-password {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.1rem;
    padding: 0.15rem 0;
    color: var(--tb-fg-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.login-show-password input[type="checkbox"] {
    accent-color: var(--tb-teal-ui);
    cursor: pointer;
}

.login-show-password:hover {
    color: var(--tb-teal-accessible);
}

/* Static SSR inputs — in-app convention (1px slate, teal focus ring, 14px radius) */
.login-field {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 0.85rem;
}

.login-field label {
    color: var(--tb-fg-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.login-input {
    width: 100%;
    min-height: 3.2rem;
    border: 1px solid var(--tb-border-strong);
    border-radius: var(--tb-radius-input);
    background: #FFFFFF;
    color: var(--tb-fg1);
    font-family: var(--tb-font);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0;
    padding: 0.85rem 1rem;
    outline: none;
    transition: border-color var(--tb-dur-base) var(--tb-ease-out),
                box-shadow var(--tb-dur-base) var(--tb-ease-out);
}

.login-input:hover {
    border-color: var(--tb-slate-300);
}

.login-input:focus {
    border-color: var(--tb-teal-ui);
    box-shadow: 0 0 0 3px rgba(91, 191, 179, 0.28);
}

.login-input.input-validation-error {
    border-color: var(--tb-destructive);
}

/* ── Submit — pill CTA with conic-gradient sheen ───────────────── */

.login-submit.mud-button-root {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    margin-top: 1rem;
    border-radius: var(--tb-radius-pill);
    background: var(--tb-teal-ui);
    border: 1px solid var(--tb-teal-ui-dark);
    color: #FFFFFF;
    font-family: var(--tb-font);
    font-weight: 500;
    font-size: 0.92rem;
    letter-spacing: 0;
    text-transform: none;
    padding: 0.85rem 1.4rem;
    box-shadow: 0 4px 12px rgba(91, 191, 179, 0.18);
    transition: transform var(--tb-dur-base) var(--tb-ease-out-soft),
                box-shadow var(--tb-dur-base) var(--tb-ease-out),
                background var(--tb-dur-base) var(--tb-ease-out);
}

.login-submit.mud-button-root:hover:not(:disabled) {
    background: var(--tb-teal-ui-darker);
    transform: translateY(-1px);
    box-shadow: 0 12px 45px rgba(85, 195, 182, 0.35);
}

.login-submit.mud-button-root:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(91, 191, 179, 0.25);
}

.login-submit.mud-button-root:disabled {
    opacity: 0.6;
    transform: none;
}

.login-submit.mud-button-root .mud-button-label {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.login-submit.mud-button-root .mud-button-icon-end svg {
    width: 16px;
    height: 16px;
}

.login-submit::after {
    content: "";
    position: absolute;
    inset: -120%;
    background: conic-gradient(from 0deg at 50% 50%,
        transparent 0deg,
        rgba(255, 255, 255, 0.22) 60deg,
        transparent 120deg,
        transparent 240deg,
        rgba(255, 255, 255, 0.14) 300deg,
        transparent 360deg);
    opacity: 0;
    pointer-events: none;
    mix-blend-mode: screen;
    z-index: 0;
    transition: opacity var(--tb-dur-slow) var(--tb-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
    .login-submit::after {
        animation: login-submit-sheen 9s linear infinite;
    }

    .login-submit.mud-button-root:hover:not(:disabled)::after {
        opacity: 1;
    }
}

@keyframes login-submit-sheen {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── Secondary actions — Remember-me + Forgot password under CTA ─ */

.login-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--tb-border-strong);
}

.login-remember {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--tb-fg3);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.login-remember input[type="checkbox"] {
    accent-color: var(--tb-teal-ui);
    cursor: pointer;
}

.login-forgot {
    color: var(--tb-teal-accessible);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0;
    text-decoration: none;
    transition: color var(--tb-dur-base) var(--tb-ease-out);
}

.login-forgot:hover {
    color: var(--tb-teal-dark);
}

/* ── Dev credentials — subtle teal-dashed footer ───────────────── */

.login-dev-credentials {
    position: relative;
    z-index: 1;
    margin-top: 1.25rem;
    padding: 1rem 1.15rem;
    border: 1px dashed rgba(91, 191, 179, 0.35);
    border-radius: var(--tb-radius-lg);
    background: rgba(212, 245, 238, 0.35);
    color: var(--tb-fg3);
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.65;
}

.login-dev-credentials .dev-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
    color: var(--tb-teal-accessible);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.login-dev-credentials .dev-credential {
    display: block;
    width: 100%;
    text-align: left;
    margin-top: 0.35rem;
    padding: 0.45rem 0.6rem;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: var(--tb-fg1);
    font-family: var(--tb-mono);
    font-size: 0.75rem;
    line-height: 1.35;
    cursor: pointer;
    transition: background var(--tb-dur-base) var(--tb-ease-out),
                border-color var(--tb-dur-base) var(--tb-ease-out),
                box-shadow var(--tb-dur-base) var(--tb-ease-out),
                transform 150ms var(--tb-ease-out-soft);
}

.login-dev-credentials .dev-credential:hover {
    border-color: rgba(91, 191, 179, 0.35);
    background: rgba(255, 255, 255, 0.6);
}

.login-dev-credentials .dev-credential:focus-visible {
    outline: none;
    border-color: var(--tb-teal-ui);
    box-shadow: 0 0 0 3px rgba(91, 191, 179, 0.22);
}

.login-dev-credentials .dev-credential:active {
    transform: translateY(0.5px);
}

/* Blazor validation message */
.validation-message {
    display: block;
    margin-top: 0.3rem;
    color: var(--tb-destructive);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ── Mobile ────────────────────────────────────────────────────── */

@media (max-width: 520px) {
    .auth-shell { padding: 1.25rem; align-items: stretch; }
    .auth-wrapper { align-self: center; }
    .login-card { padding: 1.75rem 1.5rem; border-radius: 28px; }
    .login-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}