/* ============================================================
   IA PC's — Portal de Contratos Digitales
   Hoja de estilos principal
   ============================================================ */
:root{
  --bg:#0A0F1E;
  --bg2:#111827;
  --bg3:#1C2536;
  --border:#2A3650;
  --border2:#364560;
  --blue:#2563EB;
  --blue-l:#3B82F6;
  --blue-glow:rgba(37,99,235,0.18);
  --green:#10B981;
  --green-bg:rgba(16,185,129,0.1);
  --yellow:#F59E0B;
  --yellow-bg:rgba(245,158,11,0.1);
  --red:#EF4444;
  --red-bg:rgba(239,68,68,0.1);
  --text:#F1F5F9;
  --text2:#94A3B8;
  --text3:#8696AE;
  --r:10px;
  --r2:6px;
  --shadow:0 4px 24px rgba(0,0,0,0.4);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}
::selection{background:var(--blue);color:#fff}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}

/* Accesibilidad: foco visible en navegación por teclado */
:focus-visible{outline:2px solid var(--blue-l);outline-offset:2px}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important}
}

/* ─── AUTH ─── */
#auth-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background:var(--bg);position:relative;overflow:hidden}
#auth-screen::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:700px;height:700px;background:radial-gradient(circle,rgba(37,99,235,0.07) 0%,transparent 70%);pointer-events:none}
.auth-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:2.5rem;width:100%;max-width:460px;box-shadow:var(--shadow);position:relative;z-index:1}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:2rem}
.auth-logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--blue),var(--blue-l));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 0 20px var(--blue-glow)}
.auth-logo h1{font-size:20px;font-weight:700;letter-spacing:-0.3px}
.auth-logo span{font-size:12px;color:var(--text2);display:block;font-family:'JetBrains Mono',monospace;font-weight:400}
.auth-tabs{display:flex;background:var(--bg3);border-radius:var(--r2);padding:3px;margin-bottom:1.5rem}
.auth-tab{flex:1;padding:8px;text-align:center;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text2);transition:all .15s}
.auth-tab.active{background:var(--blue);color:#fff}
.form-group{margin-bottom:1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem}
label{display:block;font-size:12px;font-weight:500;color:var(--text2);margin-bottom:5px;text-transform:uppercase;letter-spacing:0.04em}
input,select{width:100%;padding:10px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r2);color:var(--text);font-size:13px;font-family:'Inter',sans-serif;transition:border-color .15s;outline:none}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-glow)}
input::placeholder{color:var(--text3)}
select option{background:var(--bg3)}
.btn{padding:10px 20px;border-radius:var(--r2);border:none;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;font-family:'Inter',sans-serif;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-l);transform:translateY(-1px);box-shadow:0 4px 14px rgba(37,99,235,0.4)}
.btn-primary:active{transform:translateY(0)}
.btn-full{width:100%;justify-content:center}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--border2);color:var(--text)}
.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid rgba(239,68,68,0.3)}
.btn-danger:hover{background:var(--red);color:#fff}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-green{background:var(--green-bg);color:var(--green);border:1px solid rgba(16,185,129,0.3)}
.btn-green:hover{background:var(--green);color:#fff}
.btn:disabled{opacity:0.55;cursor:not-allowed;transform:none !important}
.divider{display:flex;align-items:center;gap:1rem;color:var(--text3);font-size:12px;margin:1rem 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.error-msg{background:var(--red-bg);border:1px solid rgba(239,68,68,0.3);border-radius:var(--r2);padding:10px 12px;font-size:13px;color:var(--red);margin-bottom:1rem;display:none}
.success-msg{background:var(--green-bg);border:1px solid rgba(16,185,129,0.3);border-radius:var(--r2);padding:10px 12px;font-size:13px;color:var(--green);margin-bottom:1rem;display:none}
.register-steps{display:flex;gap:4px;margin-bottom:1.5rem}
.step-dot{flex:1;height:3px;border-radius:2px;background:var(--border);transition:background .3s}
.step-dot.done{background:var(--blue)}
.step-label{font-size:11px;color:var(--text3);margin-bottom:0.75rem;font-family:'JetBrains Mono',monospace}

/* ─── APP LAYOUT ─── */
#app{display:none;flex-direction:column;min-height:100vh}
.topbar{background:var(--bg2);border-bottom:1px solid var(--border);padding:0 1.5rem;display:flex;align-items:center;gap:1rem;height:56px;position:sticky;top:0;z-index:50}
.topbar-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.topbar-logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--blue),var(--blue-l));border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.topbar-logo span{font-size:15px;font-weight:700;color:var(--text)}
.topbar-sep{font-size:20px;color:var(--border);margin:0 4px}
.topbar-nav{display:flex;gap:2px;flex:1;flex-wrap:wrap}
.nav-btn{padding:6px 14px;border-radius:var(--r2);border:none;background:transparent;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .15s;font-family:'Inter',sans-serif}
.nav-btn:hover{background:var(--bg3);color:var(--text)}
.nav-btn.active{background:var(--blue-glow);color:var(--blue-l);border:1px solid rgba(59,130,246,0.25)}
.topbar-right{display:flex;align-items:center;gap:0.75rem;margin-left:auto}
.user-chip{display:flex;align-items:center;gap:8px;padding:5px 10px;background:var(--bg3);border-radius:20px;border:1px solid var(--border)}
.user-avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#7C3AED);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}
.user-name{font-size:12px;font-weight:500}
.role-badge{font-size:10px;padding:2px 7px;border-radius:10px;font-family:'JetBrains Mono',monospace;font-weight:500}
.role-ceo{background:rgba(245,158,11,0.15);color:var(--yellow);border:1px solid rgba(245,158,11,0.25)}
.role-emp{background:var(--blue-glow);color:var(--blue-l);border:1px solid rgba(59,130,246,0.2)}
.main{flex:1;padding:1.5rem;max-width:1100px;margin:0 auto;width:100%}
.panel{display:none}.panel.active{display:block}

/* ─── CARDS ─── */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0.75rem;margin-bottom:1.5rem}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1rem 1.25rem}
.stat-num{font-size:26px;font-weight:700;font-family:'JetBrains Mono',monospace;margin-bottom:2px}
.stat-lbl{font-size:12px;color:var(--text2)}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;flex-wrap:wrap;gap:0.5rem}
.section-title{font-size:15px;font-weight:600}
.contract-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem;cursor:pointer;transition:all .15s;margin-bottom:0.75rem}
.contract-card:hover{border-color:var(--border2);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.contract-card.selected{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),var(--shadow)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;gap:0.5rem}
.card-title{font-size:15px;font-weight:600}
.badge{font-size:11px;padding:3px 10px;border-radius:20px;font-weight:600;white-space:nowrap;font-family:'JetBrains Mono',monospace}
.badge-pending{background:var(--yellow-bg);color:var(--yellow);border:1px solid rgba(245,158,11,0.3)}
.badge-signed{background:var(--green-bg);color:var(--green);border:1px solid rgba(16,185,129,0.3)}
.badge-required{background:var(--red-bg);color:var(--red);border:1px solid rgba(239,68,68,0.2)}
.badge-partial{background:var(--blue-glow);color:var(--blue-l);border:1px solid rgba(59,130,246,0.25)}
.card-desc{font-size:13px;color:var(--text2);margin-bottom:10px;line-height:1.5}
.card-meta{display:flex;gap:16px;font-size:12px;color:var(--text3);align-items:center;flex-wrap:wrap}
.progress-bar{height:3px;background:var(--border);border-radius:2px;margin-top:8px;overflow:hidden}
.progress-fill{height:100%;border-radius:2px;background:var(--blue);transition:width .4s}
.progress-fill.done{background:var(--green)}

/* ─── DETAIL VIEW ─── */
.detail-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem}
.detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:0.75rem}
.doc-body{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r2);padding:1.25rem;font-size:13px;line-height:1.9;max-height:360px;overflow-y:auto;margin-bottom:1.5rem;color:var(--text)}
.doc-body h2{font-size:16px;font-weight:700;text-align:center;margin:0.5rem 0 1rem;color:var(--text)}
.doc-body h3{font-size:13px;font-weight:600;margin:1rem 0 0.3rem;color:var(--blue-l);text-transform:uppercase;letter-spacing:0.04em}
.doc-body p{margin-bottom:0.5rem;color:var(--text2)}
.doc-body ul{padding-left:1.2rem;margin-bottom:0.5rem}
.doc-body li{margin-bottom:0.2rem;color:var(--text2)}
.doc-body strong{color:var(--text)}
.sig-section{border:1px solid var(--border);border-radius:var(--r);padding:1.25rem}
.sig-section-title{font-size:13px;font-weight:600;color:var(--text2);margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.04em}
.sig-grid{display:grid;gap:1rem}
.sig-grid-2{grid-template-columns:1fr 1fr}
.sig-grid-4{grid-template-columns:1fr 1fr}
.sig-block{border:1px solid var(--border);border-radius:var(--r2);padding:1rem;background:var(--bg3)}
.sig-block-label{font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:0.04em;margin-bottom:8px}
.sig-input{width:100%;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r2);color:var(--text);font-size:13px;margin-bottom:8px;font-family:'Inter',sans-serif;outline:none}
.sig-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-glow)}
.canvas-wrap{border:1px dashed var(--border2);border-radius:var(--r2);background:#fff;height:90px;position:relative;cursor:crosshair;overflow:hidden}
canvas{width:100%;height:100%;display:block;touch-action:none}
.sig-actions{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.signed-display{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.signed-check{width:22px;height:22px;border-radius:50%;background:var(--green-bg);border:1px solid var(--green);display:flex;align-items:center;justify-content:center;color:var(--green);font-size:12px;flex-shrink:0}
.signed-info{font-size:12px}
.signed-name{font-weight:600;color:var(--text);display:block}
.signed-date{color:var(--text3);font-size:11px;font-family:'JetBrains Mono',monospace}
.sig-img-preview{width:100%;height:70px;background:#fff;border-radius:4px;border:1px solid var(--border);object-fit:contain;padding:4px}
.detail-footer{display:flex;justify-content:space-between;align-items:center;margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border);flex-wrap:wrap;gap:0.75rem}

/* ─── TEAM VIEW ─── */
.team-table{width:100%;border-collapse:collapse}
.team-table th{text-align:left;font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:0.04em;padding:8px 12px;border-bottom:1px solid var(--border)}
.team-table td{padding:10px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
.team-table tr:last-child td{border-bottom:none}
.team-table tbody tr:hover td{background:rgba(255,255,255,0.02)}
.emp-cell{display:flex;align-items:center;gap:10px}
.emp-av{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#7C3AED);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.emp-name{font-weight:500}
.emp-role{font-size:11px;color:var(--text3);font-family:'JetBrains Mono',monospace}
.mini-badge{font-size:10px;padding:2px 8px;border-radius:10px;font-family:'JetBrains Mono',monospace;font-weight:500;white-space:nowrap}
.mini-signed{background:var(--green-bg);color:var(--green)}
.mini-pending{background:var(--red-bg);color:var(--red)}
.mini-partial{background:var(--blue-glow);color:var(--blue-l)}

/* ─── PDF PANEL ─── */
.pdf-grid{display:grid;gap:0.75rem}
.pdf-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.pdf-icon{width:40px;height:40px;background:var(--red-bg);border-radius:var(--r2);display:flex;align-items:center;justify-content:center;color:var(--red);font-size:20px;flex-shrink:0}
.pdf-info{flex:1;min-width:160px}
.pdf-title{font-weight:500;font-size:14px;margin-bottom:2px}
.pdf-meta{font-size:12px;color:var(--text3);font-family:'JetBrains Mono',monospace}
.pdf-actions{display:flex;gap:8px}

/* ─── PROFILE ─── */
.profile-wrap{max-width:620px}
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem}

/* ─── TOAST ─── */
.toast{position:fixed;bottom:24px;right:24px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:12px 18px;font-size:13px;display:none;z-index:1000;box-shadow:var(--shadow);max-width:340px;animation:slideUp .2s ease}
.toast.show{display:block}
@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.toast.success{border-color:rgba(16,185,129,0.4);color:var(--green)}
.toast.error{border-color:rgba(239,68,68,0.3);color:var(--red)}

/* ─── LOADING ─── */
.loading-overlay{position:fixed;inset:0;background:rgba(10,15,30,0.8);display:flex;align-items:center;justify-content:center;z-index:200;display:none}
.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--text2)}
.empty-state .es-icon{font-size:48px;margin-bottom:1rem;opacity:0.3}
.empty-state h3{font-size:16px;font-weight:600;margin-bottom:0.5rem;color:var(--text)}
.empty-state p{font-size:13px}

/* ─── RESPONSIVE ─── */
@media (max-width:860px){
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .profile-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .topbar{height:auto;padding:0.75rem 1rem;flex-wrap:wrap}
  .topbar-nav{order:3;width:100%}
  .form-row{grid-template-columns:1fr}
  .sig-grid-2,.sig-grid-4{grid-template-columns:1fr}
}