/* CodingShadows — Internal theme
   Light / monochrome: an ink-on-paper study of light and shadow.
   No color accent; hierarchy comes from ink weight, type, and real shadow depth. */

:root {
    --cs-paper: #EBECEF;
    --cs-paper-lit: #F5F6F8;
    --cs-paper-shade: #DCDEE3;
    --cs-card: #FFFFFF;
    --cs-ink: #15171E;
    --cs-ink-soft: #3B3F4B;
    --cs-graphite: #5C6070;
    --cs-mist: #9296A3;
    --cs-line: #E4E6EB;
    --cs-line-hero: #D5D8DE;
    --cs-shadow: 21, 23, 30;
    --cs-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    max-width: 100%;
    overflow-x: hidden;
    background: var(--cs-paper);
}

body {
    margin: 0;
    color: var(--cs-ink);
    font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--cs-ink);
    text-decoration: none;
}

/* ---------------- Shell ---------------- */
.cs-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: minmax(0, 1.05fr) minmax(440px, 0.95fr);
}

/* ---------------- Hero (shadow side) ---------------- */
.cs-hero {
    position: relative;
    z-index: 0;
    display: flex;
    overflow: hidden;
    flex-direction: column;
    padding: 44px 46px;
    border-right: 1px solid var(--cs-line-hero);
    background:
        radial-gradient(150% 120% at 92% -6%, var(--cs-paper-lit), transparent 50%),
        linear-gradient(156deg, var(--cs-paper-lit) 0%, var(--cs-paper) 44%, var(--cs-paper-shade) 100%);
}

/* one whisper of a cast shadow, no caster — texture, not a picture */
.cs-hero::after {
    position: absolute;
    bottom: -24%;
    left: -14%;
    z-index: -1;
    width: 78%;
    height: 70%;
    background: radial-gradient(closest-side, rgba(var(--cs-shadow), 0.07), transparent 70%);
    filter: blur(26px);
    transform: skewX(-22deg);
    content: "";
    pointer-events: none;
}

.cs-hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.cs-wordmark img {
    display: block;
    width: 176px;
    height: auto;
}

/* Animated signature gif: black strokes on a solid white ground.
   multiply drops the white so it reads as ink drawn on the paper. */
.cs-wordmark .cs-signature {
    width: 220px;
    mix-blend-mode: multiply;
}

.cs-meta {
    color: var(--cs-mist);
    font-family: var(--cs-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    line-height: 1.8;
    text-align: right;
    text-transform: uppercase;
}

.cs-hero-mid {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    padding: 30px 0;
}

.cs-eyebrow {
    color: var(--cs-mist);
    font-family: var(--cs-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.cs-tagline {
    max-width: 13ch;
    margin: 16px 0 0;
    color: var(--cs-ink);
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.0;
    text-wrap: balance;
}

.cs-tagline .cs-fade {
    color: var(--cs-mist);
}

.cs-support {
    max-width: 38ch;
    margin: 22px 0 0;
    color: var(--cs-graphite);
    font-size: 15px;
    line-height: 1.55;
}

.cs-hero-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 22px;
    border-top: 1px solid var(--cs-line-hero);
}

.cs-index {
    display: flex;
    flex-wrap: wrap;
}

.cs-index span {
    padding: 0 13px;
    border-left: 1px solid var(--cs-line-hero);
    color: var(--cs-graphite);
    font-family: var(--cs-mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.cs-index span:first-child {
    padding-left: 0;
    border-left: 0;
}

.cs-stat {
    color: var(--cs-mist);
    font-family: var(--cs-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* ---------------- Form (light side) ---------------- */
.cs-auth {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px clamp(24px, 4vw, 56px);
    background: var(--cs-card);
}

.cs-card {
    width: 100%;
    max-width: 420px;
}

.cs-card img,
.cs-card input,
.cs-card button,
.cs-card .social-buttons {
    max-width: 100%;
}

.auth-logo {
    display: none;
    justify-content: center;
    margin-bottom: 30px;
}

.auth-logo img {
    width: 176px;
    height: auto;
}

.auth-title {
    margin: 0;
    color: var(--cs-ink);
    font-size: clamp(25px, 3vw, 31px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.06;
    text-wrap: balance;
}

.auth-subtitle {
    margin: 10px 0 0;
    color: var(--cs-graphite);
    font-size: 14.5px;
    line-height: 1.5;
}

/* keep a consistent gap under the header before the form */
.auth-title + .auth-subtitle {
    margin-bottom: 28px;
}

body:not(.studio-login) .auth-title {
    margin-bottom: 26px;
}

.reauth-user {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 18px 0 24px;
    padding: 12px;
    border: 1px solid var(--cs-line);
    border-radius: 10px;
    background: #fafbfc;
    color: var(--cs-ink);
    font-weight: 500;
}

.reauth-user a {
    display: inline-flex;
    color: var(--cs-graphite);
}

.reauth-user a:hover {
    color: var(--cs-ink);
}

/* ---------------- Inputs ---------------- */
.input-field,
.pf-c-form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
select,
textarea {
    border: 1px solid var(--cs-line) !important;
    border-radius: 10px !important;
    color: var(--cs-ink) !important;
    background: #fff !important;
    box-shadow: none !important;
    font-family: inherit;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.input-field::placeholder,
.pf-c-form-control::placeholder,
input::placeholder {
    color: var(--cs-mist) !important;
}

.input-field:hover,
.pf-c-form-control:hover,
input:hover,
select:hover,
textarea:hover {
    border-color: #cfd2da !important;
}

.input-field:focus,
.pf-c-form-control:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--cs-ink) !important;
    outline: none !important;
    box-shadow: 0 0 0 4px rgba(var(--cs-shadow), 0.08) !important;
}

input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--cs-ink);
}

/* ---------------- Primary button (solid ink) ---------------- */
.btn-gradient,
.pf-c-button.pf-m-primary,
input[type="submit"].pf-m-primary {
    border: none !important;
    border-radius: 10px !important;
    color: #fff !important;
    background: var(--cs-ink) !important;
    box-shadow: 0 14px 26px -14px rgba(var(--cs-shadow), 0.6) !important;
    font-family: inherit;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.btn-gradient:hover,
.pf-c-button.pf-m-primary:hover {
    background: var(--cs-dark-secondary, #0d0f15) !important;
    box-shadow: 0 18px 32px -14px rgba(var(--cs-shadow), 0.66) !important;
    transform: translateY(-1px);
}

.btn-gradient:focus-visible,
.pf-c-button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(var(--cs-shadow), 0.28);
    outline-offset: 3px;
}

/* Secondary / default buttons */
.pf-c-button.btn-default,
.pf-c-button:not(.pf-m-primary) {
    border: 1px solid var(--cs-line);
    border-radius: 10px;
    color: var(--cs-ink);
    background: #fff;
}

/* ---------------- SSO / social ---------------- */
.social-login {
    margin-top: 28px;
}

.social-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--cs-mist);
    font-family: var(--cs-mono);
    font-size: 10.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

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

.social-buttons {
    display: grid;
    margin-top: 16px;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.social-button {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid var(--cs-line);
    border-radius: 10px;
    color: var(--cs-ink);
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    transition: transform 150ms ease, border-color 150ms ease;
}

.social-button:hover {
    border-color: var(--cs-ink);
    transform: translateY(-1px);
}

.social-button i {
    color: var(--cs-ink);
}

/* ---------------- Misc ---------------- */
.try-another-way {
    width: 100%;
    margin-top: 8px;
    color: var(--cs-graphite);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    background: none;
    border: none;
    cursor: pointer;
}

.try-another-way:hover {
    color: var(--cs-ink);
}

.auth-info {
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--cs-line);
    color: var(--cs-graphite);
    font-size: 13.5px;
    text-align: center;
}

.auth-info a {
    color: var(--cs-ink);
    font-weight: 600;
    border-bottom: 1px solid var(--cs-ink);
    padding-bottom: 1px;
}

.cs-trust {
    margin: 22px 0 0;
    max-width: 42ch;
    color: var(--cs-mist);
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}

.pf-c-alert,
.select-auth-box-parent,
.pf-c-tile {
    border: 1px solid var(--cs-line);
    border-radius: 10px;
    background: #fff;
}

.select-auth-box-parent:hover {
    border-color: var(--cs-ink);
}

.password-reveal {
    right: 14px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
    .cs-shell {
        display: block;
    }

    .cs-hero {
        display: none;
    }

    .cs-auth {
        min-height: 100vh;
        padding: 40px 20px;
    }

    .auth-logo {
        display: flex;
    }
}

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