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

/* LOGIN */
#login-screen {
  min-height: 100vh;
  background: #0f1117;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #1a1d27;
  border: 1px solid #2e3250;
  border-radius: 16px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-icon { font-size: 40px; margin-bottom: 12px; }
.login-card h2 { font-size: 20px; font-weight: 700; color: #e2e8f0; margin-bottom: 6px; }
.login-card > p { font-size: 13px; color: #94a3b8; margin-bottom: 20px; }

.login-card input {
  display: block;
  width: 100%;
  background: #22263a;
  border: 1px solid #2e3250;
  color: #e2e8f0;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 10px;
  outline: none;
}
.login-card input:focus { border-color: #4f8ef7; }

.login-actions { display: flex; gap: 10px; margin-top: 6px; }
.login-actions button { flex: 1; }

/* HEADER USER */
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.header-user { display: flex; align-items: center; gap: 10px; }
#user-email-label { font-size: 12px; color: #94a3b8; }

.btn-logout {
  background: none;
  border: 1px solid #2e3250;
  color: #94a3b8;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}
.btn-logout:hover { border-color: #ef4444; color: #ef4444; }

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: #2e3250;
  --accent: #4f8ef7;
  --accent2: #7c3aed;
  --green: #22c55e;
  --yellow: #f59e0b;
  --red: #ef4444;
  --orange: #f97316;
  --cyan: #06b6d4;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --elec: #f59e0b;
  --pellets: #a16207;
  --mazout: #64748b;
  --eau: #06b6d4;
  --voiture: #4f8ef7;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

header {
  padding: 20px 0 0;
  margin-bottom: 24px;
}

header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

nav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text2);
  padding: 10px 18px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}

.nav-btn:hover { color: var(--text); }
.nav-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page { display: none; }
.page.active { display: block; }

/* LIVE STATS */
.live-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.live-stat {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 200px;
}

.live-stat-icon { font-size: 26px; }

.live-stat-body { flex: 1; }
.live-stat-label { font-size: 11px; color: var(--text2); margin-bottom: 2px; text-transform: uppercase; letter-spacing: .05em; }
.live-stat-value { font-size: 20px; font-weight: 700; }
.live-stat-sub { font-size: 11px; color: var(--text2); margin-top: 2px; }

.live-stat-elec  { border-left: 3px solid var(--elec); }
.live-stat-mazout { border-left: 3px solid var(--mazout); }
.live-stat-borne  { border-left: 3px solid #a78bfa; }

/* YEAR SELECTOR */
.year-selector {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.year-selector button {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

.year-selector button:hover { background: var(--border); }

#current-year-label {
  font-size: 20px;
  font-weight: 700;
  min-width: 60px;
  text-align: center;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.card .card-icon { font-size: 22px; margin-bottom: 6px; }
.card .card-label { color: var(--text2); font-size: 12px; margin-bottom: 4px; }
.card .card-value { font-size: 22px; font-weight: 700; }
.card .card-sub { color: var(--text2); font-size: 11px; margin-top: 4px; }
.card.card-total { border-color: var(--accent); }
.card.card-total .card-value { color: var(--accent); }

/* CHARTS */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-box-wide {
  grid-column: 1 / -1;
}

.chart-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.chart-box h3 {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 14px;
  font-weight: 600;
}

.chart-box canvas {
  max-height: 220px;
}

@media (max-width: 700px) {
  .charts-grid { grid-template-columns: 1fr; }
}

/* FORM */
.form-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.form-tab {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}

.form-tab:hover { color: var(--text); border-color: var(--accent); }
.form-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.entry-form {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  max-width: 560px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  color: var(--text2);
  font-size: 12px;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 7px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group input[readonly] {
  opacity: 0.6;
  cursor: default;
}

.cat-fields.hidden { display: none; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: opacity .15s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  transition: border-color .15s;
}

.btn-secondary:hover { border-color: var(--accent); }

.btn-danger {
  background: var(--red);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.btn-danger:hover { opacity: 0.85; }

#form-message {
  margin-top: 12px;
  font-size: 13px;
  min-height: 18px;
}

.msg-ok { color: var(--green); }
.msg-err { color: var(--red); }

/* HISTORIQUE */
.historique-header { margin-bottom: 14px; }

.filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-row select,
.filter-row input {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 7px;
  font-size: 13px;
  outline: none;
}

.filter-row input { flex: 1; min-width: 160px; }

#historique-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}

#historique-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg2);
}

#historique-table th {
  background: var(--bg3);
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  color: var(--text2);
  font-weight: 600;
  white-space: nowrap;
}

#historique-table td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}

#historique-table tr:hover td { background: var(--bg3); }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
}

.badge-electricite { background: #78350f; color: var(--yellow); }
.badge-pellets     { background: #3d1a00; color: #d97706; }
.badge-mazout      { background: #1e293b; color: #94a3b8; }
.badge-eau         { background: #164e63; color: var(--cyan); }
.badge-voiture     { background: #1e3a5f; color: var(--accent); }

.action-btns { display: flex; gap: 6px; }

.btn-edit, .btn-del {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
}

.btn-edit:hover { border-color: var(--accent); color: var(--accent); }
.btn-del:hover  { border-color: var(--red); color: var(--red); }

.empty-state {
  text-align: center;
  color: var(--text2);
  padding: 40px;
  font-size: 15px;
}

/* EXPORT */
.export-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.export-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.export-card h3 { font-size: 15px; }
.export-card p { color: var(--text2); font-size: 13px; flex: 1; }
.danger-card { border-color: #7f1d1d; }

.storage-info { color: var(--text2); font-size: 12px; text-align: center; margin-top: 8px; }

.settings-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.settings-box h3 { font-size: 15px; margin-bottom: 14px; }
.settings-row label { color: var(--text2); font-size: 12px; font-weight: 500; display: block; margin-bottom: 8px; }
.settings-input-row { display: flex; gap: 10px; align-items: center; }
.settings-input-row input { width: 140px; background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 9px 12px; border-radius: 7px; font-size: 14px; outline: none; }
.settings-input-row input:focus { border-color: var(--accent); }
.settings-note { color: var(--text2); font-size: 12px; margin-top: 8px; }

.hidden { display: none !important; }

/* ── MOBILE (iPhone) ──────────────────────────────────────────────────────── */
@media (max-width: 600px) {

  /* App padding */
  .app { padding: 0 10px 60px; }

  /* Header */
  header { padding: 14px 0 0; margin-bottom: 16px; }
  .header-top { flex-direction: column; align-items: flex-start; gap: 8px; }
  header h1 { font-size: 18px; }
  .header-user { width: 100%; justify-content: space-between; }
  #user-email-label { font-size: 11px; }

  /* Nav */
  nav { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 1px; }
  nav::-webkit-scrollbar { display: none; }
  .nav-btn { padding: 10px 14px; font-size: 13px; white-space: nowrap; flex-shrink: 0; }

  /* Year selector */
  .year-selector { margin-bottom: 14px; }
  .year-selector button { width: 38px; height: 38px; font-size: 18px; }
  #current-year-label { font-size: 22px; }

  /* Cards */
  .cards { grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
  .card { padding: 12px; }
  .card .card-icon { font-size: 18px; }
  .card .card-value { font-size: 18px; }
  .card .card-sub { font-size: 10px; }

  /* Charts - une colonne */
  .charts-grid { grid-template-columns: 1fr; gap: 12px; }
  .chart-box-wide { grid-column: 1; }
  .chart-box canvas { max-height: 200px; }

  /* Form tabs - scroll horizontal */
  .form-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-bottom: 4px;
    margin-bottom: 16px;
  }
  .form-tabs::-webkit-scrollbar { display: none; }
  .form-tab {
    flex-shrink: 0;
    padding: 9px 14px;
    font-size: 13px;
  }

  /* Entry form - plein écran */
  .entry-form {
    max-width: 100%;
    padding: 16px;
    border-radius: 10px;
  }

  /* Inputs plus grands pour les doigts */
  .form-group { margin-bottom: 16px; }
  .form-group label { font-size: 13px; margin-bottom: 6px; }
  .form-group input,
  .form-group select {
    padding: 13px 14px;
    font-size: 16px; /* évite le zoom auto sur iOS */
    border-radius: 9px;
    height: 50px;
    -webkit-appearance: none;
    appearance: none;
  }
  /* Date : forcer la même taille que les autres */
  .form-group input[type="date"],
  .form-group input[type="month"] {
    height: 50px;
    padding: 0 14px;
    line-height: 50px;
    -webkit-appearance: none;
    appearance: none;
  }

  /* Boutons */
  .form-actions { flex-direction: column; gap: 10px; }
  .btn-primary, .btn-secondary {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    text-align: center;
  }

  /* Historique — carte par entrée sur mobile */
  #historique-table-wrap { border: none; border-radius: 0; }
  #historique-table thead { display: none; }
  #historique-table,
  #historique-table tbody { display: block; width: 100%; }
  #historique-table tr {
    display: block;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 6px;
  }
  #historique-table tr:hover td { background: transparent; }
  #historique-table td {
    display: block;
    border: none;
    padding: 1px 0;
    font-size: 12px;
  }
  #historique-table td:nth-child(1) { color: var(--text2); font-size: 11px; }
  #historique-table td:nth-child(2) { margin-bottom: 2px; }
  /* Coût + actions sur une même ligne */
  #historique-table td:nth-child(4),
  #historique-table td:nth-child(6) {
    display: inline-block;
    vertical-align: middle;
    margin-top: 4px;
  }
  #historique-table td:nth-child(4) { font-size: 13px; font-weight: 600; flex: 1; margin-right: auto; }
  #historique-table td:nth-child(5) { display: none; }
  #historique-table td:nth-child(6) { margin-left: auto; }
  /* Ligne coût+actions en flex */
  #historique-table tr { position: relative; }
  #historique-table td:nth-child(4) { display: inline; }
  #historique-table td:nth-child(6) { float: right; margin-top: 2px; }
  .action-btns { gap: 4px; }
  .badge { font-size: 10px; padding: 2px 6px; }
  .btn-edit, .btn-del { padding: 3px 8px; font-size: 13px; border-radius: 5px; }

  /* Filtres historique */
  .filter-row { flex-direction: column; }
  .filter-row select,
  .filter-row input { width: 100%; font-size: 15px; padding: 11px 12px; }

  /* Paramètres */
  .export-grid { grid-template-columns: 1fr; }
  .settings-input-row input { width: 100%; font-size: 15px; padding: 13px; }
  .settings-input-row { flex-direction: column; align-items: stretch; }

  /* Login */
  .login-card { padding: 28px 20px; }
  .login-card input { padding: 14px; font-size: 16px; }
  .login-actions { flex-direction: column; }

  /* Boutons action historique */
  .btn-edit, .btn-del { padding: 7px 12px; font-size: 13px; }
}