/* ============================================================
   Seradom CRM — Design System
   Couleurs originales dark + Police Poppins + Logo Seradom
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:           #0d1117;
  --bg-2:         #161b22;
  --bg-3:         #21262d;
  --border:       #30363d;
  --border-light: #21262d;
  --text:         #e6edf3;
  --text-muted:   #7d8590;
  --text-dim:     #484f58;
  --accent:       #2f81f7;
  --accent-hover: #388bfd;
  --accent-dim:   #1f3d6e;
  --success:      #3fb950;
  --warning:      #d29922;
  --danger:       #f85149;
  --info:         #58a6ff;
  --purple:       #a371f7;
  --sidebar-w:    240px;
  --radius:       8px;
  --radius-lg:    12px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --font:         'Poppins', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --transition:   150ms ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;display:flex;min-height:100vh;-webkit-font-smoothing:antialiased}

/* SIDEBAR */
.sidebar{width:var(--sidebar-w);background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;overflow-x:hidden;z-index:100;transition:transform var(--transition)}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.brand-logo{height:34px;width:auto;object-fit:contain}
.brand-name{font-weight:700;font-size:15px;color:var(--text);white-space:nowrap}
.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}
.nav-section{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);padding:12px 8px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius);color:var(--text-muted);text-decoration:none;font-size:13px;font-weight:500;transition:all var(--transition);white-space:nowrap}
.nav-item i{font-size:16px;flex-shrink:0;width:18px;text-align:center}
.nav-item:hover{background:var(--bg-3);color:var(--text)}
.nav-item.active{background:var(--accent-dim);color:var(--accent)}
.lang-switcher{display:flex;gap:6px;padding:12px 16px;border-top:1px solid var(--border);justify-content:center}
.lang-btn{padding:4px 14px;border-radius:20px;border:1px solid var(--border);background:none;color:var(--text-muted);font-size:12px;font-weight:600;text-decoration:none;cursor:pointer;transition:all var(--transition);font-family:var(--font)}
.lang-btn:hover,.lang-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:14px 16px;border-top:1px solid var(--border);flex-shrink:0}
.user-avatar{width:32px;height:32px;background:var(--accent-dim);color:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.user-info{flex:1;min-width:0}
.user-name{display:block;font-size:12.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{display:block;font-size:11px;color:var(--text-muted)}
.logout-btn{color:var(--text-muted);font-size:16px;text-decoration:none;transition:color var(--transition)}
.logout-btn:hover{color:var(--danger)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99}

/* MAIN */
.main-content{margin-left:var(--sidebar-w);flex:1;padding:32px;max-width:calc(100vw - var(--sidebar-w));min-width:0}
.mobile-header{display:none;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:90;margin:-32px -32px 24px -32px}
.mobile-menu-btn{background:none;border:none;color:var(--text);font-size:22px;cursor:pointer;padding:4px}
.mobile-logo{height:28px;width:auto}

/* PAGE HEADER */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:16px;flex-wrap:wrap}
.page-title{font-size:22px;font-weight:700;color:var(--text)}
.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px}

/* CARDS */
.card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-title{font-size:14px;font-weight:600;color:var(--text)}
.card-body{padding:20px}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.kpi-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;position:relative;overflow:hidden}
.kpi-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--kpi-color,var(--accent))}
.kpi-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:color-mix(in srgb,var(--kpi-color,var(--accent)) 15%,transparent);color:var(--kpi-color,var(--accent));margin-bottom:14px}
.kpi-value{font-size:22px;font-weight:700;color:var(--text);font-family:var(--font-mono);line-height:1.2}
.kpi-label{font-size:12px;color:var(--text-muted);margin-top:4px}

/* TABLES */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{padding:10px 14px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap}
tbody tr{border-bottom:1px solid var(--border-light);transition:background var(--transition)}
tbody tr:hover{background:var(--bg-3)}
tbody tr:last-child{border-bottom:none}
td{padding:11px 14px;color:var(--text);vertical-align:middle}
td.text-muted{color:var(--text-muted)}
td.mono{font-family:var(--font-mono);font-size:13px}
td.amount{text-align:right;font-family:var(--font-mono);font-weight:600}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--radius);border:none;font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;transition:all var(--transition);white-space:nowrap;line-height:1;-webkit-tap-highlight-color:transparent}
.btn-primary{background:var(--accent);color:white}
.btn-primary:hover{background:var(--accent-hover);color:white}
.btn-secondary{background:var(--bg-3);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--border);color:var(--text)}
.btn-success{background:var(--success);color:white}
.btn-success:hover{background:#4ade69;color:white}
.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}
.btn-danger:hover{background:var(--danger);color:white}
.btn-warning{background:var(--warning);color:white}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-icon{padding:7px}
.btn-icon i{font-size:15px}

/* FORMS */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
label{font-size:12.5px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}
input,select,textarea{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font);font-size:13.5px;padding:9px 12px;transition:border-color var(--transition);width:100%;outline:none;-webkit-appearance:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,129,247,.15)}
select{cursor:pointer}
textarea{resize:vertical;min-height:80px}
input[type="checkbox"]{-webkit-appearance:checkbox!important;appearance:checkbox!important;width:18px!important;height:18px!important;min-width:18px!important;padding:0!important;border:none!important;background:none!important;cursor:pointer!important;accent-color:var(--accent)!important;pointer-events:auto!important;position:relative!important;z-index:1!important}
.form-error{font-size:12px;color:var(--danger)}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600;white-space:nowrap}

/* FLASH */
.flash{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius);margin-bottom:20px;font-size:13.5px;font-weight:500;animation:slideDown 200ms ease}
.flash-success{background:rgba(63,185,80,.1);border:1px solid rgba(63,185,80,.3);color:var(--success)}
.flash-error{background:rgba(248,81,73,.1);border:1px solid rgba(248,81,73,.3);color:var(--danger)}
.flash-info{background:rgba(47,129,247,.1);border:1px solid rgba(47,129,247,.3);color:var(--accent)}
.flash-close{margin-left:auto;background:none;border:none;cursor:pointer;color:inherit;opacity:.6;font-size:16px;padding:0}
.flash-close:hover{opacity:1}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* DOC EDITOR */
.doc-editor{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.lignes-table{width:100%}
.lignes-table th{padding:8px 10px;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border)}
.ligne-row td{padding:6px 4px}
.ligne-row input,.ligne-row select{padding:6px 8px;font-size:13px}
.ligne-row .desc-input{width:100%}
.ligne-row .remove-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:16px;padding:6px;border-radius:4px}
.ligne-row .remove-btn:hover{color:var(--danger);background:rgba(248,81,73,.1)}
.totaux-box{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;position:sticky;top:20px}
.total-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;font-size:13.5px;border-bottom:1px solid var(--border-light)}
.total-row:last-child{border-bottom:none;font-weight:700;font-size:15px;color:var(--accent);margin-top:4px}
.total-row .label{color:var(--text-muted)}
.total-row .val{font-family:var(--font-mono);font-weight:600}

/* PAGINATION */
.pagination{display:flex;align-items:center;gap:6px;padding:16px 20px;border-top:1px solid var(--border);flex-wrap:wrap}
.pagination .info{font-size:12.5px;color:var(--text-muted);margin-right:auto}
.page-link{padding:5px 11px;border-radius:6px;border:1px solid var(--border);background:var(--bg-3);color:var(--text-muted);font-size:13px;text-decoration:none;transition:all var(--transition)}
.page-link:hover,.page-link.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}
.page-link.disabled{opacity:.4;pointer-events:none}

/* AUTH */
.auth-body{background:var(--bg);display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:420px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.auth-logo{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:32px}
.auth-logo img{max-height:100px;width:auto}
.auth-card h2{font-size:18px;font-weight:600;margin-bottom:24px}

/* SEARCH */
.search-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.search-input-wrap{position:relative;flex:1;min-width:200px}
.search-input-wrap i{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:15px}
.search-input-wrap input{padding-left:34px}

/* EMPTY */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);text-align:center}
.empty-state i{font-size:48px;opacity:.3;margin-bottom:16px}
.empty-state p{font-size:14px}

/* DETAIL */
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.detail-item{display:flex;flex-direction:column;gap:4px}
.detail-label{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}
.detail-value{font-size:14px;color:var(--text)}

/* AUTOCOMPLETE */
.autocomplete-wrap{position:relative}
.autocomplete-list{position:absolute;top:100%;left:0;right:0;background:var(--bg-2);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);z-index:50;max-height:180px;overflow-y:auto;box-shadow:var(--shadow)}
.autocomplete-item{padding:9px 12px;cursor:pointer;font-size:13.5px;transition:background var(--transition)}
.autocomplete-item:hover{background:var(--bg-3);color:var(--accent)}

/* CALENDRIER */
.calendar-wrap{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.calendar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:10px}
.calendar-nav{display:flex;align-items:center;gap:8px}
.calendar-title{font-size:16px;font-weight:700}
.calendar-view-btn{padding:5px 12px;border-radius:6px;border:1px solid var(--border);background:none;color:var(--text-muted);font-size:12.5px;font-weight:600;cursor:pointer;transition:all var(--transition)}
.calendar-view-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}
.calendar-grid-month{display:grid!important;grid-template-columns:repeat(7,1fr)!important;width:100%}
.calendar-day-header{display:flex;align-items:center;justify-content:center;padding:10px 4px;font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-muted);background:var(--bg-3);border-bottom:1px solid var(--border);border-right:1px solid var(--border-light)}
.calendar-day{min-height:90px;padding:6px;border-right:1px solid var(--border-light);border-bottom:1px solid var(--border-light);cursor:pointer;transition:background var(--transition);overflow:hidden}
.calendar-day:hover{background:var(--bg-3)}
.calendar-day.other-month{opacity:.35}
.calendar-day.today{background:rgba(47,129,247,.06)}
.calendar-day.today .day-num{background:var(--accent);color:white;border-radius:50%}
.day-num{font-size:12.5px;font-weight:600;width:24px;height:24px;display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.cal-event{font-size:11px;font-weight:600;padding:2px 6px;border-radius:4px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}

/* FILE INPUT */
.file-input-wrap{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.file-btn{position:relative;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);border:1px dashed var(--border);background:var(--bg-3);color:var(--text-muted);font-size:13px;cursor:pointer;transition:all var(--transition);overflow:hidden}
.file-btn:hover{border-color:var(--accent);color:var(--accent)}
.file-btn input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px);padding:16px}
.modal{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow);animation:modalIn 200ms ease}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:15px;font-weight:700}
.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:20px;padding:4px}
.modal-body{padding:20px}
.modal-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
@keyframes modalIn{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:none}}

/* TABS */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto}
.tab{padding:10px 16px;font-size:13.5px;font-weight:500;color:var(--text-muted);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition);white-space:nowrap;cursor:pointer;background:none;border-left:none;border-right:none;border-top:none;font-family:var(--font)}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}

/* RAPPORT CARDS */
.rapport-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;align-items:stretch}
.rapport-grid a{text-decoration:none;display:flex}
.rapport-grid .card{width:100%;display:flex;flex-direction:column;transition:border-color 150ms ease;cursor:pointer;padding:0}
.rapport-grid .card:hover{border-color:var(--accent)}
.rapport-card-body{padding:28px;display:flex;flex-direction:column;flex:1}

/* UTILS */
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}
.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.text-right{text-align:right}.text-muted{color:var(--text-muted)!important}
.text-danger{color:var(--danger)!important}.text-success{color:var(--success)!important}
.text-warning{color:var(--warning)!important}.text-accent{color:var(--accent)!important}
.font-mono{font-family:var(--font-mono)}.fw-bold{font-weight:700}.w-full{width:100%}.hidden{display:none}

/* RESPONSIVE MOBILE */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)!important;z-index:200;width:260px!important}
  .sidebar.open{transform:translateX(0)!important}
  .sidebar-overlay.open{display:block!important}
  .main-content{margin-left:0!important;max-width:100vw!important;width:100vw!important;padding:0 0 32px 0!important;overflow-x:hidden}
  .mobile-header{display:flex!important;margin:0!important;width:100%;padding-top:max(14px,env(safe-area-inset-top))!important}
  .kpi-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important;margin:16px 16px 20px!important}
  .kpi-card{padding:14px}
  .kpi-value{font-size:17px}
  .card{margin:0 16px}
  .form-grid{grid-template-columns:1fr!important}
  .form-group.full{grid-column:1!important}
  div[style*="grid-template-columns:2fr"],div[style*="grid-template-columns: 2fr"],div[style*="grid-template-columns:1fr 1fr"],div[style*="grid-template-columns: 1fr 1fr"],div[style*="grid-template-columns:1fr 360px"],div[style*="grid-template-columns: 1fr 360px"],div[style*="grid-template-columns:1fr 320px"],div[style*="grid-template-columns: 1fr 320px"],div[style*="grid-template-columns:1fr 300px"],div[style*="grid-template-columns: 1fr 300px"]{display:flex!important;flex-direction:column!important;gap:16px!important}
  .doc-editor{display:flex!important;flex-direction:column!important}
  .totaux-box{position:static!important;margin:0 16px}
  .table-wrap{margin:0;border-radius:0}
  table{font-size:12px}
  td,thead th{padding:8px 10px}
  .search-bar{margin:0 16px 16px!important;flex-wrap:wrap}
  .search-bar form{flex-direction:column!important;width:100%}
  .search-input-wrap{min-width:unset;width:100%}
  .page-header{margin:16px 16px 20px!important}
  .calendar-wrap{margin:0 16px}
  .calendar-day{min-height:52px;padding:3px}
  .day-num{font-size:11px;width:20px;height:20px}
  .cal-event{font-size:9px;padding:1px 3px}
  .flash{margin:8px 16px}
  .tabs{margin:0 16px 16px}
  .modal{margin:8px;max-height:95vh}
  .modal-overlay{padding:8px;align-items:flex-end}
  .auth-card{padding:24px 16px;margin:16px}
  .hide-mobile{display:none!important}
}
@media(min-width:769px){
  .mobile-header{display:none!important}
  .sidebar{transform:none!important}
  .sidebar-overlay{display:none!important}
}
@media(display-mode:standalone){
  .mobile-header{padding-top:max(16px,env(safe-area-inset-top))!important}
}

/* Brand kit — grille responsive */
.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .brand-logo-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  .brand-logo-grid .btn { font-size: 11px; padding: 4px 8px; }
}