:root {
    --c-encre: #0b1620;
    --c-papier: #fafaf7;
    --c-papier-warm: #e8ddc8;
    --c-vert-foret: #2f5d50;
    --c-vert-sauge: #6f8f7a;
    --c-or: #e4c079;
    --c-graphite: #2e3031;
    --bg-soft: #131a21;
    --bg-raised: #19222b;
    --page: var(--c-papier);
    --panel: color-mix(in srgb, var(--c-papier) 88%, transparent);
    --panel-strong: color-mix(in srgb, var(--c-papier) 96%, transparent);
    --text: var(--c-encre);
    --muted: color-mix(in srgb, var(--c-encre) 64%, transparent);
    --subtle: color-mix(in srgb, var(--c-encre) 59%, transparent);
    --line: color-mix(in srgb, var(--c-encre) 12%, transparent);
    --line-strong: color-mix(in srgb, var(--c-encre) 22%, transparent);
    --primary: var(--c-vert-foret);
    --primary-soft: color-mix(in srgb, var(--c-vert-foret) 10%, transparent);
    --focus: var(--c-vert-foret);
    --shadow: color-mix(in srgb, var(--c-encre) 13%, transparent);
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-display: "Space Grotesk", var(--font-body);
    --control-min: 2.75rem;
    --ease: cubic-bezier(.22, 1, .36, 1);
}

:root[data-theme="sombre"] {
    color-scheme: dark;
    --page: var(--c-encre);
    --panel: color-mix(in srgb, var(--bg-soft) 88%, transparent);
    --panel-strong: color-mix(in srgb, var(--bg-raised) 94%, transparent);
    --text: var(--c-papier);
    --muted: color-mix(in srgb, var(--c-papier-warm) 70%, transparent);
    --subtle: color-mix(in srgb, var(--c-papier-warm) 58%, transparent);
    --line: color-mix(in srgb, var(--c-papier-warm) 13%, transparent);
    --line-strong: color-mix(in srgb, var(--c-papier-warm) 24%, transparent);
    --primary: var(--c-vert-sauge);
    --primary-soft: color-mix(in srgb, var(--c-vert-sauge) 15%, transparent);
    --focus: var(--c-or);
    --shadow: color-mix(in srgb, #0b1620 46%, transparent);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--page); }
body { margin: 0; color: var(--text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
a, button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.sr-only { width: 1px; height: 1px; position: absolute; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.portal-auth-page { min-height: 100vh; display: grid; place-items: center; padding: clamp(1rem, 4vw, 3.5rem); background: var(--page); }
.portal-auth-shell { width: min(64rem, 100%); min-height: min(42rem, calc(100vh - 2rem)); display: grid; grid-template-columns: minmax(17rem, .82fr) minmax(22rem, 1.18fr); border-radius: 2px; background: var(--panel); box-shadow: 0 1.6rem 4rem var(--shadow); overflow: hidden; }

.portal-auth-brand { min-height: 100%; position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(1.6rem, 4vw, 3.25rem); background: var(--c-encre); color: var(--c-papier); }
.portal-auth-brand::after { content: ""; width: 5rem; height: 2px; position: absolute; top: 0; left: 0; background: var(--c-or); }
.portal-auth-lockup { min-height: var(--control-min); display: inline-flex; align-items: center; gap: .85rem; color: inherit; text-decoration: none; }
.portal-auth-symbol { width: 3.15rem; height: 2.35rem; position: relative; display: grid; place-items: center; color: var(--c-papier-warm); }
.portal-auth-symbol svg { position: absolute; inset: 0; width: 100%; height: 100%; fill: var(--c-vert-sauge); }
.portal-auth-symbol span { position: relative; z-index: 1; font: 700 .63rem/1 ui-monospace, monospace; letter-spacing: .08em; }
.portal-auth-brand-copy strong, .portal-auth-brand-copy small { display: block; }
.portal-auth-brand-copy strong { font: 600 .85rem/1 var(--font-display); letter-spacing: .22em; }
.portal-auth-brand-copy small { margin-top: .42rem; color: color-mix(in srgb, var(--c-papier-warm) 58%, transparent); font-size: .58rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.portal-auth-promise { max-width: 22rem; }
.portal-auth-kicker { margin: 0 0 .8rem; color: var(--c-or); font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.portal-auth-promise h2 { margin: 0; font: 500 clamp(2.25rem, 5vw, 4.4rem)/.92 var(--font-display); letter-spacing: -.065em; }
.portal-auth-promise p { margin: 1.2rem 0 0; color: color-mix(in srgb, var(--c-papier-warm) 76%, transparent); font-size: .92rem; line-height: 1.65; }
.portal-auth-trust { display: flex; align-items: center; gap: .55rem; margin: 2rem 0 0; color: color-mix(in srgb, var(--c-papier-warm) 62%, transparent); font-size: .68rem; }
.portal-auth-trust i { width: .45rem; height: .45rem; border-radius: 50%; background: var(--c-vert-sauge); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-vert-sauge) 16%, transparent); }

.portal-auth-main { display: grid; place-items: center; padding: clamp(1.5rem, 5vw, 4.5rem); background: var(--panel); -webkit-backdrop-filter: blur(1.8rem) saturate(112%); backdrop-filter: blur(1.8rem) saturate(112%); }
.portal-auth-card { width: min(25rem, 100%); }
.portal-auth-card h1 { margin: 0; font: 500 clamp(2rem, 4vw, 3.25rem)/1 var(--font-display); letter-spacing: -.055em; }
.portal-auth-subtitle { margin: .8rem 0 1.8rem; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.portal-auth-dev { display: inline-flex; align-items: center; min-height: 1.8rem; margin-bottom: 1rem; padding: 0 .55rem; border-top: 1px solid var(--c-or); background: var(--c-encre); color: var(--c-papier-warm); font-size: .64rem; font-weight: 700; letter-spacing: .08em; }
.portal-auth-dev-email { margin: .7rem 0 0; color: var(--subtle); font-size: .72rem; text-align: center; }

.portal-auth-provider, .portal-auth-primary { width: 100%; min-height: var(--control-min); display: inline-flex; align-items: center; justify-content: center; gap: .7rem; padding: 0 1rem; border: 0; border-radius: 2px; font-size: .84rem; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .2s var(--ease), background .2s ease, color .2s ease, box-shadow .2s ease; }
.portal-auth-provider { border: 1px solid var(--line-strong); background: var(--panel-strong); color: var(--text); }
.portal-auth-provider:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); }
.portal-auth-provider svg { width: 1.15rem; height: 1.15rem; flex: 0 0 auto; fill: currentColor; }
.portal-auth-primary { background: var(--primary); color: var(--c-papier); box-shadow: 0 .65rem 1.6rem color-mix(in srgb, var(--primary) 20%, transparent); }
:root[data-theme="sombre"] .portal-auth-primary { color: var(--c-encre); }
.portal-auth-primary:hover { background: var(--c-encre); color: var(--c-papier); transform: translateY(-1px); }
:root[data-theme="sombre"] .portal-auth-primary:hover { background: var(--c-papier-warm); color: var(--c-encre); }

.portal-auth-divider { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .75rem; margin: 1.35rem 0; color: var(--subtle); font-size: .7rem; }
.portal-auth-divider::before, .portal-auth-divider::after { content: ""; height: 1px; background: var(--line); }
.portal-auth-form { display: grid; gap: .95rem; }
.portal-auth-field { display: grid; gap: .38rem; }
.portal-auth-field label { color: var(--muted); font-size: .72rem; font-weight: 700; }
.portal-auth-field input { width: 100%; min-height: var(--control-min); padding: 0 .85rem; border: 1px solid var(--line-strong); border-radius: 2px; background: var(--panel-strong); color: var(--text); font-size: .86rem; }
.portal-auth-field input:hover { border-color: var(--primary); }
.portal-auth-field input:focus { border-color: var(--primary); outline: 2px solid var(--focus); outline-offset: 2px; }
.portal-auth-field input::placeholder { color: var(--subtle); }
.portal-password-wrap { position: relative; }
.portal-password-wrap input { padding-right: 3.15rem; }
.portal-password-toggle { width: var(--control-min); height: var(--control-min); position: absolute; top: 0; right: 0; display: grid; place-items: center; padding: 0; border: 0; border-radius: 2px; background: transparent; color: var(--muted); cursor: pointer; }
.portal-password-toggle:hover { color: var(--primary); }
.portal-password-toggle svg { width: 1.1rem; height: 1.1rem; }
.portal-auth-hint { margin: -.35rem 0 0; color: var(--subtle); font-size: .69rem; }
.portal-auth-link { min-height: var(--control-min); display: inline-flex; align-items: center; justify-content: center; margin-top: .65rem; color: var(--primary); font-size: .74rem; font-weight: 700; text-align: center; text-decoration: none; }
.portal-auth-link:hover { color: var(--text); }

.portal-auth-message { margin: 0 0 1rem; padding: .8rem .9rem; border-left: 2px solid var(--primary); background: var(--primary-soft); color: var(--text); font-size: .78rem; line-height: 1.5; }
.portal-auth-message--error { border-left-color: var(--c-or); background: color-mix(in srgb, var(--c-papier-warm) 35%, var(--panel)); }
.portal-auth-denied-icon { width: 3.5rem; height: 3.5rem; display: grid; place-items: center; margin-bottom: 1.2rem; border-radius: 50%; background: var(--c-encre); color: var(--c-or); }
.portal-auth-denied-icon svg { width: 1.7rem; height: 1.7rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 760px) {
    .portal-auth-page { display: block; padding: 0; }
    .portal-auth-shell { min-height: 100vh; grid-template-columns: 1fr; }
    .portal-auth-brand { min-height: 11rem; padding: 1.35rem; }
    .portal-auth-promise h2 { margin-top: 2.4rem; font-size: 2.1rem; }
    .portal-auth-promise p, .portal-auth-trust { display: none; }
    .portal-auth-main { align-items: start; padding: 2rem 1.25rem 3rem; }
}

@media (min-width: 761px) and (max-height: 780px) {
    .portal-auth-page { padding: 1rem; }
    .portal-auth-shell { min-height: calc(100vh - 2rem); }
    .portal-auth-brand { padding-block: 2rem; }
    .portal-auth-main { padding-block: 2rem; }
    .portal-auth-subtitle { margin-bottom: 1.25rem; }
    .portal-auth-divider { margin-block: 1rem; }
}

@media (prefers-reduced-transparency: reduce) {
    .portal-auth-main { background: var(--page); -webkit-backdrop-filter: none; backdrop-filter: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}