/* ============================================================
   app.telfo.com — Estilos principales
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

/* ── Reset y base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --font-sans:  'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:  'DM Mono', 'Fira Code', monospace;

  --color-bg:         #f7f6f2;
  --color-surface:    #ffffff;
  --color-border:     rgba(0,0,0,.09);
  --color-border-md:  rgba(0,0,0,.15);

  --color-text-1:     #111111;
  --color-text-2:     #555555;
  --color-text-3:     #999999;

  --color-accent:     #1a1a2e;
  --color-accent-rgb: 26,26,46;

  --color-success-bg: #eaf3de;
  --color-success:    #3b6d11;
  --color-warning-bg: #faeeda;
  --color-warning:    #854f0b;
  --color-danger-bg:  #fcebeb;
  --color-danger:     #a32d2d;
  --color-info-bg:    #e6f1fb;
  --color-info:       #185fa5;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  18px;

  --sidebar-w:  224px;
  --topbar-h:   52px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08);

  --transition: .15s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-1);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-sans); }
img { max-width: 100%; display: block; }

/* ── Layout shell ─────────────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  background: var(--color-surface);
  border-right: 0.5px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 18px 20px 16px;
  border-bottom: 0.5px solid var(--color-border);
  flex-shrink: 0;
}
.logo-mark {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -.5px;
  color: var(--color-accent);
}
.logo-sub {
  font-size: 10px;
  color: var(--color-text-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 3px;
}

.sidebar-nav { padding: 10px 8px; flex: 1; overflow-y: auto; }
.nav-group-label {
  font-size: 10px;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 10px 12px 4px;
  display: block;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  color: var(--color-text-2);
  transition: all var(--transition);
  margin-bottom: 1px;
  position: relative;
}
.nav-item:hover { background: var(--color-bg); color: var(--color-text-1); }
.nav-item.active {
  background: var(--color-bg);
  color: var(--color-text-1);
  font-weight: 500;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 2.5px;
  background: var(--color-accent);
  border-radius: 0 2px 2px 0;
}
.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; opacity: .65; }
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--color-info-bg);
  color: var(--color-info);
  font-size: 10px;
  font-weight: 500;
  padding: 1px 7px;
  border-radius: 20px;
}

.sidebar-footer {
  padding: 10px 8px 12px;
  border-top: 0.5px solid var(--color-border);
  flex-shrink: 0;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.user-chip:hover { background: var(--color-bg); }
.avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 500;
  flex-shrink: 0;
}

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
  grid-area: topbar;
  background: var(--color-surface);
  border-bottom: 0.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-title { font-size: 14px; font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

/* Menú hamburguesa (solo mobile) */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-1);
}
.menu-toggle:hover { background: var(--color-bg); }

/* ── Main content ─────────────────────────────────────────── */
.main {
  grid-area: main;
  padding: 24px;
  overflow-x: hidden;
}

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: var(--font-sans);
  font-weight: 400;
  border: 0.5px solid var(--color-border-md);
  background: transparent;
  color: var(--color-text-1);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--color-bg); }
.btn:active { transform: scale(.98); }
.btn svg { width: 13px; height: 13px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover { opacity: .88; background: var(--color-accent); }

.btn-danger {
  color: var(--color-danger);
  border-color: rgba(163,45,45,.2);
}
.btn-danger:hover { background: var(--color-danger-bg); }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon {
  padding: 6px;
  aspect-ratio: 1;
  justify-content: center;
}

/* ── Formularios ──────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--color-border-md);
  background: var(--color-surface);
  color: var(--color-text-1);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), .08);
}
.form-control::placeholder { color: var(--color-text-3); }
textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.6; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23999' stroke-width='1.5'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; padding-right: 32px; }
.form-hint { font-size: 11px; color: var(--color-text-3); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--color-danger); margin-top: 4px; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.card-sm { padding: 16px; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 0.5px solid var(--color-border);
}
.card-title { font-size: 14px; font-weight: 500; }

/* ── Stats grid ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
}
.stat-label { font-size: 12px; color: var(--color-text-3); margin-bottom: 6px; }
.stat-value {
  font-size: 24px;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: -1px;
  line-height: 1.1;
}
.stat-delta { font-size: 11px; color: var(--color-success); margin-top: 5px; }
.stat-delta.neutral { color: var(--color-text-3); }

/* ── Tabla ────────────────────────────────────────────────── */
.table-wrap {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 560px;
}
thead th {
  padding: 11px 16px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: .6px;
  border-bottom: 0.5px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}
tbody tr {
  border-bottom: 0.5px solid var(--color-border);
  transition: background var(--transition);
  cursor: pointer;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); }
tbody td { padding: 12px 16px; vertical-align: middle; }

.cell-name { font-weight: 500; }
.cell-sub  { font-size: 11px; color: var(--color-text-3); font-family: var(--font-mono); margin-top: 2px; }
.cell-actions { display: flex; gap: 4px; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.badge-active   { background: var(--color-success-bg); color: var(--color-success); }
.badge-setup    { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-paused   { background: var(--color-bg); color: var(--color-text-3); }
.badge-canceled { background: var(--color-danger-bg); color: var(--color-danger); }

.model-tag {
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--color-text-2);
  display: flex;
  align-items: center;
  gap: 5px;
}
.model-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot-claude { background: #D4A27F; }
.dot-gpt    { background: #74AA9C; }
.dot-gemini { background: #4285F4; }
.dot-local  { background: #999; }

/* ── Alertas ──────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: 16px;
  border: 0.5px solid transparent;
}
.alert-danger  { background: var(--color-danger-bg); color: var(--color-danger); border-color: rgba(163,45,45,.2); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: rgba(59,109,17,.2); }
.alert-info    { background: var(--color-info-bg); color: var(--color-info); border-color: rgba(24,95,165,.2); }

/* ── Snippet de código ────────────────────────────────────── */
.snippet {
  background: var(--color-bg);
  border: 0.5px solid var(--color-border-md);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-2);
  word-break: break-all;
  line-height: 1.7;
  position: relative;
}
.snippet-copy {
  position: absolute;
  top: 10px; right: 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--color-info);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* ── Widget preview ───────────────────────────────────────── */
.widget-preview {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 0.5px solid var(--color-border);
}
.chat-widget {
  background: var(--color-surface);
  border-radius: 14px;
  border: 0.5px solid var(--color-border-md);
  overflow: hidden;
  font-size: 13px;
  box-shadow: var(--shadow-md);
  max-width: 320px;
  margin: 0 auto;
}
.chat-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.15);
  font-size: 16px;
  flex-shrink: 0;
}
.chat-name  { font-size: 13.5px; font-weight: 500; color: #fff; }
.chat-status { font-size: 11px; color: rgba(255,255,255,.7); margin-top: 1px; }
.chat-messages {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-bg);
  min-height: 200px;
}
.msg {
  max-width: 85%;
  padding: 8px 11px;
  border-radius: 11px;
  font-size: 12.5px;
  line-height: 1.5;
}
.msg-bot  { background: var(--color-surface); align-self: flex-start; border-bottom-left-radius: 3px; }
.msg-user { align-self: flex-end; color: #fff; border-bottom-right-radius: 3px; }
.chat-input-row {
  padding: 10px 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  border-top: 0.5px solid var(--color-border);
}
.chat-input {
  flex: 1;
  border: 0.5px solid var(--color-border-md);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-1);
  outline: none;
}
.chat-send {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: none;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-send svg { width: 13px; height: 13px; }

/* ── Modelo selector ──────────────────────────────────────── */
.model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.model-opt {
  border: 0.5px solid var(--color-border-md);
  border-radius: var(--radius-md);
  padding: 11px 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.model-opt:hover { border-color: var(--color-accent); }
.model-opt.selected {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), .04);
}
.model-opt-name { font-size: 12.5px; font-weight: 500; display: flex; align-items: center; gap: 5px; }
.model-opt-sub  { font-size: 11px; color: var(--color-text-3); margin-top: 3px; }

/* ── Color swatches ───────────────────────────────────────── */
.color-swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 28px; height: 28px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  flex-shrink: 0;
}
.color-swatch:hover  { transform: scale(1.1); }
.color-swatch.active { border-color: var(--color-text-1); }

/* ── Sección header ───────────────────────────────────────── */
.section-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-title { font-size: 14px; font-weight: 500; }

/* ── Login page ───────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--color-bg);
}
.login-box {
  width: 100%;
  max-width: 400px;
}
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.login-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}
.login-sub {
  font-size: 13px;
  color: var(--color-text-2);
  margin-bottom: 24px;
}
.otp-inputs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 20px 0;
}
.otp-input {
  width: 44px; height: 52px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--color-border-md);
  background: var(--color-surface);
  text-align: center;
  font-size: 22px;
  font-family: var(--font-mono);
  font-weight: 500;
  outline: none;
  transition: border-color var(--transition);
}
.otp-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), .1);
}

/* ── Overlay sidebar mobile ───────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  z-index: 99;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }

  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: var(--sidebar-w);
    transform: translateX(-100%);
    z-index: 200;
    box-shadow: var(--shadow-md);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }

  .menu-toggle { display: flex; }
  .topbar { padding: 0 16px; }
  .main { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-value { font-size: 20px; }
  .topbar-right .btn span { display: none; }
  .login-card { padding: 24px 20px; }
  .otp-input { width: 38px; height: 46px; font-size: 18px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
  .model-grid  { grid-template-columns: 1fr; }
}

/* ── Utilidades ───────────────────────────────────────────── */
.mt-0  { margin-top: 0; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-muted   { color: var(--color-text-3); }
.text-sm      { font-size: 12px; }
.text-mono    { font-family: var(--font-mono); }
.text-center  { text-align: center; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.gap-8        { gap: 8px; }
.gap-12       { gap: 12px; }
.flex-1       { flex: 1; }
.w-full       { width: 100%; }