/*
 * ============================================================
 * PRODAPLAN PREMIUM — iOS 26 Aurora Edition
 * Style Apple natif, zéro backdrop-filter, navigation fluide
 * Boutons, menus, header, KPI, dark mode toggle
 * ============================================================
 */

/* ── VARIABLES ──────────────────────────────────────────────── */
:root {
  --accent:        #007aff;
  --accent-dark:   #0a84ff;
  --success:       #34c759;
  --danger:        #ff3b30;
  --warning:       #ff9f0a;
  --purple:        #af52de;
  --teal:          #5ac8fa;
  --bg:            #f2f2f7;
  --surface:       #ffffff;
  --surface-2:     #f8f8fb;
  --text:          #1c1c1e;
  --text-2:        #6e6e73;
  --border:        rgba(0,0,0,0.08);
  --radius-card:   24px;
  --radius-btn:    14px;
  --radius-pill:   40px;
  --shadow-sm:     0 2px 8px  rgba(0,0,0,0.07);
  --shadow-md:     0 6px 20px rgba(0,0,0,0.09);
  --shadow-accent: 0 6px 20px rgba(0,122,255,0.28);
  --shine-speed:   0.55s;
}

/* ── BASE ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--bg) !important;
  color: var(--text) !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
               "Segoe UI", Helvetica, Arial, sans-serif !important;
  -webkit-font-smoothing: antialiased !important;
}

/* ── HEADER ─────────────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, #007aff 0%, #5856d6 60%, #5ac8fa 100%) !important;
  box-shadow: 0 2px 16px rgba(0,122,255,0.22) !important;
  position: relative;
  overflow: visible !important;
}
/* Reflet statique — zéro animation lourde */
.header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, transparent 100%);
  pointer-events: none;
}
.header h1,
.header h1 span,
.header .user-info {
  color: white !important;
  -webkit-text-fill-color: white !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* ── CARDS ──────────────────────────────────────────────────── */
.card {
  background: var(--surface) !important;
  border-radius: var(--radius-card) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: box-shadow 0.25s ease, transform 0.25s ease !important;
  overflow: visible;
}
.card:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-2px) !important;
}
.card-header {
  background: var(--surface-2) !important;
  border-bottom: 1px solid var(--border) !important;
  border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
  font-weight: 600 !important;
}

/* ── KPI CARDS ──────────────────────────────────────────────── */
.kpi-card {
  background: var(--surface) !important;
  border-radius: var(--radius-card) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: transform 0.22s ease, box-shadow 0.22s ease !important;
  padding: 20px 18px;
}
.kpi-card:hover {
  transform: translateY(-3px) !important;
  border-color: var(--accent) !important;
  box-shadow: 0 8px 24px rgba(0,122,255,0.12) !important;
}
.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #1c1c1e, #3a3a3c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BOUTONS — REFLET LUMINEUX AU HOVER ─────────────────────── */
.btn {
  position: relative !important;
  overflow: hidden !important;
  border-radius: var(--radius-btn) !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  border: none !important;
  transition: box-shadow 0.22s ease, transform 0.18s ease !important;
  letter-spacing: 0.1px;
}
/* Reflet qui glisse — GPU-friendly (transform only) */
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg,
    transparent 35%,
    rgba(255,255,255,0.32) 50%,
    transparent 65%);
  transform: skewX(-15deg);
  transition: left var(--shine-speed) ease;
  pointer-events: none;
}
.btn:hover::after  { left: 130%; }
.btn:hover         { transform: translateY(-2px) !important; }
.btn:active        { transform: scale(0.96) !important; filter: brightness(0.93) !important; }

.btn-primary {
  background: linear-gradient(135deg, #007aff, #0a84ff) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(0,122,255,0.28) !important;
}
.btn-primary:hover  { box-shadow: var(--shadow-accent) !important; color: white !important; }

.btn-success {
  background: linear-gradient(135deg, #34c759, #30b14f) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(52,199,89,0.28) !important;
}
.btn-success:hover  { box-shadow: 0 6px 20px rgba(52,199,89,0.4) !important; color: white !important; }

.btn-danger {
  background: linear-gradient(135deg, #ff3b30, #e0352b) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(255,59,48,0.28) !important;
}
.btn-danger:hover   { box-shadow: 0 6px 20px rgba(255,59,48,0.4) !important; color: white !important; }

.btn-warning {
  background: linear-gradient(135deg, #ff9f0a, #e08c00) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(255,159,10,0.28) !important;
}
.btn-warning:hover  { box-shadow: 0 6px 20px rgba(255,159,10,0.4) !important; color: white !important; }

.btn-secondary {
  background: linear-gradient(135deg, #f2f2f7, #e5e5ea) !important;
  color: #3c3c43 !important;
  box-shadow: var(--shadow-sm) !important;
}
.btn-secondary:hover {
  background: linear-gradient(135deg, #007aff, #5856d6) !important;
  color: white !important;
  box-shadow: var(--shadow-accent) !important;
}

.btn-info {
  background: linear-gradient(135deg, #5ac8fa, #32ade6) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(90,200,250,0.28) !important;
}
.btn-info:hover     { box-shadow: 0 6px 20px rgba(90,200,250,0.4) !important; color: white !important; }

/* ── MENU BAR (tab bar iOS) ─────────────────────────────────── */
.menu-bar {
  display: flex;
  gap: 6px;
  background: var(--surface) !important;
  border-radius: var(--radius-pill) !important;
  padding: 6px 10px !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
  flex-wrap: wrap;
}
.menu-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease !important;
  border: none !important;
  background: transparent;
  color: var(--text-2) !important;
}
.menu-item:hover:not(.active) {
  background: rgba(0,122,255,0.08) !important;
  color: var(--accent) !important;
}
.menu-item.active {
  background: var(--accent) !important;
  color: white !important;
  box-shadow: 0 2px 10px rgba(0,122,255,0.3) !important;
}

/* Nav tabs Bootstrap compatibilité */
.nav-tabs { border: none !important; }
.nav-tabs .nav-link {
  border: none !important;
  border-radius: 10px 10px 0 0 !important;
  font-weight: 500 !important;
  color: var(--text-2) !important;
  transition: all 0.18s ease !important;
}
.nav-tabs .nav-link:hover  { background: rgba(0,122,255,0.08) !important; color: var(--accent) !important; }
.nav-tabs .nav-link.active {
  background: linear-gradient(135deg, #007aff, #5856d6) !important;
  color: white !important;
  box-shadow: 0 4px 12px rgba(0,122,255,0.28) !important;
}

/* ── INPUTS ─────────────────────────────────────────────────── */
input, select, textarea {
  border-radius: 12px !important;
  border: 1.5px solid var(--border) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  transition: border-color 0.18s ease, box-shadow 0.18s ease !important;
  font-family: inherit !important;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12) !important;
  outline: none !important;
}

/* ── TABLES ─────────────────────────────────────────────────── */
table { border-collapse: separate !important; border-spacing: 0 !important; }
thead th {
  background: var(--surface-2) !important;
  color: var(--text-2) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.7px !important;
  padding: 12px 16px !important;
  border-bottom: 1.5px solid var(--border) !important;
}
tbody td {
  padding: 11px 16px !important;
  border-bottom: 1px solid var(--border) !important;
  vertical-align: middle !important;
  transition: background 0.12s ease !important;
}
tbody tr:hover td { background: rgba(0,122,255,0.03) !important; }

/* ── ALERTS ─────────────────────────────────────────────────── */
.alert {
  border-radius: 14px !important;
  border: none !important;
  box-shadow: var(--shadow-sm) !important;
  padding-left: 20px !important;
  position: relative;
}
.alert::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  border-radius: 14px 0 0 14px;
}
.alert-success::before { background: var(--success); }
.alert-danger::before  { background: var(--danger); }
.alert-warning::before { background: var(--warning); }
.alert-info::before    { background: var(--teal); }

/* ── BADGES ─────────────────────────────────────────────────── */
.badge { border-radius: 8px !important; font-weight: 500 !important; padding: 3px 9px !important; }
.bg-primary   { background: linear-gradient(135deg, #007aff, #5856d6) !important; }
.bg-success   { background: linear-gradient(135deg, #34c759, #30b14f) !important; }
.bg-danger    { background: linear-gradient(135deg, #ff3b30, #e0352b) !important; }
.bg-warning   { background: linear-gradient(135deg, #ff9f0a, #e08c00) !important; color: white !important; }
.bg-info      { background: linear-gradient(135deg, #5ac8fa, #32ade6) !important; }
.bg-secondary { background: linear-gradient(135deg, #8e8e93, #636366) !important; }

/* ── DROPDOWN ───────────────────────────────────────────────── */
.dropdown-menu {
  border-radius: 18px !important;
  border: 1px solid var(--border) !important;
  box-shadow: 0 10px 36px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06) !important;
  overflow: hidden !important;
  background: var(--surface) !important;
  padding: 6px !important;
}
.dropdown-menu a {
  color: #1c1c1e !important;
  -webkit-text-fill-color: #1c1c1e !important;
  border-radius: 10px !important;
  padding: 9px 14px !important;
  transition: background 0.15s ease !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  color: #1c1c1e !important;
}
.dropdown-menu a:hover {
  background: rgba(0,122,255,0.08) !important;
  color: var(--accent) !important;
}

/* ── BOUTONS FLOTTANTS ──────────────────────────────────────── */
#scrollTopBtn {
  position: fixed !important;
  bottom: 24px !important;
  left: 24px !important;
  right: auto !important;
  z-index: 9999 !important;
  width: 52px !important;
  height: 52px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, #34c759, #30b14f) !important;
  border: none !important;
  color: white !important;
  font-size: 18px !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 4px 18px rgba(52,199,89,0.45) !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}
#scrollTopBtn:hover {
  transform: translateY(-4px) scale(1.1) !important;
  box-shadow: 0 8px 28px rgba(52,199,89,0.6) !important;
}

#themeToggle {
  position: fixed !important;
  bottom: 24px !important;
  right: 24px !important;
  left: auto !important;
  z-index: 9999 !important;
  width: 52px !important;
  height: 52px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, #007aff, #5856d6) !important;
  border: none !important;
  color: white !important;
  font-size: 18px !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 4px 18px rgba(0,122,255,0.45) !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}
#themeToggle:hover {
  transform: translateY(-4px) scale(1.1) rotate(20deg) !important;
  box-shadow: 0 8px 28px rgba(0,122,255,0.6) !important;
}

/* ── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c7c7cc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #007aff; }

/* ── DARK MODE ──────────────────────────────────────────────── */
body.dark {
  --bg:       #1c1c1e !important;
  --surface:  #2c2c2e !important;
  --surface-2:#3a3a3c !important;
  --text:     #f5f5f7 !important;
  --text-2:   #aeaeb2 !important;
  --border:   rgba(255,255,255,0.1) !important;
  background: #1c1c1e !important;
  color: #f5f5f7 !important;
}
body.dark .card        { background: #2c2c2e !important; border-color: rgba(255,255,255,0.08) !important; }
body.dark .card-header { background: #3a3a3c !important; }
body.dark input, body.dark select, body.dark textarea {
  background: #3a3a3c !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: #f5f5f7 !important;
}
body.dark thead th      { background: #3a3a3c !important; color: #aeaeb2 !important; }
body.dark tbody td      { border-color: rgba(255,255,255,0.06) !important; color: #e5e5ea !important; }
body.dark tbody tr:hover td { background: rgba(255,255,255,0.03) !important; }
body.dark .dropdown-menu { background: #2c2c2e !important; }
body.dark .dropdown-menu a {
  color: #1c1c1e !important;
  -webkit-text-fill-color: #1c1c1e !important; color: #e5e5ea !important; }
body.dark .btn-secondary {
  background: linear-gradient(135deg, #3a3a3c, #2c2c2e) !important;
  color: #aeaeb2 !important;
}
body.dark .btn-secondary:hover {
  background: linear-gradient(135deg, #007aff, #5856d6) !important;
  color: white !important;
}
body.dark #themeToggle {
  background: linear-gradient(135deg, #ff9f0a, #e08c00) !important;
  box-shadow: 0 4px 18px rgba(255,159,10,0.45) !important;
}
body.dark .alert { background: #2c2c2e !important; color: #e5e5ea !important; }
body.dark .menu-bar { background: #2c2c2e !important; }