:root{
  --blue:#1f4e79; --blue2:#2e5c8a; --light:#f4f7fb; --line:#e2e8f0;
  --green:#15803d; --green-bg:#dcfce7; --amber:#b45309; --amber-bg:#fef3c7;
  --red:#b91c1c; --red-bg:#fee2e2; --grey:#64748b; --dark:#1e293b;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--light);color:var(--dark);font-size:15px;line-height:1.5}
.app{display:flex;min-height:100vh}

/* Sidebar */
.side{width:230px;background:var(--blue);color:#fff;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.15)}
.brand b{font-size:20px}
.brand span{display:block;font-size:11px;color:#a9c7e8;margin-top:2px}
.nav{padding:10px 8px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;color:#d7e6f5;text-decoration:none;border-radius:8px;font-size:14px}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav a.active{background:#fff;color:var(--blue);font-weight:600}
.nav .ico{width:18px;text-align:center}
.side-foot{padding:14px 18px;font-size:11px;color:#a9c7e8;border-top:1px solid rgba(255,255,255,.15)}

/* Main */
.main{flex:1;min-width:0}
.top{background:#fff;border-bottom:1px solid var(--line);padding:14px 26px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
.top h1{font-size:19px;color:var(--blue)}
.top .who{font-size:13px;color:var(--grey)}
.top .who b{color:var(--dark)}
.wrap{padding:26px;max-width:1100px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.card .lbl{font-size:12px;color:var(--grey);text-transform:uppercase;letter-spacing:.4px}
.card .val{font-size:26px;font-weight:700;margin-top:6px}

.panel{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:22px;overflow:hidden}
.panel .ph{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.panel .ph h2{font-size:15px;color:var(--blue)}
.panel .pb{padding:18px}

table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;padding:11px 14px;color:var(--grey);font-size:12px;text-transform:uppercase;letter-spacing:.3px;border-bottom:2px solid var(--line)}
td{padding:12px 14px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.num{text-align:right;font-variant-numeric:tabular-nums}

.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.t-paid{background:var(--green-bg);color:var(--green)}
.t-wait{background:var(--amber-bg);color:var(--amber)}
.t-late{background:var(--red-bg);color:var(--red)}
.t-draft{background:#e2e8f0;color:var(--grey)}
.t-ok{background:#dbeafe;color:var(--blue2)}

.btn{display:inline-block;background:var(--blue);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:500;text-decoration:none}
.btn:hover{background:var(--blue2)}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn.sm{padding:5px 11px;font-size:13px}

.hint{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:12px 16px;font-size:13px;color:#1e40af;margin-bottom:18px}
.formrow{display:flex;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.field{flex:1;min-width:150px}
.field label{display:block;font-size:12px;color:var(--grey);margin-bottom:5px;font-weight:600}
.field input,.field select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fcfdff}
.pill{font-size:11px;background:#e0e7ff;color:#3730a3;padding:2px 8px;border-radius:20px;margin-left:6px}

.acc-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #eef2f7;font-size:14px}
.acc-row.tot{font-weight:700;border-top:2px solid var(--dark);border-bottom:none;margin-top:4px;padding-top:11px}

/* Pages connexion / installation */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--blue)}
.auth-box{background:#fff;border-radius:14px;padding:32px;width:360px;max-width:92vw;box-shadow:0 10px 40px rgba(0,0,0,.2)}
.auth-box h1{color:var(--blue);font-size:24px;text-align:center}
.auth-sub{text-align:center;color:var(--grey);margin:4px 0 20px}

@media(max-width:820px){.cards{grid-template-columns:repeat(2,1fr)}.side{width:64px}.brand span,.nav a span:not(.ico),.side-foot{display:none}}