/* ==========================================================================
   FLOWSENSE — login.php / register.php  [APP]
   Split layout: vlevo formulář, vpravo technický panel (radar, UID ticker,
   mřížka a scanline). Na mobilu (< 60rem) jen formulář.
   Používá tokeny z base.css a komponenty z components.css (field, input,
   check, alert, btn); lokální jsou jen třídy s prefixem .auth*.
   ========================================================================== */

.auth {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-height: calc(100dvh - var(--header-h));
    border-bottom: 1px solid var(--line);
}

@media (min-width: 60rem) {
    .auth {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    }
}

.auth__main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(var(--space-6), 6vw, var(--space-9)) var(--gutter);
}

.auth__inner {
    width: 100%;
    max-width: 400px;
}

/* --------------------------------------------------------------------------
   Formulář
   -------------------------------------------------------------------------- */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.auth-form__head {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.auth-form__head .eyebrow {
    margin-bottom: var(--space-2);
}

.auth-form__title {
    font-size: clamp(2rem, 1.4rem + 2.2vw, 2.75rem);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.auth-form__sub {
    color: var(--text-2);
    font-size: var(--text-md);
    line-height: 1.5;
}

.auth-form .alerts {
    margin-bottom: 0;
}

.auth-form .check {
    align-self: flex-start;
}

.auth-form__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-1);
}

.auth-form__switch {
    font-size: var(--text-sm);
    color: var(--text-2);
    text-align: center;
}

/* Fakta pod nadpisem registrace: Account Free · UID With your first key */
.auth-facts {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding: 0;
    list-style: none;
}

.auth-facts li {
    display: inline-flex;
    align-items: center;
    height: 26px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    overflow: hidden;
}

.auth-facts__key {
    display: inline-flex;
    align-items: center;
    height: 100%;
    padding: 0 8px;
    border-right: 1px solid var(--line-2);
    background: var(--surface-1);
    color: var(--text-3);
}

.auth-facts__value {
    padding: 0 9px;
    color: var(--text);
}

/* Heslo: input + tlačítko show/hide uvnitř */
.auth-pass {
    position: relative;
}

.auth-pass .input {
    padding-right: 3rem;
}

.auth-pass__toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-3);
    translate: 0 -50%;
    transition: color var(--dur) ease, background-color var(--dur) ease;
}

.auth-pass__toggle:hover {
    color: var(--text);
    background: var(--surface-3);
}

.auth-pass__toggle .icon {
    width: 18px;
    height: 18px;
}

.auth-pass__hide,
.auth-pass__toggle[aria-pressed="true"] .auth-pass__show {
    display: none;
}

.auth-pass__toggle[aria-pressed="true"] .auth-pass__hide {
    display: block;
}

/* fajfka u potvrzení hesla, když se shoduje */
.auth-pass__match {
    position: absolute;
    top: 50%;
    right: 16px;
    color: var(--accent);
    opacity: 0;
    translate: 0 -50%;
    scale: 0.6;
    transition: opacity var(--dur) ease, scale var(--dur-slow) var(--ease-spring);
    pointer-events: none;
}

.auth-pass__match .icon {
    width: 18px;
    height: 18px;
}

.auth-pass__match.is-visible {
    opacity: 1;
    scale: 1;
}

/* Caps Lock hint */
.auth-caps {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--warning);
}

.auth-caps::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.auth-caps[hidden] {
    display: none;
}

/* Síla hesla — 4 segmenty + popisek, decentně */
.auth-strength {
    --strength-c: var(--line-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-strength[hidden] {
    display: none;
}

.auth-strength__bars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    flex: 1;
}

.auth-strength__bars i {
    height: 3px;
    border-radius: var(--radius-pill);
    background: var(--line-2);
    transition: background-color var(--dur) ease;
}

.auth-strength[data-score="1"] { --strength-c: var(--danger); }
.auth-strength[data-score="2"] { --strength-c: var(--warning); }
.auth-strength[data-score="3"],
.auth-strength[data-score="4"] { --strength-c: var(--accent); }

.auth-strength[data-score="1"] i:nth-child(-n + 1),
.auth-strength[data-score="2"] i:nth-child(-n + 2),
.auth-strength[data-score="3"] i:nth-child(-n + 3),
.auth-strength[data-score="4"] i:nth-child(-n + 4) {
    background: var(--strength-c);
}

.auth-strength__label {
    min-width: 6.5rem;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-align: right;
    text-transform: uppercase;
    color: var(--text-3);
}

/* Odesílání: text tlačítka se změní (data-loading-text) + malý spinner */
.btn.is-pending {
    pointer-events: none;
}

.btn.is-pending::before {
    content: "";
    width: 0.95em;
    height: 0.95em;
    border: 1.5px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: authSpin 0.7s linear infinite;
}

@keyframes authSpin {
    to { transform: rotate(360deg); }
}

/* Vstupní animace: prvky formuláře najedou postupně */
@media (prefers-reduced-motion: no-preference) {
    [data-enter] {
        animation: authEnter 0.8s var(--ease-out) both;
        animation-delay: calc(var(--i, 0) * 70ms + 80ms);
    }
}

@keyframes authEnter {
    from {
        opacity: 0;
        translate: 0 14px;
        filter: blur(4px);
    }
    to {
        opacity: 1;
        translate: 0 0;
        filter: blur(0);
    }
}

/* --------------------------------------------------------------------------
   Vizuální panel (jen desktop)
   -------------------------------------------------------------------------- */
.auth-visual {
    position: relative;
    display: none;
    overflow: hidden;
    border-left: 1px solid var(--line);
    background:
        radial-gradient(120% 80% at 70% 40%, rgba(var(--accent-rgb), 0.035), transparent 60%),
        var(--bg);
    isolation: isolate;
}

@media (min-width: 60rem) {
    .auth-visual {
        display: grid;
        grid-template-rows: auto 1fr auto auto;
        gap: var(--space-6);
        padding: var(--space-6) clamp(var(--space-6), 4vw, var(--space-8));
    }
}

@media (prefers-reduced-motion: no-preference) {
    .auth-visual {
        animation: authPanelIn 1.1s var(--ease-out) both;
    }
}

@keyframes authPanelIn {
    from { clip-path: inset(0 0 0 100%); }
    to   { clip-path: inset(0 0 0 0); }
}

/* mřížka s pomalým posunem, okraje do ztracena */
.auth-visual__grid {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask: radial-gradient(90% 75% at 60% 45%, #000 30%, transparent 78%);
    mask: radial-gradient(90% 75% at 60% 45%, #000 30%, transparent 78%);
    animation: authGrid 40s linear infinite;
}

@keyframes authGrid {
    to { background-position: 56px 56px, 56px 56px; }
}

/* scanline přes celý panel */
.auth-visual__scan {
    position: absolute;
    inset-inline: 0;
    top: 0;
    z-index: -1;
    height: 120px;
    background: linear-gradient(to bottom, transparent, rgba(var(--accent-rgb), 0.05) 85%, rgba(var(--accent-rgb), 0.35) 100%);
    background-size: 100% 100%;
    -webkit-mask: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
    mask: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
    translate: 0 -120px;
    animation: authScan 7s cubic-bezier(0.45, 0, 0.55, 1) infinite;
    pointer-events: none;
}

@keyframes authScan {
    0%   { translate: 0 -120px; opacity: 0; }
    10%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { translate: 0 calc(100dvh); opacity: 0; }
}

.auth-visual__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--text-3);
}

.auth-visual__status {
    --status-rgb: var(--info-rgb);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-2);
}

.auth-visual__status i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgb(var(--status-rgb));
    box-shadow: 0 0 0 3px rgba(var(--status-rgb), 0.15);
}

.auth-visual__status--undetected  { --status-rgb: var(--accent-rgb); }
.auth-visual__status--updating    { --status-rgb: var(--warning-rgb); }
.auth-visual__status--detected    { --status-rgb: var(--danger-rgb); }
.auth-visual__status--maintenance { --status-rgb: var(--info-rgb); }

/* Radar — kruhy, osy, rotující výseč a „blipy“, které se rozsvítí při průchodu */
.auth-radar {
    --sweep: 6s;
    position: relative;
    align-self: center;
    justify-self: end;
    width: min(100%, 26rem, 52vh);
    aspect-ratio: 1;
    margin-right: clamp(-6rem, -4vw, 0rem);
    border: 1px solid var(--line-2);
    border-radius: 50%;
}

.auth-radar__ring {
    position: absolute;
    inset: 16.66%;
    border: 1px solid var(--line);
    border-radius: 50%;
}

.auth-radar__ring--2 { inset: 33.33%; }
.auth-radar__ring--3 { inset: 45%; border-style: dashed; border-color: var(--line-2); }

.auth-radar__axis {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(var(--line), var(--line)) center / 1px 100% no-repeat,
        linear-gradient(var(--line), var(--line)) center / 100% 1px no-repeat;
}

.auth-radar__sweep {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0deg, transparent 300deg,
                rgba(var(--accent-rgb), 0.02) 310deg, rgba(var(--accent-rgb), 0.16) 359deg,
                rgba(var(--accent-rgb), 0.55) 360deg);
    animation: authSweep var(--sweep) linear infinite;
}

@keyframes authSweep {
    to { rotate: 360deg; }
}

.auth-radar__blip {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 7px;
    height: 7px;
    margin: -3.5px 0 0 -3.5px;
    border-radius: 50%;
    background: var(--danger);
    opacity: 0;
    /* --a = úhel blipu jako zlomek otáčky → zpoždění, aby se rozsvítil přesně pod výsečí */
    animation: authBlip var(--sweep) linear infinite;
    animation-delay: calc(var(--a) * var(--sweep) - var(--sweep));
}

.auth-radar__blip--team {
    background: var(--info);
}

@keyframes authBlip {
    0%   { opacity: 1; scale: 1.4; box-shadow: 0 0 0 4px rgba(var(--danger-rgb), 0.2); }
    8%   { scale: 1; }
    70%  { opacity: 0.12; box-shadow: 0 0 0 0 transparent; }
    100% { opacity: 0; }
}

.auth-radar__you {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 9px solid var(--text);
    translate: -50% -60%;
}

/* UID ticker — počítadlo, každá číslice je sloupec 0–9 (+0) posouvaný animací */
.auth-ticker {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.auth-ticker__label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--text-3);
}

.auth-ticker__value {
    display: flex;
    font-family: var(--font-mono);
    font-size: clamp(4rem, 2rem + 5vw, 7.5rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.06em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.auth-ticker__hash {
    color: var(--text-3);
}

.auth-ticker__digit {
    color: var(--text-3);
}

.auth-ticker__col {
    display: flex;
    flex-direction: column;
    height: 1em;
    overflow: hidden;
    -webkit-mask: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
    mask: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.auth-ticker__col > span {
    display: block;
    height: 1em;
    flex-shrink: 0;
    animation: authOdo var(--dur) linear infinite;
    animation-delay: calc(var(--start) * var(--dur) * -1);
}

/* 10 kroků po 10 %: 70 % času číslice stojí, 30 % se posouvá na další */
@keyframes authOdo {
    0%, 7%    { translate: 0 0; }
    10%, 17%  { translate: 0 -1em; }
    20%, 27%  { translate: 0 -2em; }
    30%, 37%  { translate: 0 -3em; }
    40%, 47%  { translate: 0 -4em; }
    50%, 57%  { translate: 0 -5em; }
    60%, 67%  { translate: 0 -6em; }
    70%, 77%  { translate: 0 -7em; }
    80%, 87%  { translate: 0 -8em; }
    90%, 97%  { translate: 0 -9em; }
    100%      { translate: 0 -10em; }
}

/* desítky: posun jen v posledních 0,3 % periody — přesně ve chvíli, kdy jednotky přetečou 9 → 0
   (perioda desítek = 10 × perioda jednotek, --start 0.42 = číslice 4 sladěná s jednotkami) */
.auth-ticker__col--slow > span {
    animation-name: authOdoSlow;
}

@keyframes authOdoSlow {
    0%, 9.7%   { translate: 0 0; }
    10%, 19.7%  { translate: 0 -1em; }
    20%, 29.7%  { translate: 0 -2em; }
    30%, 39.7%  { translate: 0 -3em; }
    40%, 49.7%  { translate: 0 -4em; }
    50%, 59.7%  { translate: 0 -5em; }
    60%, 69.7%  { translate: 0 -6em; }
    70%, 79.7%  { translate: 0 -7em; }
    80%, 89.7%  { translate: 0 -8em; }
    90%, 99.7%  { translate: 0 -9em; }
    100%        { translate: 0 -10em; }
}

.auth-ticker__caption {
    max-width: 36ch;
    font-size: var(--text-sm);
    color: var(--text-2);
}

/* kroky dole: 01 Create account · 02 Redeem a key · 03 Play */
.auth-visual__steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 0;
    padding: var(--space-4) 0 0;
    border-top: 1px solid var(--line);
    list-style: none;
    font-size: var(--text-sm);
    color: var(--text-3);
}

.auth-visual__steps li {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.auth-visual__steps span {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-mono);
}

.auth-visual__steps .is-current {
    color: var(--text);
}

.auth-visual__steps .is-current span {
    color: var(--accent);
}

/* Footer pod split layoutem nepotřebuje velký odstup */
.page-auth .site-footer {
    margin-top: 0;
    border-top: 0;
}

/* --------------------------------------------------------------------------
   v4: forgot / reset / 2FA, Discord login, referral
   -------------------------------------------------------------------------- */

/* řádek labelu s odkazem vpravo (Password · Forgot password?) */
.auth-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
}

.auth-forgot {
    font-size: 0.8125rem;
    font-weight: 450;
    color: var(--text-2);
}

/* „or“ + Log in with Discord */
.auth-alt {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.auth-alt__or {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--text-3);
}

.auth-alt__or::before,
.auth-alt__or::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}

.auth-alt__hint {
    font-size: var(--text-xs);
    color: var(--text-3);
    text-align: center;
}

.auth-referral .input[readonly] {
    letter-spacing: 0.12em;
}

.auth-backup {
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* menší vizuální panel (bez kroků dole) */
@media (min-width: 60rem) {
    .auth-visual--compact {
        grid-template-rows: auto 1fr auto;
    }
}

.auth-ticker__value--text {
    align-items: baseline;
    letter-spacing: -0.04em;
}

.auth-ticker__unit {
    margin-left: 0.18em;
    font-size: 0.32em;
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--text-3);
}

.auth-ticker__otp {
    color: var(--text-3);
    letter-spacing: 0.08em;
}

/* 30s odpočet TOTP (dekorace) */
.auth-otp-timer {
    display: block;
    width: min(100%, 18rem);
    height: 2px;
    border-radius: var(--radius-pill);
    background: var(--line-2);
    overflow: hidden;
}

.auth-otp-timer span {
    display: block;
    height: 100%;
    background: var(--accent);
    transform-origin: left center;
    animation: authOtpTimer 30s linear infinite;
}

@keyframes authOtpTimer {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}