:root {
  --bg: #0f0f0e;
  --surface: #f6f3ec;
  --surface-elev: #ffffff;
  --ink: #0a0a0a;
  --ink-soft: #2a2a2a;
  --muted: #8a857a;
  --line: #d9d3c3;
  --line-strong: #1a1a1a;
  --accent: #ff6900;
  --accent-deep: #c44d00;
  --error: #b41e1e;
  --font-display: 'Bricolage Grotesque', -apple-system, system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

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

html, body {
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
  font-optical-sizing: auto;
  min-height: 100vh;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: 0.04; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 105, 0, 0.10), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(196, 77, 0, 0.08), transparent 45%),
    var(--surface);
}

.login-card {
  width: 100%;
  max-width: 460px;
  background: var(--surface-elev);
  padding: 2.4rem 2.2rem 2rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 30px 60px -30px rgba(0,0,0,0.18);
  position: relative;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: 6px 6px 0 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.6rem;
}
.brand-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  position: relative;
  flex-shrink: 0;
}
.brand-mark .square {
  position: absolute;
  top: 4px; left: 4px;
  width: 14px; height: 14px;
  background: var(--surface-elev);
}
.brand-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
}

.title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}
.title em {
  font-style: normal;
  font-weight: 600;
  color: var(--accent-deep);
}

.lead {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.8rem;
}

.field {
  margin-bottom: 1.1rem;
}
.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}
.field input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 120ms, background 120ms, box-shadow 120ms;
}
.field input:focus {
  outline: none;
  background: var(--surface-elev);
  border-color: var(--ink-soft);
  box-shadow: 0 0 0 3px rgba(255, 105, 0, 0.12);
}
.field input:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

/* Wrapper input + bouton oeil */
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-wrap input {
  padding-right: 2.75rem;
}
.toggle-pwd {
  position: absolute;
  right: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--muted);
  border-radius: 4px;
  transition: color 120ms, background 120ms;
}
.toggle-pwd:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
}
.toggle-pwd:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.toggle-pwd .icon-eye-off { display: none; }
.toggle-pwd.shown .icon-eye { display: none; }
.toggle-pwd.shown .icon-eye-off { display: block; }
.toggle-pwd.shown { color: var(--accent-deep); }

.error-box {
  background: rgba(180, 30, 30, 0.07);
  border: 1px solid rgba(180, 30, 30, 0.25);
  color: var(--error);
  padding: 0.7rem 0.9rem;
  border-radius: 4px;
  font-size: 0.87rem;
  margin-bottom: 1rem;
}

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--ink);
  color: var(--surface);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 4px;
  transition: background 120ms, transform 80ms;
  margin-top: 0.4rem;
}
.btn-submit:hover:not(:disabled) {
  background: var(--accent-deep);
}
.btn-submit:active:not(:disabled) {
  transform: translateY(1px);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn-submit .arrow {
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #1f7a1f;
  display: inline-block;
}

@media (max-width: 480px) {
  .login-card { padding: 1.8rem 1.4rem; }
  .title { font-size: 1.7rem; }
}