/* ──────────────────────────────────────────────────────────────────────────
   Page de connexion admin « fournil » (éditorial, photos, papier farine).
   Chargée partout via `stylesheet_link_tag :app`, d'où le préfixe strict lgf-.
   ────────────────────────────────────────────────────────────────────────── */

.lg-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

@keyframes lg-rise {
  from { opacity: 0; transform: translateY(14px); filter: blur(4px); }
  to   { opacity: 1; transform: none; filter: none; }
}

@keyframes lg-shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-6px); }
  40%, 60% { transform: translateX(6px); }
}

.lg-body--fournil { background: var(--flour-100); color: var(--ink-900); }

.lgf {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(420px, 1fr);
  min-height: 100vh;
}

/* ── Photos ──────────────────────────────────────────────────────────────── */
.lgf-visual {
  position: relative;
  overflow: hidden;
  background: #1d1712;
  isolation: isolate;
}

.lgf-slide {
  position: absolute;
  inset: -2%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: lgf-slide 40s linear infinite;
  animation-delay: calc(var(--i) * 8s);
  will-change: opacity, transform;
}

@keyframes lgf-slide {
  0%   { opacity: 0; transform: scale(1.14) translate3d(1.5%, 1%, 0); }
  4%   { opacity: 1; }
  20%  { opacity: 1; }
  25%  { opacity: 0; transform: scale(1.02) translate3d(-1%, -0.5%, 0); }
  100% { opacity: 0; transform: scale(1.02); }
}

.lgf-slide:first-child { animation-fill-mode: backwards; }

.lgf-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 14, 9, 0.55) 0%, rgba(20, 14, 9, 0) 22%),
    linear-gradient(0deg, rgba(20, 14, 9, 0.85) 0%, rgba(20, 14, 9, 0.25) 38%, rgba(20, 14, 9, 0) 60%),
    radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(20, 14, 9, 0.45) 100%);
  z-index: 1;
}

.lgf .lgf-brand {
  position: absolute;
  top: 2.2rem;
  left: 2.6rem;
  z-index: 2;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--flour-50);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.lgf-captions {
  position: absolute;
  left: 2.6rem;
  right: 2.6rem;
  bottom: 2.4rem;
  z-index: 2;
  color: var(--flour-50);
  min-height: 9.5rem;
}

.lgf-caption {
  position: absolute;
  left: 0;
  bottom: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  opacity: 0;
  animation: lgf-caption 40s var(--ease-out) infinite;
  animation-delay: calc(var(--i) * 8s);
}

@keyframes lgf-caption {
  0%, 2%  { opacity: 0; transform: translateY(16px); }
  6%      { opacity: 1; transform: none; }
  19%     { opacity: 1; transform: none; }
  22%     { opacity: 0; transform: translateY(-10px); }
  100%    { opacity: 0; }
}

.lgf-caption-index {
  font: 600 11px/1 var(--font-sans);
  letter-spacing: 0.22em;
  color: rgba(253, 251, 246, 0.6);
}

.lgf-caption-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.2rem, 3.6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.lgf-caption-line {
  font-size: 0.98rem;
  color: rgba(253, 251, 246, 0.78);
}

.lgf-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  max-width: 340px;
}

.lgf-progress span {
  height: 2px;
  border-radius: 2px;
  background: rgba(253, 251, 246, 0.22);
  overflow: hidden;
}

.lgf-progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--flour-50);
  transform: scaleX(0);
  transform-origin: left;
  animation: lgf-bar 40s linear infinite;
  animation-delay: calc(var(--i) * 8s);
}

@keyframes lgf-bar {
  0%    { transform: scaleX(0); opacity: 1; }
  20%   { transform: scaleX(1); opacity: 1; }
  22%   { transform: scaleX(1); opacity: 0; }
  100%  { transform: scaleX(1); opacity: 0; }
}

/* ── Feuille ─────────────────────────────────────────────────────────────── */
.lgf-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.2rem clamp(2rem, 5vw, 5rem);
  background-color: var(--flour-50);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .36 0 0 0 0 .24 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(120% 70% at 100% 0%, var(--ember-100) 0%, transparent 55%),
    radial-gradient(90% 60% at 0% 100%, var(--sage-100) 0%, transparent 60%);
  box-shadow: -30px 0 60px -30px rgba(43, 38, 32, 0.35);
  z-index: 1;
}

.lgf-rise {
  opacity: 0;
  animation: lg-rise 0.9s var(--ease-out) forwards;
  animation-delay: calc(0.15s + var(--d) * 0.09s);
}

.lgf-top {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.lgf .lgf-mark { display: none; font-size: 1.9rem; line-height: 1; color: var(--ink-900); margin-right: auto; }

.lgf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: 600 11px/1.2 var(--font-sans);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crust-600);
}

.lgf-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 0;
}

.lgf-title {
  margin: 1.1rem 0 0;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 300;
  font-size: clamp(3.2rem, 5.2vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144;
  color: var(--ink-900);
}

.lgf-title span { color: var(--ember-600); }

.lgf-whisper {
  margin: 1rem 0 0;
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--ink-500);
}

.lgf-next {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 0.5rem;
  margin: 1.8rem 0 0;
  padding: 0.5rem 0.9rem 0.5rem 0.75rem;
  border: 1px solid var(--flour-300);
  border-radius: var(--radius-pill);
  background: rgba(254, 252, 248, 0.7);
  font-size: 0.88rem;
  color: var(--ink-700);
}

.lgf-next svg { color: var(--ember-600); }
.lgf-next strong { font-weight: 600; color: var(--ink-900); }

.lgf-form { margin-top: 2.6rem; }

.lgf-label {
  display: block;
  font: 600 11px/1.2 var(--font-sans);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 0.6rem;
}

.lgf-field {
  position: relative;
  border-bottom: 1.5px solid var(--flour-400);
  transition: border-color 0.3s var(--ease-soft);
}

.lgf-field::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1.5px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--ember-600), var(--ember-500), var(--sage-600));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-out);
}

.lgf-field:focus-within::after { transform: scaleX(1); }
.lgf-field.is-error { animation: lg-shake 0.5s both; border-color: var(--danger-600); }

.lgf-field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  padding: 0.7rem 2.6rem 0.8rem 0;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-900);
}

.lgf-field input::placeholder { color: var(--flour-400); letter-spacing: 0.2em; }

.lgf-eye {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: none;
  padding: 0.4rem;
  color: var(--ink-400);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}

.lgf-eye:hover, .lgf-eye.is-on { color: var(--ember-600); }

.lgf-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 2rem;
  padding: 1.05rem 1.4rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  color: var(--flour-50);
  font: 600 1rem/1 var(--font-sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 14px 30px -14px rgba(43, 38, 32, 0.6);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.lgf-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, var(--ember-700), var(--ember-600) 45%, var(--ember-500));
  transform: translateX(-101%);
  transition: transform 0.55s var(--ease-out);
}

.lgf-submit:hover::before, .is-submitting .lgf-submit::before { transform: none; }
.lgf-submit:hover { transform: translateY(-1px); box-shadow: 0 18px 34px -14px rgba(162, 63, 24, 0.6); }
.lgf-submit svg { transition: transform 0.35s var(--ease-out); }
.lgf-submit:hover svg { transform: translateX(4px); }
.lgf-submit:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }

.lgf-alert, .lgf-notice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  font-size: 0.9rem;
}

.lgf-alert { color: var(--danger-700); }
.lgf-notice { color: var(--success-700); }

.lgf-foot {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-400);
}

@media (max-width: 900px) {
  .lgf { grid-template-columns: 1fr; }
  .lgf-visual { display: none; }
  .lgf .lgf-mark { display: inline; }
  .lgf-panel { box-shadow: none; min-height: 100vh; padding: 1.5rem 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .lgf-slide, .lgf-caption, .lgf-progress i { animation: none; }
  .lgf-slide:first-child, .lgf-caption:first-child { opacity: 1; }
  .lgf-rise { animation: none; opacity: 1; }
}