/* ══════════════════════════════════════════════════════════
   Revue Hyper — Feuille de style
   Thème : radio amateur / hyperfréquences
   ══════════════════════════════════════════════════════════ */

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Variables ───────────────────────────────────────────── */
:root {
  --navy:      #0b1e3d;   /* fond header / footer */
  --navy-mid:  #0f2a52;   /* gradient header */
  --cyan:      #00c8e8;   /* accent principal */
  --cyan-dim:  #0097b5;
  --amber:     #f59e0b;   /* feed horn / accent chaud */
  --amber-dim: #d4860a;
  --bg:        #eef2f8;   /* fond page */
  --surface:   #ffffff;
  --border:    #c8d4e8;
  --text:      #1a2740;
  --muted:     #5a6e8f;
  --radius:    7px;
  --shadow:    0 2px 8px rgba(11,30,61,.10);
}

/* ── Base ────────────────────────────────────────────────── */
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  /* grille de points subtile, style "papier millimétré technique" */
  background-image:
    radial-gradient(circle, #b8c8e0 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ══════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════ */
header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #0d3566 100%);
  color: #fff;
  padding: 0;
  box-shadow: 0 3px 14px rgba(0,0,0,.40);
  position: relative;
  overflow: hidden;
}

/* Quadrillage décoratif en fond du header */
header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,232,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,232,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.header-inner {
  position: relative;
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.4rem 2rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ── Logo + titre ─────────────────────────────────────────── */
.header-brand {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

/* Conteneur de l'icône antenne + ondes */
.logo-icon {
  position: relative;
  width: 70px;
  height: 70px;
  flex-shrink: 0;
}
.logo-icon svg {
  width: 70px;
  height: 70px;
  filter: drop-shadow(0 0 6px rgba(0,200,232,.5));
}

/* Anneaux d'ondes radio animés */
.wave {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  opacity: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.3);
  animation: radio-wave 3s ease-out infinite;
}
.w2 { animation-delay: 1s; }
.w3 { animation-delay: 2s; }

@keyframes radio-wave {
  0%   { opacity: .7; transform: translate(-50%, -50%) scale(.3); }
  100% { opacity: 0;  transform: translate(-50%, -50%) scale(2.4); }
}

/* Texte du titre */
.header-text h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: .03em;
  line-height: 1.1;
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.header-text h1 .accent {
  color: var(--cyan);
}
.header-text .subtitle {
  color: #a8c4df;
  font-size: .85rem;
  margin-top: .3rem;
  letter-spacing: .02em;
}

/* ── Badges fréquences ────────────────────────────────────── */
.header-right {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  align-items: flex-end;
}

.freq-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .45rem;
  justify-content: flex-end;
}
.freq-badge {
  background: rgba(0,200,232,.12);
  border: 1px solid rgba(0,200,232,.35);
  color: var(--cyan);
  font-size: .72rem;
  font-weight: 700;
  padding: .18rem .55rem;
  border-radius: 20px;
  letter-spacing: .05em;
  font-family: 'Courier New', monospace;
  white-space: nowrap;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
  user-select: none;
}
.freq-badge:hover {
  background: rgba(0,200,232,.28);
  border-color: var(--cyan);
  transform: scale(1.08);
}
.freq-badge.active {
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,200,232,.5);
}

/* Badges mots-clés (lignes 2 & 3) — teinte ambre */
.kw-badge {
  background: rgba(245,158,11,.10);
  border-color: rgba(245,158,11,.35);
  color: #fbbf24;
}
.kw-badge:hover {
  background: rgba(245,158,11,.25);
  border-color: #f59e0b;
}
.kw-badge.active {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
  box-shadow: 0 0 8px rgba(245,158,11,.5);
}

/* ══════════════════════════════════════════════════════════
   MAIN
   ══════════════════════════════════════════════════════════ */
main {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 1.6rem 1.5rem 2.5rem;
}

/* ── Panneau de recherche ─────────────────────────────────── */
.search-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  padding: 1.3rem 1.5rem;
  margin-bottom: 1.4rem;
  box-shadow: var(--shadow);
}

.panel-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy-mid);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.icon-search-title {
  width: 16px; height: 16px;
  color: var(--cyan-dim);
  flex-shrink: 0;
}

.search-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: .9rem 1.2rem;
  align-items: end;
}

/* ── Champs ───────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label {
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

input[type="text"],
select {
  height: 2.45rem;
  padding: 0 .8rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .93rem;
  color: var(--text);
  background: #f7f9fd;
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--cyan);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(0,200,232,.18);
}
input[type="text"]::placeholder { color: #9aaccb; }

/* ── Boutons ──────────────────────────────────────────────── */
.actions { flex-direction: row; gap: .6rem; align-items: flex-end; }

button {
  height: 2.45rem;
  padding: 0 1.2rem;
  border: none;
  border-radius: var(--radius);
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  letter-spacing: .02em;
}
button:active { transform: scale(.96); }

#btn-search {
  background: linear-gradient(135deg, #0097b5, var(--cyan));
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,200,232,.30);
}
#btn-search:hover {
  background: linear-gradient(135deg, #007a99, #00b0cc);
  box-shadow: 0 4px 14px rgba(0,200,232,.40);
}

button.secondary { background: #dce6f4; color: var(--text); }
button.secondary:hover { background: #c8d6ee; }

/* ══════════════════════════════════════════════════════════
   RÉSULTATS
   ══════════════════════════════════════════════════════════ */
.results-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow);
}

/* Barre de statut */
.status {
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: .7rem;
  min-height: 1.2em;
  font-variant-numeric: tabular-nums;
}

/* ── Tableau ──────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead tr {
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: #fff;
}
thead th {
  padding: .7rem .85rem;
  text-align: left;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: .03em;
  font-size: .8rem;
  text-transform: uppercase;
}

/* Ligne de séparation en dessous du header */
thead tr::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--cyan);
}

tbody tr {
  border-bottom: 1px solid #e4ecf6;
  transition: background .1s;
}
tbody tr:nth-child(even) { background: #f6f9fd; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #e4f4fb; }

tbody td {
  padding: .6rem .85rem;
  vertical-align: top;
  line-height: 1.45;
}

/* Largeurs colonnes */
.col-rubrique { width: 17%; }
.col-titre    { width: 36%; }
.col-auteur   { width: 8%;  white-space: nowrap; font-family: 'Courier New', monospace; font-weight: 700; color: var(--navy-mid); }
.col-date     { width: 9%;  white-space: nowrap; color: var(--muted); font-size: .83rem; }
.col-bulletin { width: 8%;  text-align: center; white-space: nowrap; }
.col-dl       { width: 9%;  text-align: center; }

/* Tag rubrique */
.tag-rubrique {
  display: inline-block;
  background: #e8f0fb;
  color: var(--navy-mid);
  border-radius: 4px;
  padding: .1rem .45rem;
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.5;
}

/* Badge N° bulletin */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--cyan);
  border-radius: 14px;
  padding: .12rem .6rem;
  font-size: .76rem;
  font-weight: 800;
  font-family: 'Courier New', monospace;
  letter-spacing: .04em;
  border: 1px solid rgba(0,200,232,.25);
}

/* Bouton de téléchargement */
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: linear-gradient(135deg, #d4730a, var(--amber));
  color: #fff;
  border-radius: var(--radius);
  padding: .28rem .65rem;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .15s, box-shadow .15s;
  box-shadow: 0 2px 6px rgba(245,158,11,.25);
  white-space: nowrap;
}
.dl-btn:hover {
  background: linear-gradient(135deg, #b8620a, #e89209);
  box-shadow: 0 4px 10px rgba(245,158,11,.35);
}
.dl-btn svg { flex-shrink: 0; }

/* Bulletin non disponible */
.dl-unavailable {
  color: #b0bcd0;
  font-size: .85rem;
  display: block;
  text-align: center;
}

/* Mise en évidence des termes recherchés */
mark {
  background: linear-gradient(120deg, #fff176 0%, #ffe234 100%);
  border-radius: 2px;
  padding: 0 2px;
  color: #1a2740;
}

/* ── Aucun résultat ───────────────────────────────────────── */
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .8rem;
  padding: 3rem;
  color: var(--muted);
  font-size: .95rem;
}
.no-results svg { opacity: .35; }
.hidden { display: none; }

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
footer {
  background: var(--navy);
  color: #7090b8;
  padding: .9rem 1.5rem;
  font-size: .8rem;
  border-top: 2px solid rgba(0,200,232,.25);
}
.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  gap: .6rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-sep { color: var(--cyan); opacity: .4; font-weight: 700; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .header-right { display: none; }
}
@media (max-width: 700px) {
  .col-rubrique, .col-date { display: none; }
  .search-grid { grid-template-columns: 1fr 1fr; }
  .header-text h1 { font-size: 1.5rem; }
  .logo-icon { width: 52px; height: 52px; }
  .logo-icon svg { width: 52px; height: 52px; }
}
@media (max-width: 440px) {
  .search-grid { grid-template-columns: 1fr; }
}