/* =========================
   Base & reset
   ========================= */
* {
  box-sizing: border-box;
}

body {
  font-family: "Arial", "Helvetica", sans-serif;
  background-color: #101820;
  background-image: url("../images/background.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #e5f9ff;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-color: rgba(16, 24, 32, 0.4);
  z-index: -1; /* voile léger derrière le contenu */
  pointer-events: none;
}

h1,
h2,
h3,
a {
  font-family: "Orbitron", sans-serif;
}

.margin_body_sauf_headerfooter {
  margin: 15px;
}

.center {
  display: flex;
  justify-content: left;
  align-items: left;
  height: 100vh;
  text-align: center;
}

/* =========================
   Titres & textes
   ========================= */
h2,
.Administrationh3 {
  color: #e5f9ff;
  text-shadow: 0 0 10px #00f0ff;
  margin: 0.5rem 0;
}

h2 {
  font-size: 3rem;
  padding-bottom: 25px;
}

.Administrationh3 {
  font-size: 2.5rem;
  text-shadow: 0 0 10px #00eeffad;
}

p,
.infos {
  font-size: 1.5rem;
  color: #e5f9ff;
  text-shadow: 0 0 10px #1e90ff;
  margin: 0.5rem 0;
}

.infos {
  color: #1e90ff;
  text-shadow: 0 0 4px #5affff;
  font-weight: normal;
  margin-right: 20px;
}

/* =========================
   Header & navigation
   ========================= */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 2px solid #1f2f45;
  box-shadow: 0 0 20px #00f0ff;
  background-color: rgba(31, 47, 69, 0.9);
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  margin-bottom: 100px;
  text-align: center;
}

header h1 {
  font-size: 3.5rem;
  text-shadow: 0 0 12px #00f0ff;
  margin: 0.5rem 0;
}

header p {
  font-size: 1.5rem;
  text-shadow: 0 0 10px #00f0ff;
  margin: 0.5rem 0;
}

/* Nav : 2 lignes, le bouton prend la 1re */
header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  justify-content: center;
  align-items: center;
  width: 50%;
}

header nav a {
  color: #00c0d6;
  text-decoration: none;
  font-size: 1.5rem;
  text-shadow: 0 0 8px #5affff;
}

header nav a:hover {
  text-decoration: underline;
  color: #00f0ff;
}

/* Bouton "to esiah.dev" — pastille claire, au-dessus des autres */
header nav a.btn-home {
  order: -1; /* passe en premier */
  flex: 0 0 100%; /* occupe la 1re ligne */
  max-width: 420px; /* limite visuelle */
  text-align: center;
  margin: 0 0 6px 0;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  background: #e5f9ff; /* même blanc que le thème */
  color: #101820 !important; /* contraste */
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid rgba(229, 249, 255, 0.65);
  box-shadow: 0 2px 12px rgba(0, 240, 255, 0.25),
    0 0 0 2px rgba(16, 24, 32, 0.35) inset;

  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: none;
  text-decoration: none !important;
  text-shadow: none;
  line-height: 1;
  transition: transform 0.18s ease, box-shadow 0.22s ease, filter 0.22s ease,
    background 0.22s ease;
}

header nav a.btn-home:hover {
  background: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.35),
    0 0 0 2px rgba(16, 24, 32, 0.25) inset;
  transform: translateY(-2px);
  filter: saturate(1.02);
}

header nav a.btn-home:focus-visible {
  outline: 3px solid #60eaff;
  outline-offset: 2px;
  border-radius: 999px;
}

/* =========================
   Footer
   ========================= */
footer {
  padding: 1.5rem;
  background-color: rgba(31, 47, 69, 0.9);
  box-shadow: 0 0 20px #00f0ff;
  border-radius: 10px;
  margin-top: 50px;
  text-align: center;
  color: #e5f9ff;
  font-size: 1.2rem;
  text-shadow: 0 0 10px #00f0ff;
}

footer p {
  margin: 0.5rem 0;
}

footer a {
  color: #00c0d6;
  text-decoration: none;
  font-weight: bold;
  text-shadow: 0 0 8px #5affff;
}

footer a:hover {
  text-decoration: underline;
  color: #00f0ff;
}

/* =========================
   Bouton retour index (ancienne classe)
   ========================= */
.centrer_retour_index {
  color: #03dede;
  text-decoration: none;
  padding: 10px 15px;
  border: 2px solid #00c0d6;
  border-radius: 8px;
  background-color: rgba(31, 47, 69, 0.9);
  transition: all 0.3s ease;
  font-weight: bold;
  display: flex;
  max-width: 50%;
  width: 100%;
  justify-content: center;
  align-items: center;
  margin: 60px auto;
}

.centrer_retour_index:hover {
  color: #1e1e1e;
  background-color: #00c0d6;
  border-color: #1e1e1e;
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* =========================
   Posts
   ========================= */
.post-preview,
.post-list {
  padding: 1em;
  margin-bottom: 2em;
  background-color: rgba(31, 47, 69, 0.637);
  box-shadow: 0 0 10px #00f0ff;
  border-radius: 10px;
}

.post-preview {
  border-bottom: 1px solid #ccccccc2;
  box-shadow: 0 0 20px #00f0ff;
}

.post-preview:hover,
.post-list:hover {
  color: #1e1e1e;
  background-color: rgba(31, 47, 69, 0.9);
  border-color: #1e1e1e;
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.877);
}

.post-preview h3 a {
  font-size: larger;
  text-decoration: none;
  color: #1e90ff;
  transition: color 0.3s;
}

.post-preview h3 a:hover {
  color: #60c5ff;
}

.post-preview a {
  font-weight: bold;
  text-decoration: underline;
  color: #0077cc;
}

.post-preview a:hover {
  color: #005299;
}

/* =========================
   Formulaires
   ========================= */
input[type="text"],
input[type="password"],
input,
textarea,
button,
select {
  padding: 10px;
  border: 2px solid #00c0d6;
  border-radius: 8px;
  background-color: rgba(31, 47, 69, 0.9);
  color: #e5f9ff;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

input:hover,
button:hover {
  border-color: #1e1e1e;
  background-color: #00c0d6;
  color: #1e1e1e;
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.877);
}

label {
  font-size: 1.5rem;
  color: #e5f9ff;
  text-shadow: 0 0 10px #00f0ff;
}

/* =========================
   Édition (mise en page)
   ========================= */
.editing {
  display: flex;
  flex-direction: row;
  gap: 20px;
  max-width: 90%;
  padding: 20px;
  margin: 0 auto;
}

.left-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.editing input[type="text"],
.editing button {
  width: 80%;
  font-size: 1.2rem;
  padding: 12px;
  border-radius: 8px;
  border: 2px solid #00c0d6;
  background-color: rgba(31, 47, 69, 0.9);
  color: #e5f9ff;
}

.editing button {
  background-color: #00c0d6;
  color: #1e1e1e;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.editing button:hover {
  background-color: #00f0ff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.4);
}

.editing textarea {
  flex: 2;
  resize: vertical;
  min-height: 100%;
  font-size: 1.2rem;
  padding: 12px;
  border-radius: 8px;
  border: 2px solid #00c0d6;
  background-color: rgba(31, 47, 69, 0.9);
  color: #e5f9ff;
}

/* =========================
   Divers
   ========================= */
.success {
  color: green;
  font-weight: bold;
}
.error {
  color: red;
  font-weight: bold;
}

.request-container {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: rgba(31, 47, 69, 0.637);
  box-shadow: 0 0 10px #00f0ff;
  border-radius: 10px;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 1.5rem;
  }

  header nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  header h1 {
    font-size: 2.5rem;
    text-align: center;
  }

  header p {
    font-size: 1.2rem;
  }

  .post-preview,
  .post-list,
  .request-container {
    padding: 0.8em;
  }

  .centrer_retour_index,
  #centrer_retour_index {
    max-width: 80%;
  }

  input[type="text"],
  input[type="password"],
  input,
  textarea,
  button,
  select {
    font-size: 1rem;
  }

  label {
    font-size: 1.2rem;
  }

  h2 {
    font-size: 2.2rem;
  }
  .Administrationh3 {
    font-size: 2rem;
  }

  nav a {
    font-size: 1.2rem;
    margin: 10px;
  }

  /* le bouton passe déjà en 1re ligne grâce à order:-1 ;
     en mobile on garde la largeur auto (ligne dédiée) */
  header nav a.btn-home {
    width: 100%;
    margin: 10px 0 16px 0;
  }
}