:root{
  --blue:#013593;
  --violet:#9360D5;
  --text:#111827;
  --muted:#6b7280;
  --bg:#f7f8fb;
  --card:#ffffff;
  --card-alt:#f4f6fb;
  --border:#e5e7eb;
  --stroke:rgba(17, 24, 39, 0.08);
  --shadow-soft:0 12px 35px rgba(15, 23, 42, 0.08);
  --shadow-hero:0 24px 60px rgba(0, 0, 0, 0.18);
  --ok:#16a34a;
  --ko:#ef4444;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:"Open Sans",Inter,system-ui,Arial,sans-serif;color:var(--text);background:var(--bg)}

/* header */
.header{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 20px;background:linear-gradient(135deg,var(--blue),var(--violet));
  border-bottom:1px solid rgba(255,255,255,0.15);position:relative;z-index:50;color:#fff
}
.brand-line{display:flex;align-items:center;gap:12px}
.header-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.logo{
  width:56px;height:56px;border-radius:16px;
  background:linear-gradient(135deg,rgba(255,255,255,0.35),rgba(255,255,255,0.08));
  border:1px solid rgba(255,255,255,0.3);box-shadow:var(--shadow-hero);
  display:flex;align-items:center;justify-content:center;overflow:hidden
}
.logo img{width:100%;height:100%;object-fit:contain;background:transparent;padding:0}
h1{font-size:22px;margin:0;color:#fff}
.muted{color:var(--muted);font-size:13px;margin:2px 0 0}
.header .muted{color:rgba(255,255,255,0.8)}

/* summary */
.summary{background:transparent}
.summary-row{
  max-width:1200px;margin:16px auto 0;padding:0 20px 10px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px
}
.summary-item{
  display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--stroke);
  border-radius:14px;padding:12px 14px;box-shadow:var(--shadow-soft)
}
.summary-title{font-size:12px;color:var(--muted)}
.summary-value{font-size:18px;font-weight:700}
.summary-badge{display:inline-block;padding:6px 10px;border-radius:6px;color:#fff;font-weight:700}
.summary-badge.ok{background:rgba(22,163,74,0.62)}
.summary-badge.ko{background:rgba(239,68,68,0.62)}

/* content + sections */
.content{max-width:1200px;margin:24px auto 90px;padding:0 20px;padding-bottom: calc(env(safe-area-inset-bottom) + 80px);}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
h2{font-size:18px;margin:0;color:var(--blue)}
.view{display:none}
.view.active{display:block}

/* grid cartes */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{
  background:var(--card);border:1px solid var(--stroke);border-radius:16px;padding:18px;
  transition:box-shadow .2s ease, transform .2s ease;box-shadow:var(--shadow-soft);cursor:pointer
}
.card:hover{box-shadow:0 18px 40px rgba(15, 23, 42, 0.12);transform:translateY(-1px)}
.card h3{margin:0 0 10px;font-size:16px;color:var(--blue)}
.card p{margin:6px 0;font-size:14px}
.badge{display:inline-block;padding:4px 10px;border-radius:8px;color:#fff;font-weight:700}
.badge.ok{background:rgba(22,163,74,0.62)}
.badge.ko{background:rgba(239,68,68,0.62)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.kv{display:flex;align-items:center;gap:8px}
.kv-label{color:var(--muted);font-size:13px}
.kv-value{font-weight:700}

/* details view */
.details-hero{
  position:relative;border-radius:12px;overflow:hidden;margin-bottom:16px;background:linear-gradient(135deg,rgba(1,53,147,.06),rgba(147,96,213,.06));
  min-height:120px;display:flex;align-items:flex-end;padding:16px
}
.details-hero .cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.14}
.details-hero .hero-row{position:relative;display:flex;align-items:center;gap:12px}
.details-hero .hero-logo{width:56px;height:56px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.details-hero .hero-logo img{width:100%;height:100%;object-fit:contain}
.details-body{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.copy-btn{border:1px solid var(--border);background:#fff;border-radius:8px;padding:6px 10px;font-size:12px;cursor:pointer}
.copy-btn:hover{border-color:#d1d5db}

/* transactions layout: 2 colonnes fixes (borne 1, borne 2) */
.tx-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tx-col{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.tx-col h3{margin:0 0 10px;font-size:16px;color:var(--blue)}
.tx-item{display:grid;grid-template-columns:1.2fr .8fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.tx-item:last-child{border-bottom:none}
.tx-item .date{font-size:14px}
.tx-item .amt{font-weight:700;color:var(--violet);text-align:right}
.totals-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}
.logs-list{display:flex;flex-direction:column;gap:8px}
.log-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);font-size:14px}
.log-item .id{color:var(--muted);font-size:12px}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--violet);border-radius:50%;animation:spin .8s linear infinite;margin:12px auto}
.spinner.small{width:22px;height:22px}
@keyframes spin{to{transform:rotate(360deg)}}
.bar{display:flex;width:100%;height:10px;border-radius:999px;overflow:hidden;background:var(--border)}
.bar-on{background:linear-gradient(135deg,var(--blue),var(--violet));height:100%}
.bar-off{background:var(--border);height:100%}
.chart-card .muted{margin-top:-4px;margin-bottom:8px}
.chart{
  width:100%;overflow-x:auto;padding:6px 0 2px;
}
.chart svg{min-height:380px;max-height:400px;width:100%}
.chart text{fill:var(--muted);font-size:11px;font-family:"Open Sans",Inter,system-ui,Arial,sans-serif}
.chart .value-label{fill:var(--blue);font-weight:700;font-size:12px}
.chart .bar-rect{rx:6;ry:6}
.chart-grid{display:grid;grid-template-columns:1fr;gap:14px}
.legend{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted);margin:6px 0 2px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend .dot{width:10px;height:10px;border-radius:999px;background:var(--blue)}
.legend .dot.alt{background:var(--ok)}
.details-mode .content{max-width:100%;width:100%}
.details-mode #detailsView .details-body{display:flex;flex-direction:column;gap:14px}
.details-mode #detailsView .details-body.centered{
  max-width:1600px;width:100%;margin:0 auto;padding:0 12px;align-items:stretch;
}
.details-mode #detailsView .details-body.centered > *{
  width:100%;
  margin-left:auto;
  margin-right:auto;
}
.details-mode #detailsView .details-body.centered .tx-columns{
  grid-template-columns:1fr;
}
.details-mode #detailsView .details-body.wide{
  max-width:1600px;width:100%;margin:0 auto;padding:0 12px;align-items:stretch;
}
.details-mode #detailsView .details-body.wide > *{
  width:100%;
  margin-left:auto;
  margin-right:auto;
}
.details-mode #detailsView .details-body.wide .tx-columns{
  grid-template-columns:1fr;
}
.chart-card canvas{max-height:400px !important;}
.chartjs-render-monitor{color:inherit}
.text-gradient{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  -webkit-background-clip:text;
  color:transparent;
}
.hero-logo.gradient{
  background:linear-gradient(135deg,var(--blue),var(--violet));
}
.chart-wrapper{
  margin-top:12px;padding:12px;border:1px solid var(--stroke);border-radius:14px;
  background:linear-gradient(180deg,#ffffff 0%,#f6f8ff 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.6);overflow:hidden;position:relative;
}
.chart-wrapper canvas{
  width:100% !important;height:auto !important;aspect-ratio:16/9;min-height:clamp(160px,40vw,260px);touch-action:pan-x pan-y;
}
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:2000;
}
.modal{
  background:#fff;border-radius:12px;max-width:520px;width:92vw;max-height:80vh;overflow:hidden;box-shadow:0 15px 40px rgba(0,0,0,0.18);border:1px solid var(--border);display:flex;flex-direction:column;
}
.modal header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}
.modal header h3{margin:0;font-size:16px;color:var(--blue)}
.modal .modal-body{padding:12px 14px;overflow-y:auto}
.daily-list{display:flex;flex-direction:column;gap:10px}
.daily-item{display:flex;justify-content:space-between;border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:var(--card)}
.daily-item .date{color:var(--muted);font-size:13px}
.btn-gradient{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  color:#fff;
  border:none;
}
.gradient-num,
.summary-value,
.tx-item .amt,
.totals-card strong,
.card .kv-value strong{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  -webkit-background-clip:text;
  color:transparent;
  font-weight:700;
}
.page-loader{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(1,53,147,.18),rgba(147,96,213,.18));
  backdrop-filter:blur(3px);z-index:1200;
}
.page-loader.hidden{display:none}
.page-loader .box{
  background:#fff;border-radius:14px;padding:16px 18px;display:flex;align-items:center;gap:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.08);border:1px solid var(--border);
  font-weight:700;color:var(--blue)
}

/* tabs bottom */
.tabs{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:max(12px, env(safe-area-inset-bottom));
  width:min(920px, calc(100% - 18px));
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  display:flex;gap:10px;flex-wrap:wrap;
  padding:10px;box-shadow:0 18px 60px rgba(0,0,0,0.18);
  backdrop-filter:blur(12px);z-index:80
}
.tab{
  flex:1 1 0;border:none;
  background:#fff;
  padding:14px;border-radius:14px;
  font-weight:800;cursor:pointer;color:var(--text);
  border:1px solid rgba(1,53,147,0.15);
  transition:transform .2s ease, background .2s ease, border-color .2s ease
}
.tab span{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  -webkit-background-clip:text;
  color:transparent;
}
.tab.active{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  border-color:rgba(1,53,147,0.35);
  transform:translateY(-2px);
  box-shadow:0 10px 40px rgba(15,23,42,0.25)
}
.tab.active span{color:#fff;-webkit-text-fill-color:#fff}
.tab:active{transform:translateY(0)}

/* buttons */
.btn{border-radius:12px;border:1px solid var(--border);background:#fff;padding:9px 14px;font-weight:700;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;border:none;box-shadow:0 12px 30px rgba(1,53,147,0.2)}
.btn.btn-gradient{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  color:#fff;
  border:none;
  box-shadow:0 12px 30px rgba(1,53,147,0.2);
}
.btn-ghost{background:#fff;border:1px solid var(--violet);color:var(--violet)}
.btn:hover{opacity:.95}
.header .btn-ghost{background:rgba(255,255,255,0.14);border:1px solid rgba(255,255,255,0.35);color:#fff}

/* login */
body.login{
  display:grid;place-items:center;min-height:100vh;
  background:linear-gradient(120deg,#0b1224,#1f3b73,#1f8eed,#6a11cb);
  background-size:200% 200%;animation:gradientShift 10s ease-in-out infinite
}
@keyframes gradientShift{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
.login-card{
  width:min(420px,92vw);background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px 18px;
  box-shadow:0 18px 40px rgba(15, 23, 42, 0.18)
}
.login-card .brand-line{margin-bottom:10px}
.login-card input{
  width:100%;padding:11px 12px;margin:8px 0;border:1px solid var(--border);border-radius:8px;font-size:14px
}
.error{color:var(--ko);font-size:13px;margin-top:6px}

/* responsive */
@media (max-width:900px){
  .summary-row{grid-template-columns:repeat(2,1fr)}
  .tx-columns{grid-template-columns:1fr}
}
@media (max-width:720px){
  .header{flex-direction:column;align-items:flex-start;gap:12px;padding:18px 16px}
  .header-actions{width:100%;justify-content:flex-start}
  .content{margin:18px auto 90px;padding:0 16px}
  .summary-row{grid-template-columns:1fr;padding:0 16px 10px}
  .grid-cards{grid-template-columns:1fr}
  .tabs{width:calc(100% - 14px);padding:8px;gap:8px}
  .tab{padding:10px;font-size:13px}
}
@media (max-width:480px){
  .logo{width:48px;height:48px}
  .summary-item{padding:10px 12px}
}