:root{
  --navy:#071423;--navy2:#0b2138;--text:#071423;--muted:#5d6b7d;--line:#dbe3ed;--soft:#f3f6fa;
  --orange:#ff9800;--orange2:#ffb02e;--white:#fff;--radius:16px;--radius-lg:22px;
  --shadow:0 10px 30px rgba(7,20,35,.07);--shadow-lg:0 18px 55px rgba(7,20,35,.12);
  --green:#0f9d58;--red:#d93025;--blue:#2563eb;--purple:#8b5cf6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--soft);font-size:15.5px;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;margin:0 0 8px}
p{margin:0 0 10px}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}

/* ---------- Layout auth (login / captcha) ---------- */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 15% 0%,rgba(255,152,0,.10),transparent 40%),linear-gradient(180deg,#071423 0%,#0b2138 320px,var(--soft) 320px)}
.auth-card{width:100%;max-width:420px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:34px 30px;border:1px solid var(--line)}
.auth-card.wide{max-width:640px}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px;font-weight:800;font-size:18px}
.auth-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--orange)}
.auth-card h1{font-size:22px}
.auth-card .sub{color:var(--muted);margin-bottom:20px}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:13.5px;margin-bottom:6px}
.field .hint{color:var(--muted);font-size:12.5px;margin-top:5px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=search],select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--text);
}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,152,0,.15)}
.checkbox-row{display:flex;align-items:center;gap:10px}
.checkbox-row input{width:18px;height:18px;accent-color:var(--orange)}
.form-row{display:flex;gap:14px;flex-wrap:wrap}
.form-row>.field{flex:1;min-width:180px}
.file-input{border:1.5px dashed var(--line);border-radius:12px;padding:16px;text-align:center;color:var(--muted);background:#fafcfe}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;background:var(--orange);color:#0c0c0c;font-weight:800;border:1px solid transparent;cursor:pointer;box-shadow:0 10px 24px rgba(255,152,0,.22);font-size:14.5px}
.btn:hover{filter:brightness(.97)}
.btn.block{width:100%}
.btn.secondary{background:#fff;color:var(--navy);border-color:var(--line);box-shadow:none}
.btn.dark{background:var(--navy);color:#fff;box-shadow:none}
.btn.danger{background:#fdecea;color:#a02622;box-shadow:none}
.btn.ghost{background:transparent;color:var(--muted);box-shadow:none;border-color:transparent}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.captcha-box{display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:12px;padding:10px 14px;margin-bottom:6px}
.captcha-box strong{font-size:17px}

/* ---------- Flash messages ---------- */
.flash{border-radius:12px;padding:13px 16px;margin-bottom:16px;font-size:14px;font-weight:600}
.flash.success{background:#e9f8f0;color:#096b42}
.flash.error{background:#fdecea;color:#a02622}
.flash.info{background:#eaf2ff;color:#174ea6}

/* ---------- App shell (client + admin) ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:250px;flex:none;background:var(--navy);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{display:flex;align-items:center;gap:10px;font-weight:800;padding:6px 10px 22px;font-size:17px}
.sidebar .brand .dot{width:10px;height:10px;border-radius:50%;background:var(--orange)}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:#cddced;font-weight:600;font-size:14px;margin-bottom:2px}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:rgba(255,152,0,.14);color:#ffb02e}
.sidebar .group-title{color:#6f81a0;font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding:16px 12px 6px}
.sidebar .side-foot{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar .side-foot a{color:#9fb0c8}

.main{flex:1;min-width:0}
.topbar-mobile{display:none;align-items:center;justify-content:space-between;background:var(--navy);color:#fff;padding:14px 18px;position:sticky;top:0;z-index:30}
.topbar-mobile button{background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:8px 10px}
.content{padding:28px 32px 60px;max-width:1240px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head h1{font-size:26px}
.page-head .sub{color:var(--muted);font-size:14px}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-ticket{grid-template-columns:minmax(0,2.1fr) minmax(0,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow)}
.card h3{font-size:16px;margin-bottom:14px}
.card .card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.stat-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat-tile .label{color:var(--muted);font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.stat-tile .value{font-size:28px;font-weight:800;margin-top:6px}
.stat-tile .value small{font-size:15px;color:var(--muted);font-weight:600}

/* ---------- Donut chart (CSS conic-gradient) ---------- */
.donut-wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.donut{width:130px;height:130px;border-radius:50%;position:relative;flex:none}
.donut-hole{position:absolute;inset:20px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}
.donut-empty{color:var(--muted);font-size:13px}
.donut-legend{flex:1;min-width:150px}
.donut-legend li{display:flex;align-items:center;gap:8px;font-size:13.5px;padding:4px 0}
.donut-legend .dot{width:10px;height:10px;border-radius:3px;flex:none}
.donut-legend b{margin-left:auto}

.progress{background:var(--soft);border-radius:999px;height:10px;overflow:hidden}
.progress-bar{height:100%;border-radius:999px}
.progress-label{color:var(--muted);font-size:12.5px;margin-top:6px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
table.data th{text-align:left;background:var(--soft);padding:11px 14px;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
table.data td{padding:12px 14px;border-top:1px solid var(--line)}
table.data tr:hover td{background:#fbfcfe}
.table-empty{padding:30px;text-align:center;color:var(--muted)}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.b-nouveau{background:#eaf2ff;color:#174ea6}
.badge.b-en_cours{background:#fff4df;color:#9b5800}
.badge.b-en_cours_planifie{background:#eefbf3;color:#0f7a4a}
.badge.b-en_attente{background:#f3e8ff;color:#6b21a8}
.badge.b-resolu{background:#e9f8f0;color:#096b42}
.badge.b-clos{background:#eceff3;color:#4b5768}
.badge.u-basse{background:#eceff3;color:#4b5768}
.badge.u-normale{background:#eaf2ff;color:#174ea6}
.badge.u-haute{background:#fff1e0;color:#a15c00}
.badge.u-critique{background:#fdecea;color:#a02622}
.badge.t-incident{background:#fdecea;color:#a02622}
.badge.t-demande{background:#eaf2ff;color:#174ea6}

/* ---------- Ticket thread ---------- */
.thread{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.msg{max-width:80%;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.msg.from-client{align-self:flex-start;border-top-left-radius:4px}
.msg.from-admin{align-self:flex-end;background:#071423;color:#fff;border-color:#071423;border-top-right-radius:4px}
.msg.from-system{align-self:center;background:var(--soft);color:var(--muted);font-size:13px;border-style:dashed;max-width:90%}
.msg .msg-meta{font-size:12px;opacity:.7;margin-bottom:6px;font-weight:700}
.msg .msg-body{white-space:pre-wrap;word-wrap:break-word}
.msg.internal{background:#fff8e1;border-color:#ffe1a8}
.msg .msg-atts{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.msg .msg-atts a{font-size:12.5px;background:rgba(255,255,255,.12);padding:5px 10px;border-radius:8px}
.msg.from-client .msg-atts a,.msg.from-system .msg-atts a{background:#eef2f7;color:var(--text)}

.task-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.task-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.task-item.done{opacity:.6;text-decoration:line-through}
.task-item input{width:18px;height:18px;accent-color:var(--orange)}

/* ---------- Misc ---------- */
.muted{color:var(--muted)}
.small{font-size:13px}
.divider{border:none;border-top:1px solid var(--line);margin:20px 0}
.pill-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pill-tabs a{padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:13.5px;font-weight:700;background:#fff;color:var(--muted)}
.pill-tabs a.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.empty-state{text-align:center;padding:50px 20px;color:var(--muted)}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv:last-child{border-bottom:none}
.kv b{font-weight:700}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.toolbar select,.toolbar input{width:auto}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:700;font-size:13.5px;margin-bottom:14px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .2s ease;z-index:50;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .topbar-mobile{display:flex}
  .content{padding:20px 16px 50px}
  .grid-2,.grid-3,.grid-4,.grid-ticket{grid-template-columns:1fr}
  .msg{max-width:94%}
  .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(7,20,35,.5);z-index:40}
  .sidebar-overlay.open{display:block}
}