/* ===== Sign-in v1: fully standalone, monochrome business minimal =====
   This file is the ONLY stylesheet on the sign-in screen. No app variables,
   no inheritance, no gradients. Theme-aware via html[data-theme] (JS sets it
   before first paint; toggle in the corner). rem units, logical properties,
   44px targets, reduced-motion + contrast preferences honored
   (WCAG 2.2 / platform-design-skills web guidelines). */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Kill pull-to-refresh, same as the app stylesheet: the sign-in screen is
   static, so the gesture can only cause an accidental reload. */
html, body {
    overscroll-behavior-y: none;
}

body {
    background: #0e0f11;
    background-image: none;
    color: #f2f4f7;
    color-scheme: dark;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
}

.signin {
    --signin-surface: #15171a;
    --signin-text: #f2f4f7;
    --signin-muted: #9aa3ad;
    --signin-border: #262b31;
    --signin-field: #1d2024;
    --signin-ink: #f2f4f7;
    --signin-ink-text: #0e0f11;
    --signin-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
}

.signin button,
.signin button:hover,
.signin button:active {
    transform: none;
}

.signin {
    min-height: 100svh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-block: clamp(1.5rem, 5vb, 3rem);
    padding-inline: 1rem;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.signin-inner {
    inline-size: min(100%, 24rem);
    animation: riseIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
@keyframes riseIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.signin-util {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: 1.5rem;
}

.signin .lang-group {
    display: inline-flex;
    border: 1px solid var(--signin-border);
    border-radius: var(--custom-border-radius, 0.375rem);
    overflow: hidden;
}

.signin .lang-group .lang-btn {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding-block: 0.5rem;
    padding-inline: 0.875rem;
    min-height: 2.75rem;
    color: var(--signin-muted);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transform: none;
}

.signin .lang-group .lang-btn:hover {
    background: transparent;
    color: var(--signin-text);
    transform: none;
}

.signin .lang-group .lang-btn.active {
    background: var(--signin-ink);
    color: var(--signin-ink-text);
}

.signin .util-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 2.75rem;
    min-block-size: 2.75rem;
    padding-block: 0.5rem;
    padding-inline: 0.75rem;
    background: transparent;
    border: 1px solid var(--signin-border);
    border-radius: var(--custom-border-radius, 0.375rem);
    color: var(--signin-muted);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    line-height: 1;
    transform: none;
}

.signin .util-btn:hover {
    border-color: var(--signin-muted);
    color: var(--signin-text);
    transform: none;
}

.signin :focus-visible {
    outline: 2px solid var(--signin-text);
    outline-offset: 2px;
}

/* Theme toggle icon follows the active theme: sun in dark
   (action: go light), moon in light (action: go dark) */
.signin .util-btn .theme-icon-sun {
    display: block;
}
.signin .util-btn .theme-icon-moon {
    display: none;
}
html[data-theme="light"] .signin .util-btn .theme-icon-sun {
    display: none;
}
html[data-theme="light"] .signin .util-btn .theme-icon-moon {
    display: block;
}

/* Password eye toggle: eye by default, crossed eye when visible */
.signin .password-wrap .pw-icon-hide {
    display: none;
}
.signin .password-wrap .password-toggle[aria-pressed="true"] .pw-icon-show {
    display: none;
}
.signin .password-wrap .password-toggle[aria-pressed="true"] .pw-icon-hide {
    display: block;
}

.signin-panel {
    background: var(--signin-surface);
    border: 1px solid var(--signin-border);
    border-block-start: 3px solid var(--signin-text);
    border-radius: 0.5rem;
    box-shadow: var(--signin-shadow);
    padding-block: 2rem;
    padding-inline: clamp(1.25rem, 5%, 2rem);
    animation: riseIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.07s backwards;
}

.signin-eyebrow {
    margin-block: 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-align: start;
    color: var(--signin-muted);
}

.signin-panel h1 {
    margin-block: 0 0.25rem;
    font-size: clamp(1.375rem, 1.15rem + 1vw, 1.625rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    text-align: start;
    color: var(--signin-text);
}

.signin-sub {
    margin-block: 0 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    text-align: start;
    color: var(--signin-muted);
}

.signin-panel .field {
    margin-block-end: 1rem;
}

.signin-panel label {
    display: block;
    margin-block-end: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--signin-text);
}

.signin-panel input[type="text"],
.signin-panel input[type="password"] {
    inline-size: 100%;
    min-block-size: 2.75rem;
    padding-block: 0.625rem;
    padding-inline: 0.75rem;
    background: var(--signin-field);
    border: 1px solid var(--signin-border);
    border-radius: var(--custom-border-radius, 0.375rem);
    color: var(--signin-text);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
}

.signin-panel input::placeholder {
    color: var(--signin-muted);
    opacity: 1;
}

.signin-panel input[type="text"]:focus,
.signin-panel input[type="password"]:focus {
    outline: none;
    border-color: var(--signin-muted);
    box-shadow: 0 0 0 3px rgba(154, 163, 173, 0.18);
}

.signin .password-wrap {
    position: relative;
}

.signin .password-wrap input[type="password"],
.signin .password-wrap input[type="text"] {
    padding-inline-end: 5.5rem;
}

.signin .password-wrap .password-toggle {
    position: absolute;
    inset-inline-end: 0.375rem;
    inset-block: 0;
    margin-block: auto;
    block-size: 2.5rem;
    inline-size: 2.5rem;
    padding: 0;
    background: transparent;
    border: 0;
    color: var(--signin-muted);
    cursor: pointer;
}

.signin .password-wrap .password-toggle:hover {
    border: 0;
    color: var(--signin-text);
}

.signin-submit {
    inline-size: 100%;
    min-block-size: 2.75rem;
    margin-block-start: 0.25rem;
    padding-block: 0.625rem;
    padding-inline: 1rem;
    background: var(--signin-ink);
    border: 1px solid var(--signin-ink);
    border-radius: var(--custom-border-radius, 0.375rem);
    color: var(--signin-ink-text);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transform: none;
}

.signin-submit:hover {
    opacity: 0.88;
    transform: none;
}

.signin-submit:active {
    opacity: 0.8;
    transform: none;
}

.signin-forgot {
    display: block;
    inline-size: 100%;
    margin-block-start: 0.75rem;
    padding-block: 0.625rem;
    min-block-size: 2.75rem;
    background: none;
    border: 0;
    color: var(--signin-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transform: none;
}

.signin-forgot:hover {
    background: none;
    color: var(--signin-text);
    text-decoration: underline;
    transform: none;
}

.signin #loginMessage:empty {
    display: none;
}

.signin #loginMessage {
    margin-block-start: 1rem;
}

.signin .signin-error {
    display: flex;
    gap: 0.625rem;
    align-items: flex-start;
    margin-block: 0;
    padding-block: 0.625rem;
    padding-inline: 0.75rem;
    border: 1px solid var(--signin-text);
    border-inline-start-width: 3px;
    border-radius: var(--custom-border-radius, 0.375rem);
    color: var(--signin-text);
    font-size: 0.875rem;
    line-height: 1.5;
}

.signin .signin-error::before {
    content: "!";
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 1.25rem;
    block-size: 1.25rem;
    border: 1.5px solid currentColor;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
}

/* Build stamp: fixed lower-right so deploys are verifiable by eye */
.signin-version {
    position: fixed;
    inset-inline-end: 1rem;
    inset-block-end: 0.75rem;
    margin: 0;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--signin-muted);
    opacity: 0.8;
}

/* Skip link: visible on keyboard focus only */
.skip-link {
    position: absolute;
    inset-block-start: -100%;
    inset-inline-start: 0;
    z-index: 1000;
    padding-block: 0.75rem;
    padding-inline: 1.5rem;
    background: var(--signin-ink);
    color: var(--signin-ink-text);
    font-weight: 600;
}
.skip-link:focus-visible {
    inset-block-start: 0;
    outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
    .signin *,
    .signin *::before,
    .signin *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: more) {
    .signin {
        --signin-border: var(--signin-text);
    }
    .signin-panel input[type="text"],
    .signin-panel input[type="password"] {
        border-width: 2px;
    }
}

@media (max-width: 30rem) {
    .signin-panel {
        padding-block: 1.5rem;
        padding-inline: 1.25rem;
    }
}

/* Smooth theme switch, mirrors the app stylesheet: .theme-fade rides on
   visible elements for ~400ms around setThemeMode. Reduced-motion users
   skip it. */
@media (prefers-reduced-motion: no-preference) {
    .theme-fade {
        transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease !important;
    }
}

/* ===== Light theme (html[data-theme="light"], set by JS pre-paint) =====
   Same tokens, light values — every rule above already reads the vars,
   so this block is the entire theme. */
html[data-theme="dark"] body {
    color-scheme: dark;
}
html[data-theme="light"] body {
    background: #f4f5f7;
    color: #16181d;
    color-scheme: light;
}
html[data-theme="light"] .signin {
    --signin-surface: #ffffff;
    --signin-text: #16181d;
    --signin-muted: #5b6470;
    --signin-border: #d9dee5;
    --signin-field: #eef0f3;
    --signin-ink: #16181d;
    --signin-ink-text: #ffffff;
    --signin-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .08);
}