/* =========================================================
   Panel de Herramientas — estilos
   Paleta: azul marca (#1a3a6b / #2f6fed) + blanco
   Tipografía: Space Grotesk (display) + Inter (texto) + IBM Plex Mono (datos/firma)
   ========================================================= */

:root{
  --navy: #0d1b34;
  --blue-deep: #1a3a6b;
  --blue: #2f6fed;
  --blue-soft: #dce7fb;
  --blue-pale: #f4f7fd;
  --white: #ffffff;
  --ink: #10203a;
  --ink-soft: #52628a;
  --line: #e1e8f7;
  --danger: #d64545;
  --ok: #1f9d63;
  --rust: #d97757; /* acento cálido solo para la estrella de la firma, la paleta del proyecto es azul/blanco */

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 12px;
  --shadow: 0 8px 24px rgba(16, 32, 58, 0.08);
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
  background: var(--blue-pale);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

a{ color: var(--blue); }

button{
  font-family: var(--font-body);
  cursor: pointer;
}

.sr-only{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

/* ---------- Layout general ---------- */

.app{
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* ---------- Barra lateral ---------- */

.sidebar{
  background: var(--navy);
  color: var(--blue-soft);
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand-header{
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-header img{
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
}

.brand-header .brand-title{
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--white);
  line-height: 1.15;
}

.brand-header .brand-title small{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(220, 231, 251, 0.55);
  letter-spacing: 0.04em;
}

nav.tools{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

nav.tools button{
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: rgba(220, 231, 251, 0.75);
  text-align: left;
  font-size: 0.92rem;
  transition: background 0.15s, color 0.15s;
}

nav.tools button .tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 6px;
  border-radius: 5px;
  background: rgba(47, 111, 237, 0.18);
  color: #9db8f2;
  min-width: 42px;
  text-align: center;
  flex-shrink: 0;
}

nav.tools button:hover{
  background: rgba(255,255,255,0.06);
  color: var(--white);
}

nav.tools button.active{
  background: var(--blue);
  color: var(--white);
}

nav.tools button.active .tag{
  background: rgba(255,255,255,0.2);
  color: var(--white);
}

.sidebar-footer{
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: rgba(220, 231, 251, 0.4);
}

.sidebar-footer a{
  color: rgba(220, 231, 251, 0.6);
  text-decoration: none;
  border-bottom: 1px solid rgba(220, 231, 251, 0.25);
}

/* ---------- Panel principal ---------- */

.main{
  padding: 32px 40px 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.terminal-strip{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-strip .prompt{ color: var(--blue); }
.terminal-strip .cursor{
  display: inline-block;
  width: 7px; height: 14px;
  background: var(--blue);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink{
  50% { opacity: 0; }
}

.panel{
  display: none;
  flex: 1;
  animation: fade-in 0.25s ease;
}

.panel.active{ display: block; }

@keyframes fade-in{
  from{ opacity: 0; transform: translateY(4px); }
  to{ opacity: 1; transform: translateY(0); }
}

.panel h1{
  font-family: var(--font-display);
  font-size: 1.9rem;
  margin: 0 0 6px;
  color: var(--blue-deep);
}

.panel p.lead{
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 60ch;
}

.crud-tag{
  display: inline-block;
  vertical-align: middle;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 3px 8px;
  border-radius: 6px;
  margin-left: 8px;
  letter-spacing: 0.03em;
}

.callout{
  background: var(--blue-soft);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--ink);
  margin-bottom: 28px;
  max-width: 62ch;
  line-height: 1.6;
}

.callout strong{ color: var(--blue-deep); }

.card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card + .card{ margin-top: 20px; }

.grid-2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label{
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 14px 0 6px;
}

label:first-child{ margin-top: 0; }

input[type="text"],
input[type="number"],
input[type="email"]{
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--blue-pale);
}

input:focus{
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 18px;
}

.btn-primary{ background: var(--blue); color: var(--white); }
.btn-primary:hover{ background: var(--blue-deep); }

.btn-danger{ background: transparent; color: var(--danger); border: 1px solid rgba(214,69,69,0.3); }
.btn-danger:hover{ background: rgba(214,69,69,0.08); }

.btn-ghost{ background: transparent; color: var(--blue-deep); border: 1px solid var(--line); }
.btn-ghost:hover{ background: var(--blue-soft); }

.msg{
  margin-top: 14px;
  font-size: 0.85rem;
  padding: 10px 12px;
  border-radius: 8px;
}

.msg.ok{ background: rgba(31,157,99,0.1); color: var(--ok); }
.msg.error{ background: rgba(214,69,69,0.1); color: var(--danger); }
.msg:empty{ display: none; }

table{
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.9rem;
}

th, td{
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

th{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

td.num, th.num{ text-align: right; font-family: var(--font-mono); }

.row-actions{
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.row-actions button{
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: 6px;
}

.row-actions button:hover{ background: var(--blue-soft); color: var(--blue-deep); }
.row-actions button.del:hover{ background: rgba(214,69,69,0.1); color: var(--danger); }

.empty-state{
  padding: 24px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  margin-top: 12px;
}

.stat-row{
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 140px;
  box-shadow: var(--shadow);
}

.stat .label{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .value{
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--blue-deep);
  margin-top: 4px;
}

.result-big{
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--blue-deep);
  margin-top: 16px;
}

.badge{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 6px;
}

.badge.ok{ background: rgba(31,157,99,0.12); color: var(--ok); }
.badge.no{ background: rgba(214,69,69,0.1); color: var(--danger); }

/* ---------- Home ---------- */

.tool-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tool-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: left;
  border: 1px solid var(--line);
}

.tool-card .tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 3px 7px;
  border-radius: 5px;
}

.tool-card h3{
  font-family: var(--font-display);
  margin: 10px 0 6px;
  color: var(--blue-deep);
}

.tool-card p{
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Firma de marca ---------- */

.brand-mark{ text-align:center; pointer-events:none; margin-top: 40px; padding-top: 20px; }
.brand-mark .brand-sig{ display:flex; align-items:center; justify-content:center; gap:6px; font-family:'IBM Plex Mono',monospace; font-size:9px; letter-spacing:0.03em; color:rgba(16,32,58,0.45); }
.brand-mark .brand-icon{width:14px; height:14px; border-radius:50%; flex-shrink:0;}
.brand-mark .brand-sig a{ color:rgba(16,32,58,0.7); pointer-events:auto; text-decoration:none; border-bottom:1px solid rgba(16,32,58,0.25); }
.brand-mark .claude-star{color:var(--rust); font-size:14px; display:inline-block;}
.brand-mark .brand-inspired{ margin-top:1px; font-family:'IBM Plex Mono',monospace; font-size:8.5px; color:rgba(16,32,58,0.3); }
.brand-mark .brand-inspired a{ color:rgba(16,32,58,0.45); pointer-events:auto; text-decoration:none; border-bottom:1px solid rgba(16,32,58,0.15); }
.brand-mark .brand-inspired a:hover{color:rgba(16,32,58,0.75);}

/* ---------- Responsive ---------- */

@media (max-width: 900px){
  .app{ grid-template-columns: 1fr; }

  .sidebar{
    flex-direction: row;
    align-items: center;
    padding: 14px 16px;
    overflow-x: auto;
    gap: 18px;
  }

  .brand-header{ flex-shrink: 0; }
  .brand-header .brand-title small{ display: none; }

  nav.tools{
    flex-direction: row;
    gap: 6px;
  }

  nav.tools button{
    flex-direction: column;
    gap: 4px;
    padding: 8px 10px;
    white-space: nowrap;
  }

  .sidebar-footer{ display: none; }

  .main{ padding: 20px; }

  .grid-2, .tool-grid{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}