/* Variables (reprises du portfolio) */
:root {
  --orange: #f07020;
  --green: #44ff99;
  --bg: #080808;
  --bg2: #181818;
  --bdr: #2a2a2a;
  --txt: #f0eae2;
  --sub: #c0b0a4;
  --muted: #6a6058;
  --red: #ff5f56;
  --amber: #ffbd2e;
  --mono: "Space Mono", monospace;
  --big: "Bebas Neue", sans-serif;
  --term: "JetBrains Mono", monospace;

  /* Surfaces pilotées par variable → basculent en mode clair */
  --surface: rgba(16, 16, 16, 0.95); /* cartes / messages */
  --surface-hover: rgba(8, 8, 8, 0.95);
  --header-bg: rgba(8, 8, 8, 0.95);
  --input-bg: rgba(255, 255, 255, 0.02);
  --input-bg-focus: rgba(240, 112, 32, 0.04);

  /* Couleur de la constellation (triplet RGB lu par effects.js) */
  --constellation: 240, 112, 32; /* orange en sombre */
}

/* MODE CLAIR — activé par body.light (toggle) */
body.light {
  --green: #0e8f4e;
  --bg: #f4f1ea;
  --bg2: #e9e3d8;
  --bdr: #d8cfc1;
  --txt: #1c1815;
  --sub: #5a5048;
  --muted: #9a8f82;

  --surface: #ffffff;
  --surface-hover: #f0ebe1;
  --header-bg: rgba(244, 241, 234, 0.92);
  --input-bg: rgba(0, 0, 0, 0.03);
  --input-bg-focus: rgba(240, 112, 32, 0.06);

  --constellation: 22, 138, 138; /* teal en clair */
}

/* Constellation plein écran (fond) */
#bg-constellation {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanlines subtiles (signature du portfolio) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.04) 3px,
    rgba(0, 0, 0, 0.04) 4px
  );
  pointer-events: none;
  z-index: 9000;
}
/* En mode clair, les scanlines ressortent mal (quadrillage) → on les masque */
body.light::before {
  display: none;
}

/* HEADER  →  réinterprété en barre de nav du portfolio */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  margin: 0;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border: none;
  border-bottom: 1px solid var(--bdr);
  border-radius: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-logo {
  display: flex;
  align-items: center;
}

.header-logo img {
  width: 70px;
}

.logo-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(240, 112, 32, 0.45);
  border-radius: 50%;
  color: var(--orange);
  font-family: var(--big);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.header-center {
  text-align: center;
  padding: 0 16px;
}
.header-center h1 {
  font-family: var(--big);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
}
.header-subtitle {
  font-family: var(--term);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.4rem;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-direction: column;
}

/* ── Boutons header ── */
#toggle-theme,
.btn-admin {
  background: var(--input-bg);
  border: 1px solid var(--bdr);
  color: var(--sub);
  border-radius: 0;
  padding: 8px 14px;
  cursor: pointer;
  font-family: var(--term);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
}
#toggle-theme {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
#toggle-theme .tt-icon {
  font-size: 0.85rem;
  line-height: 1;
}

#toggle-theme:hover,
.btn-admin:hover {
  background: rgba(240, 112, 32, 0.06);
  border-color: rgba(240, 112, 32, 0.45);
  color: var(--orange);
}

/* LAYOUT */
main {
  padding: 3.5rem 2rem;
  position: relative;
  z-index: 1;
}

.main-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Colonne formulaire */
.form-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.book-illustration {
  width: 120px;
  height: auto;
  border-radius: 50%;
  filter: grayscale(0.2);
  animation: float 4.5s ease-in-out infinite;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Carte formulaire */
.form-card {
  background: var(--surface);
  border: 1px solid var(--bdr);
  border-radius: 0;
  padding: 2rem 2.2rem 2.2rem;
  width: 100%;
  max-width: 480px;
}
.form-card h2 {
  font-family: var(--big);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--bdr);
  margin-bottom: 1.4rem;
}

/* Messages retour */
#messages {
  margin-bottom: 12px;
}
.msg-success {
  color: var(--green);
  font-weight: bold;
  padding: 8px 12px;
  border: 1px solid rgba(68, 255, 153, 0.35);
  background: rgba(68, 255, 153, 0.07);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}
.msg-error {
  color: var(--red);
  font-weight: bold;
  padding: 8px 12px;
  border: 1px solid rgba(255, 95, 86, 0.35);
  background: rgba(255, 95, 86, 0.07);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

/* FORMULAIRE */
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
  gap: 5px;
}
.form-group label {
  font-family: var(--term);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
}

.form-group input,
.form-group textarea {
  background: var(--input-bg);
  border: 1px solid var(--bdr);
  border-radius: 0;
  padding: 10px 14px;
  color: var(--txt);
  font-family: var(--mono);
  font-size: 0.78rem;
  width: 90%;
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--input-bg-focus);
  border-color: rgba(240, 112, 32, 0.55);
  box-shadow:
    0 0 0 1px rgba(240, 112, 32, 0.25),
    0 0 18px rgba(240, 112, 32, 0.08);
}
.form-group textarea {
  min-height: 92px;
  resize: vertical;
}

/* Compteur de caractères */
.char-count {
  text-align: right;
  font-family: var(--term);
  font-size: 0.62rem;
  color: var(--muted);
  margin-bottom: 12px;
  margin-top: -4px;
}
.char-count #charCount {
  color: var(--orange);
}

/* Case RGPD */
.form-card label:not(.form-group label) {
  display: inline-flex;
  gap: 0.5rem;
  font-size: 0.68rem;
  color: var(--sub);
  line-height: 1.6;
}
.form-card input[type="checkbox"] {
  accent-color: var(--orange);
  margin-top: 0.2rem;
}

/* ── Bouton submit ── */
.btn-submit {
  display: block;
  width: 100%;
  background: rgba(240, 112, 32, 0.08);
  border: 1px solid rgba(240, 112, 32, 0.45);
  color: var(--orange);
  border-radius: 0;
  padding: 13px;
  font-family: var(--term);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 14px;
  transition:
    background 0.2s,
    box-shadow 0.2s,
    color 0.2s;
}
.btn-submit:hover {
  background: rgba(240, 112, 32, 0.18);
  box-shadow: 0 0 22px rgba(240, 112, 32, 0.18);
  color: var(--txt);
}

/* COLONNE MESSAGES */
.messages-side {
  width: 100%;
}

.messages-title {
  font-family: var(--term);
  font-size: 0.68rem;
  color: var(--orange);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--bdr);
}

/* Carte message*/
.message-card {
  background: var(--surface);
  border: 1px solid var(--bdr);
  border-radius: 0;
  padding: 16px 20px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  transition: background 0.18s;
}
.message-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.25s ease;
}
.message-card:hover {
  background: var(--surface-hover);
}
.message-card:hover::before {
  transform: scaleY(1);
}

.message-card_header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.message-card_info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.message-card_name {
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--txt);
}
.message-card_email {
  font-family: var(--term);
  font-size: 0.68rem;
  color: var(--sub);
}
.message-card_date {
  font-family: var(--term);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.message-card_separator {
  border: none;
  border-top: 1px dashed var(--bdr);
  margin-bottom: 10px;
}
.message-card_text {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--sub);
}

/* PAGINATION */
.pagi {
  margin-top: 1.5rem;
}
.pagi a {
  color: var(--orange);
  text-decoration: none;
  text-align: center;
  font-family: var(--term);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  font-weight: bold;
}
.pagi a:hover {
  color: var(--txt);
}

/*  RESPONSIVE */

/* TABLETTE : 480px — 960px */
@media (min-width: 480px) and (max-width: 959px) {
  .form-group {
    flex-direction: row;
    align-items: center;
  }
  .form-group label {
    width: 110px;
    min-width: 110px;
    text-align: right;
    padding-right: 12px;
  }
  .form-group.form-group--textarea {
    align-items: flex-start;
  }
  .form-group.form-group--textarea label {
    padding-top: 10px;
  }
}

/* DESKTOP > 960px */
@media (min-width: 960px) {
  .main-wrapper {
    flex-direction: row;
    align-items: flex-start;
  }
  .form-side {
    width: 380px;
    min-width: 340px;
    flex-shrink: 0;
  }
  .book-illustration {
    width: 150px;
  }
  .form-card {
    max-width: 100%;
  }
  .messages-side {
    margin-left: 40px;
  }

  .form-group {
    flex-direction: row;
    align-items: center;
  }
  .form-group label {
    width: 100px;
    min-width: 100px;
    text-align: right;
    padding-right: 12px;
  }
  .form-group.form-group--textarea {
    align-items: flex-start;
  }
  .form-group.form-group--textarea label {
    padding-top: 10px;
  }
}

/* HEADER RESPONSIVE */
@media (max-width: 600px) {
  main {
    padding: 2.5rem 1.2rem;
  }
  .site-header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 16px;
  }
  .header-center h1 {
    font-size: 1.6rem;
  }
  .btn-admin {
    display: none;
  }
  /* Bouton thème visible en mobile, mais emoji seul (texte masqué) */
  #toggle-theme .tt-label {
    display: none;
  }
  #toggle-theme {
    padding: 8px 12px;
  }
}

/* Accessibilité : réduit les animations si demandé */
@media (prefers-reduced-motion: reduce) {
  .book-illustration,
  .message-card::before {
    animation: none;
    transition: none;
  }
}