/* ═══════════════ BASE ═══════════════ */
:root{
  --bg:#0f1115; --panel:#161922; --panel2:#1d212c; --line:#272c38;
  --txt:#e7e9ee; --mut:#9aa1b2; --accent:#6366f1; --accent2:#8b5cf6;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --info:#38bdf8;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer;border:none}
input,textarea,select{font-family:inherit}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#2c3240;border-radius:8px}

/* ═══════════════ BOTONES / INPUTS ═══════════════ */
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:11px 18px;border-radius:10px;font-weight:600;font-size:14px;transition:.15s}
.btn-primary:hover{filter:brightness(1.1)}
.btn-primary.full{width:100%}
.btn-ghost{background:transparent;color:var(--mut);border:1px solid var(--line);padding:9px 14px;border-radius:10px;font-weight:500;font-size:13px;transition:.15s}
.btn-ghost:hover{color:var(--txt);border-color:#3a4150}
.btn-ghost.full{width:100%}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
label{display:block;font-size:12.5px;color:var(--mut);margin:14px 0 5px;font-weight:500}
input,textarea,select{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:11px 13px;border-radius:10px;font-size:14px;outline:none;transition:.15s}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:70px}

/* ═══════════════ LOGIN ═══════════════ */
.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(900px 500px at 50% -10%,rgba(99,102,241,.22),transparent),var(--bg)}
.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:36px 32px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.auth-logo{font-size:20px;font-weight:800;margin-bottom:22px;display:flex;align-items:center;gap:8px}
.auth-logo span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.auth-card h1{font-size:23px;font-weight:700}
.auth-sub{color:var(--mut);font-size:14px;margin-top:5px}
.auth-foot{color:var(--mut);font-size:12px;margin-top:18px;text-align:center;line-height:1.5}
.auth-msg{padding:10px 13px;border-radius:9px;font-size:13px;margin-top:14px}
.auth-msg.err{background:rgba(239,68,68,.12);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}
#login-btn{margin-top:22px}

/* ═══════════════ LAYOUT APP ═══════════════ */
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}
.brand{font-size:18px;font-weight:800;padding:6px 10px 20px;display:flex;align-items:center;gap:8px}
.brand span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-btn{display:flex;align-items:center;gap:11px;background:transparent;color:var(--mut);padding:11px 13px;border-radius:10px;font-size:14.5px;font-weight:500;text-align:left;transition:.15s}
.nav-btn:hover{background:var(--panel2);color:var(--txt)}
.nav-btn.active{background:linear-gradient(135deg,rgba(99,102,241,.22),rgba(139,92,246,.18));color:#fff}
.nav-btn .badge-n{margin-left:auto;background:var(--accent);color:#fff;font-size:11px;padding:1px 7px;border-radius:20px;font-weight:700}
.side-foot{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:10px}
.me{display:flex;align-items:center;gap:10px}
.me-info{display:flex;flex-direction:column;gap:2px;overflow:hidden}
.me-info strong{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff;flex-shrink:0}
.avatar.sm{width:28px;height:28px;font-size:11px}
.role-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;width:fit-content;letter-spacing:.4px}
.role-ceo{background:rgba(139,92,246,.2);color:#c4b5fd}
.role-emp{background:rgba(56,189,248,.16);color:#7dd3fc}

.main{flex:1;padding:30px 38px;overflow-y:auto;max-height:100vh;width:0}
.panel{animation:fade .25s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ═══════════════ ENCABEZADOS ═══════════════ */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:14px;flex-wrap:wrap}
.page-head h2{font-size:25px;font-weight:700}
.page-head p{color:var(--mut);font-size:14px;margin-top:3px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ═══════════════ CARDS / GRID ═══════════════ */
.grid{display:grid;gap:16px}
.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat .k{font-size:13px;color:var(--mut);font-weight:500}
.stat .v{font-size:30px;font-weight:800;margin-top:6px}
.stat .v.accent{color:#a5b4fc}

.section-title{font-size:16px;font-weight:700;margin:26px 0 14px}
.empty{color:var(--mut);font-size:14px;padding:30px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius)}

/* ═══════════════ PROYECTOS ═══════════════ */
.proj-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.proj-card{cursor:pointer;border-left:4px solid var(--accent);transition:.15s;position:relative}
.proj-card:hover{transform:translateY(-2px);border-color:#3a4150}
.proj-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.proj-card .desc{color:var(--mut);font-size:13px;line-height:1.5;min-height:38px}
.proj-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--mut)}
.chip{font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px}
.chip.activo{background:rgba(34,197,94,.16);color:#86efac}
.chip.pausado{background:rgba(245,158,11,.16);color:#fcd34d}
.chip.completado{background:rgba(154,161,178,.16);color:#cbd5e1}
.progress{height:7px;background:var(--panel2);border-radius:10px;overflow:hidden;margin-top:12px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}

/* ═══════════════ TABLERO TAREAS ═══════════════ */
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.col{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;min-height:120px}
.col-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-weight:700;font-size:14px}
.col-head .dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:8px}
.dot.todo{background:var(--mut)} .dot.doing{background:var(--info)} .dot.done{background:var(--ok)}
.col-count{background:var(--panel2);color:var(--mut);font-size:12px;padding:1px 9px;border-radius:20px;font-weight:600}
.tcard{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:10px;cursor:pointer;transition:.15s}
.tcard:hover{border-color:#3a4150}
.tcard .tt{font-weight:600;font-size:14px;line-height:1.35}
.tcard .tmeta{display:flex;align-items:center;gap:7px;margin-top:10px;flex-wrap:wrap}
.prio{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:6px}
.prio.alta{background:rgba(239,68,68,.18);color:#fca5a5}
.prio.media{background:rgba(245,158,11,.16);color:#fcd34d}
.prio.baja{background:rgba(56,189,248,.14);color:#7dd3fc}
.tcard .tag{font-size:10.5px;color:var(--mut);background:var(--panel);padding:2px 8px;border-radius:6px;border:1px solid var(--line)}
.assignee{display:flex;align-items:center;gap:5px;margin-left:auto;font-size:11.5px;color:var(--mut)}
.checkmini{font-size:11px;color:var(--mut)}

/* ═══════════════ CHAT ═══════════════ */
.chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 60px)}
.chat-channels{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.ch-btn{background:var(--panel);border:1px solid var(--line);color:var(--mut);padding:7px 14px;border-radius:20px;font-size:13px;font-weight:500}
.ch-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.chat-box{flex:1;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:14px}
.msg{display:flex;gap:11px;max-width:78%}
.msg .body{background:var(--panel2);padding:9px 13px;border-radius:4px 12px 12px 12px;font-size:14px;line-height:1.45}
.msg .who{font-size:11.5px;color:var(--mut);margin-bottom:3px;font-weight:600}
.msg.mine{flex-direction:row-reverse;align-self:flex-end}
.msg.mine .body{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-radius:12px 4px 12px 12px}
.msg.mine .who{text-align:right}
.msg .time{font-size:10px;opacity:.7;margin-top:4px}
.chat-input{display:flex;gap:10px;margin-top:14px}
.chat-input input{flex:1}

/* ═══════════════ NOVEDADES ═══════════════ */
.news-filters{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.news-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.news-card{position:relative}
.cat{font-size:10.5px;font-weight:700;padding:3px 10px;border-radius:20px;letter-spacing:.3px}
.cat.modelo_ia{background:rgba(139,92,246,.18);color:#c4b5fd}
.cat.tecnologia{background:rgba(56,189,248,.16);color:#7dd3fc}
.cat.subvencion{background:rgba(34,197,94,.16);color:#86efac}
.cat.resumen{background:rgba(245,158,11,.16);color:#fcd34d}
.cat.aviso{background:rgba(239,68,68,.16);color:#fca5a5}
.news-card h3{font-size:16px;font-weight:700;margin:12px 0 8px;line-height:1.35}
.news-card .sum{color:var(--mut);font-size:13.5px;line-height:1.55}
.news-card .nfoot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--mut)}
.pin{position:absolute;top:14px;right:14px;font-size:13px}

/* ═══════════════ MODAL ═══════════════ */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;animation:fade .2s}
.modal h3{font-size:19px;font-weight:700;margin-bottom:4px}
.modal .msub{color:var(--mut);font-size:13px;margin-bottom:8px}
.modal-actions{display:flex;gap:10px;margin-top:22px}
.modal-actions .btn-primary{flex:1}
.close-x{position:absolute}
.field-row{display:flex;gap:12px}
.field-row > div{flex:1}

/* checklist en modal */
.cl-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.cl-item input[type=checkbox]{width:18px;height:18px;flex-shrink:0;accent-color:var(--accent);cursor:pointer}
.cl-item span{flex:1;font-size:14px}
.cl-item span.done{text-decoration:line-through;color:var(--mut)}
.cl-del{color:var(--mut);background:none;font-size:16px;padding:2px 6px}
.cl-add{display:flex;gap:8px;margin-top:12px}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:12px 20px;border-radius:11px;font-size:14px;font-weight:500;box-shadow:0 12px 40px rgba(0,0,0,.5);opacity:0;transition:.3s;z-index:99}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.ok{border-color:rgba(34,197,94,.4)} .toast.err{border-color:rgba(239,68,68,.4)}

/* responsive */
@media(max-width:860px){
  .sidebar{width:68px;padding:16px 8px}
  .brand span,.nav-btn span,.me-info,.side-foot .btn-ghost{display:none}
  .nav-btn{justify-content:center}
  .main{padding:20px 16px}
  .board{grid-template-columns:1fr}
  .field-row{flex-direction:column}
}