:root {
    --bg:#0d0f14;--bg2:#13161e;--bg3:#1a1e2a;
    --border:#252938;--gold:#c9a84c;--gold-light:#e2c06e;
    --gold-dim:rgba(201,168,76,0.15);--text:#e8eaf0;
    --text-muted:#7a8099;--success:#2ecc8a;--danger:#e05c6b;
    --warning:#e0a94e;--info:#4e9ee0;--sidebar-w:240px;
    --radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,0.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:15px;}
body{font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;line-height:1.6;}
a{color:var(--gold);text-decoration:none;transition:color .2s;}
a:hover{color:var(--gold-light);}
.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:100;padding:0 0 2rem;}
.sidebar-logo{padding:1.8rem 1.5rem 1.5rem;font-family:'Segoe UI',Arial,sans-serif;font-size:1.25rem;font-weight:700;color:var(--text);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.6rem;letter-spacing:-.01em;}
.logo-icon{font-size:1.4rem;}
.logo-text strong{color:var(--gold);}
.sidebar-user{padding:1.2rem 1.5rem;display:flex;align-items:center;gap:.8rem;border-bottom:1px solid var(--border);margin-bottom:.5rem;}
.user-avatar{width:36px;height:36px;background:var(--gold-dim);border:1.5px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:700;color:var(--gold);font-size:.9rem;flex-shrink:0;}
.user-info{display:flex;flex-direction:column;overflow:hidden;}
.user-name{font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-role{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;}
.sidebar-nav{display:flex;flex-direction:column;padding:.5rem 0;flex:1;}
.nav-item{display:flex;align-items:center;gap:.75rem;padding:.72rem 1.5rem;color:var(--text-muted);font-size:.875rem;font-weight:400;transition:all .2s;border-left:3px solid transparent;position:relative;}
.nav-item:hover{color:var(--text);background:var(--bg3);border-left-color:var(--border);}
.nav-item.active{color:var(--gold);background:var(--gold-dim);border-left-color:var(--gold);font-weight:500;}
.nav-icon{font-size:1rem;width:20px;text-align:center;flex-shrink:0;}
.nav-divider{height:1px;background:var(--border);margin:.75rem 1.5rem;}
.nav-logout:hover{color:var(--danger);border-left-color:var(--danger);}
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh;}
.main-full{margin-left:0;}
.topbar{height:56px;background:var(--bg2);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;position:sticky;top:0;z-index:50;}
.page-breadcrumb{font-family:'Syne',sans-serif;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;}
.topbar-link{font-size:.8rem;color:var(--text-muted);padding:.35rem .8rem;border:1px solid var(--border);border-radius:var(--radius-sm);transition:all .2s;}
.topbar-link:hover{color:var(--gold);border-color:var(--gold);}
.content{padding:2rem;flex:1;animation:fadeUp .4s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.flash-container{padding:1rem 2rem 0;display:flex;flex-direction:column;gap:.5rem;}
.flash{display:flex;align-items:center;gap:.75rem;padding:.8rem 1.1rem;border-radius:var(--radius-sm);font-size:.875rem;border-left:3px solid;animation:fadeUp .3s ease both;}
.flash-success{background:rgba(46,204,138,.1);border-color:var(--success);color:var(--success);}
.flash-danger{background:rgba(224,92,107,.1);border-color:var(--danger);color:var(--danger);}
.flash-warning{background:rgba(224,169,78,.1);border-color:var(--warning);color:var(--warning);}
.flash-info{background:rgba(78,158,224,.1);border-color:var(--info);color:var(--info);}
.flash-icon{font-weight:700;}
.flash-close{margin-left:auto;background:none;border:none;color:inherit;cursor:pointer;font-size:1.1rem;opacity:.6;transition:opacity .2s;}
.flash-close:hover{opacity:1;}
h1,h2,h3{font-family:'Syne',sans-serif;font-weight:700;letter-spacing:-.02em;}
h1{font-size:1.75rem;color:var(--text);margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem;}
h1::after{content:'';display:block;height:3px;width:40px;background:var(--gold);border-radius:2px;margin-left:.5rem;}
h2{font-size:1.25rem;margin-bottom:1rem;}
h3{font-size:1rem;color:var(--text-muted);font-weight:600;}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;transition:border-color .2s;}
.card:hover{border-color:#2e3347;}
.card-title{font-family:'Syne',sans-serif;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:1rem;}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem;}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem 1.5rem;transition:all .2s;position:relative;overflow:hidden;}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gold);opacity:0;transition:opacity .2s;}
.stat-card:hover::before{opacity:1;}
.stat-card:hover{border-color:#2e3347;transform:translateY(-2px);}
.stat-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);font-weight:600;margin-bottom:.5rem;}
.stat-value{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:var(--text);line-height:1;}
.stat-value.gold{color:var(--gold);}
.stat-value.success{color:var(--success);}
.stat-value.danger{color:var(--danger);}
table{width:100%;border-collapse:collapse;font-size:.875rem;}
thead tr{border-bottom:2px solid var(--border);}
th{padding:.75rem 1rem;text-align:left;font-family:'Syne',sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);}
td{padding:.9rem 1rem;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle;}
tbody tr{transition:background .15s;}
tbody tr:hover{background:var(--bg3);}
tbody tr:last-child td{border-bottom:none;}
.badge{display:inline-block;padding:.25rem .7rem;border-radius:20px;font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;}
.badge-premier{background:rgba(78,158,224,.15);color:var(--info);}
.badge-attente{background:rgba(224,169,78,.15);color:var(--warning);}
.badge-soumis{background:rgba(201,168,76,.15);color:var(--gold);}
.badge-approuve{background:rgba(46,204,138,.15);color:var(--success);}
.badge-refuse{background:rgba(224,92,107,.15);color:var(--danger);}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border-radius:var(--radius-sm);font-family:'DM Sans',sans-serif;font-size:.825rem;font-weight:500;border:none;cursor:pointer;transition:all .2s;text-decoration:none;white-space:nowrap;}
.btn-primary{background:var(--gold);color:#0d0f14;font-weight:600;}
.btn-primary:hover{background:var(--gold-light);color:#0d0f14;transform:translateY(-1px);box-shadow:0 4px 12px rgba(201,168,76,.3);}
.btn-accent{background:var(--bg3);color:var(--text);border:1px solid var(--border);}
.btn-accent:hover{border-color:var(--gold);color:var(--gold);}
.btn-danger{background:rgba(224,92,107,.15);color:var(--danger);border:1px solid rgba(224,92,107,.3);}
.btn-danger:hover{background:var(--danger);color:#fff;}
.btn-sm{padding:.35rem .75rem;font-size:.775rem;}
.btn-group{display:flex;gap:.5rem;flex-wrap:wrap;}
.form-group{margin-bottom:1.25rem;}
.form-label{display:block;font-size:.775rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:.4rem;}
.form-control,input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="tel"],select,textarea{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:.65rem 1rem;font-family:'DM Sans',sans-serif;font-size:.875rem;transition:border-color .2s,box-shadow .2s;outline:none;}
.form-control:focus,input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-dim);}
select option{background:var(--bg3);}
textarea{resize:vertical;min-height:100px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
@media(max-width:640px){.form-grid{grid-template-columns:1fr;}}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);position:relative;overflow:hidden;}
.login-page::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(201,168,76,.08) 0%,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;}
.login-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;width:100%;max-width:400px;box-shadow:var(--shadow);animation:fadeUp .5s ease both;}
.login-logo{text-align:center;margin-bottom:2rem;}
.login-logo .logo-big{font-family:'Syne',sans-serif;font-size:1.8rem;font-weight:800;color:var(--text);}
.login-logo .logo-big span{color:var(--gold);}
.login-logo p{color:var(--text-muted);font-size:.85rem;margin-top:.25rem;}
.client-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1.5rem;}
.client-avatar-lg{width:60px;height:60px;background:var(--gold-dim);border:2px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:1.4rem;color:var(--gold);flex-shrink:0;}
.client-meta{flex:1;}
.client-meta h1{margin-bottom:.25rem;}
.client-meta h1::after{display:none;}
.client-dossier{font-size:.8rem;color:var(--text-muted);font-family:'Syne',sans-serif;letter-spacing:.05em;}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem;}
.info-item .info-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:600;margin-bottom:.2rem;}
.info-item .info-value{font-size:.9rem;color:var(--text);}
.timeline{position:relative;padding-left:1.5rem;}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--border);}
.timeline-item{position:relative;margin-bottom:1.5rem;padding-left:1rem;}
.timeline-item::before{content:'';position:absolute;left:-1.5rem;top:.4rem;width:10px;height:10px;border-radius:50%;background:var(--gold);border:2px solid var(--bg2);}
.timeline-date{font-size:.72rem;color:var(--text-muted);margin-bottom:.25rem;font-family:'Syne',sans-serif;}
.timeline-action{font-weight:500;font-size:.9rem;margin-bottom:.25rem;}
.timeline-comment{font-size:.85rem;color:var(--text-muted);}
.pagination{display:flex;align-items:center;gap:.75rem;margin-top:1.25rem;justify-content:center;}
.pagination-info{font-size:.8rem;color:var(--text-muted);}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted);}
.empty-state .empty-icon{font-size:2.5rem;margin-bottom:1rem;opacity:.4;}
.empty-state p{font-size:.9rem;}
::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:#3a3f55;}