@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  --grad: linear-gradient(135deg, #FF4500, #FF6B00, #FFB800);
  --grad-hover: linear-gradient(135deg, #e03d00, #e05f00, #e0a400);
  --primary: #FF6B00;
  --primary-dark: #e05f00;
  --bg: #0a0a0a;
  --bg2: #141414;
  --bg3: #1e1e1e;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --text2: #888;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
}

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

body {
  font-family: 'Montserrat', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Layout */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
}

.main { margin-left: 240px; padding: 32px; flex: 1; }

.sidebar-logo {
  padding: 8px 12px 8px;
  font-weight: 800;
  font-size: 20px;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.sidebar-tagline {
  padding: 0 12px 20px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-user {
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 12px;
}

.sidebar-user strong { display: block; color: var(--text); font-size: 14px; font-weight: 600; margin-bottom: 2px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-link:hover { background: var(--bg3); color: var(--text); }
.nav-link.active { background: var(--bg3); color: var(--primary); }
.nav-link svg { width: 17px; height: 17px; flex-shrink: 0; }

.sidebar-bottom { margin-top: auto; border-top: 1px solid var(--border); padding-top: 12px; }

/* Cards */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}

.card-value.gradient {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-sub { font-size: 12px; color: var(--text2); margin-top: 4px; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1200px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 16px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600; color: var(--text2);
  text-transform: uppercase; letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border);
}
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }

/* Status badges */
.status {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}
.status-actif { background: rgba(34,197,94,0.12); color: var(--success); }
.status-resil { background: rgba(245,158,11,0.12); color: var(--warning); }
.status-termine { background: rgba(156,163,175,0.08); color: var(--text2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all 0.15s; text-decoration: none;
  font-family: 'Montserrat', sans-serif;
}
.btn-primary { background: var(--grad); color: white; }
.btn-primary:hover { background: var(--grad-hover); transform: translateY(-1px); }
.btn-ghost { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-danger { background: rgba(239,68,68,0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-warning { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.btn-sm { padding: 5px 10px; font-size: 11px; border-radius: 6px; }

/* Forms */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; }
input, select, textarea {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 10px 14px;
  font-size: 13px; width: 100%; outline: none;
  font-family: 'Montserrat', sans-serif; transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
select option { background: var(--bg3); }

/* Modal */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.8); z-index: 100;
  align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  width: 100%; max-width: 520px; max-height: 90vh;
  overflow-y: auto; margin: 16px;
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; }

/* Page header */
.page-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 28px;
}
.page-title { font-size: 24px; font-weight: 800; }
.page-sub { font-size: 13px; color: var(--text2); margin-top: 3px; font-weight: 500; }

/* Section */
.section { margin-bottom: 32px; }
.section-title { font-size: 15px; font-weight: 700; margin-bottom: 16px; }

/* Alert */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; font-weight: 500; }
.alert-warning { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25); color: var(--warning); }
.alert-success { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.25); color: var(--success); }

/* Login page */
.login-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  padding: 16px;
  background: radial-gradient(ellipse at top left, rgba(255,69,0,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at bottom right, rgba(255,184,0,0.1) 0%, transparent 50%),
              var(--bg);
}
.login-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px;
  width: 100%; max-width: 380px;
}
.login-logo {
  text-align: center; font-size: 28px; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 4px; letter-spacing: -1px;
}
.login-sub { text-align: center; color: var(--text2); font-size: 13px; margin-bottom: 32px; font-weight: 500; }

/* Chart */
.chart-wrap { height: 200px; }

/* Tabs */
.tabs {
  display: flex; gap: 4px; background: var(--bg3);
  border-radius: 8px; padding: 4px; margin-bottom: 20px;
}
.tab {
  flex: 1; text-align: center; padding: 8px;
  border-radius: 6px; cursor: pointer;
  font-size: 12px; font-weight: 600; color: var(--text2);
  transition: all 0.15s;
}
.tab.active { background: var(--bg2); color: var(--text); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--bg2); border: 1px solid var(--border);
  padding: 12px 20px; border-radius: 8px;
  font-size: 13px; font-weight: 600; z-index: 200;
  transform: translateY(100px); opacity: 0; transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.ok { border-color: var(--success); color: var(--success); }
.toast.err { border-color: var(--danger); color: var(--danger); }

/* Amount */
.amount { font-weight: 700; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.amount-green { font-weight: 700; color: var(--success); }

/* Gradient border card */
.card-gradient-border {
  background: var(--bg2); border-radius: var(--radius); padding: 20px;
  position: relative;
  background-clip: padding-box;
  border: 1px solid transparent;
}
.card-gradient-border::before {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--radius); padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}