:root {
  --bg: #0c1018;
  --bg-alt: #121826;
  --bg-card: #18202f;
  --bg-elev: #1c2536;
  --text: #e8ebf1;
  --text-muted: #9aa6b8;
  --gold: #d4af37;
  --gold-dark: #b8941f;
  --green: #2ecc71;
  --red: #e0533d;
  --amber: #e0a93d;
  --blue: #4f8cff;
  --border: #2c3a4d;
  --app-bar-bg: rgba(12,16,24,0.95);
  --scroll-thumb: #2a3547;
  --shadow-card: 0 14px 30px rgba(0,0,0,0.35);
  --font-head: 'Playfair Display', serif;
  --font: 'Inter', system-ui, sans-serif;
  --r: 12px;
  --t: 0.2s ease;
}

/* ====== MODO DÍA (claro) ====== */
[data-theme="light"] {
  --bg: #eef1f6;
  --bg-alt: #e6eaf1;
  --bg-card: #ffffff;
  --bg-elev: #f5f7fb;
  --text: #18212e;
  --text-muted: #54606f;
  --gold: #a87d18;
  --gold-dark: #8a6512;
  --border: #d6dde9;
  --app-bar-bg: rgba(255,255,255,0.96);
  --scroll-thumb: #b9c2d2;
  --shadow-card: 0 10px 26px rgba(28,40,64,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); transition: background-color var(--t); }
body {
  font-family: var(--font); color: var(--text); line-height: 1.5;
  background: transparent;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* Fondo ambiental dinámico (noche por defecto) */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(79,140,255,0.07), transparent 60%),
    radial-gradient(800px 600px at 100% 0%, rgba(212,175,55,0.05), transparent 55%),
    radial-gradient(700px 700px at 50% 120%, rgba(46,204,113,0.04), transparent 60%);
  transition: background 0.6s ease, opacity 0.6s ease;
  animation: ambientFloat 22s ease-in-out infinite alternate;
}
/* Fondo ambiental de día (más cálido y luminoso) */
[data-theme="light"] body::before {
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(255,190,80,0.10), transparent 60%),
    radial-gradient(800px 600px at 100% 0%, rgba(79,140,255,0.06), transparent 55%),
    radial-gradient(700px 700px at 50% 120%, rgba(176,134,32,0.05), transparent 60%);
}
@keyframes ambientFloat {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(0,-18px,0) scale(1.04); }
}
body, .app-bar, .pane, .stat, .modal, .chip, .iconbtn, .client-item, .notif-panel {
  transition: background-color var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 6px; }

/* APP BAR */
.app-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  background: var(--app-bar-bg); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.brand svg { width: 26px; height: 26px; color: var(--gold); }
.brand span { color: var(--gold); }
.app-bar .search {
  flex: 1; max-width: 360px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  padding: 10px 14px; border-radius: 50px; font-size: 0.9rem;
}
.app-bar .search:focus { outline: none; border-color: var(--gold); }
.spacer { flex: 1; }
.iconbtn {
  position: relative;
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  transition: var(--t);
}
.iconbtn:hover { border-color: var(--gold); color: var(--gold); }
.iconbtn svg { width: 20px; height: 20px; }
.badge {
  position: absolute; top: -6px; right: -6px;
  min-width: 18px; height: 18px; padding: 0 5px;
  background: var(--red); color: #fff; font-size: 0.7rem; font-weight: 700;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.9rem; transition: var(--t);
}
.btn svg { width: 18px; height: 18px; }
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #1a1505; }
.btn-gold:hover { transform: translateY(-1px); }
.btn-ghost { background: var(--bg-card); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger { background: transparent; border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 7px 12px; font-size: 0.82rem; border-radius: 8px; }

/* STATS */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding: 18px 22px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 16px 18px; }
.stat .v { font-family: var(--font-head); font-size: 1.7rem; font-weight: 700; color: var(--gold); }
.stat .l { font-size: 0.8rem; color: var(--text-muted); }

/* LAYOUT */
.layout { display: grid; grid-template-columns: 380px 1fr; gap: 18px; padding: 0 22px 30px; align-items: start; }
.pane { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); }
.pane-head { padding: 16px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.pane-head h2 { font-family: var(--font-head); font-size: 1.15rem; }

/* FILTERS */
.filters { display: flex; gap: 6px; padding: 12px 16px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.chip {
  padding: 6px 12px; border-radius: 50px; font-size: 0.78rem;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-muted);
}
.chip.active { background: var(--gold); color: #1a1505; border-color: var(--gold); font-weight: 600; }

/* CLIENT LIST */
.client-list { max-height: 62vh; overflow-y: auto; }
.client-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border); cursor: pointer; transition: var(--t);
}
.client-item:hover { background: var(--bg-elev); }
.client-item.active { background: var(--bg-elev); box-shadow: inset 3px 0 0 var(--gold); }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #1a1505;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-family: var(--font-head);
}
.client-item .ci-main { flex: 1; min-width: 0; }
.client-item .ci-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.client-item .ci-sub { font-size: 0.8rem; color: var(--text-muted); }
.status {
  font-size: 0.7rem; font-weight: 700; padding: 3px 9px; border-radius: 50px; white-space: nowrap;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.s-nuevo { background: rgba(79,140,255,0.15); color: #6ea0ff; }
.s-activo { background: rgba(46,204,113,0.15); color: var(--green); }
.s-revision { background: rgba(224,169,61,0.15); color: var(--amber); }
.s-completado { background: rgba(212,175,55,0.18); color: var(--gold); }
.s-pausado { background: rgba(154,166,184,0.15); color: var(--text-muted); }

/* DETAIL */
.empty { padding: 80px 30px; text-align: center; color: var(--text-muted); }
.empty svg { width: 60px; height: 60px; opacity: 0.3; margin-bottom: 16px; }
.detail-head { padding: 22px; border-bottom: 1px solid var(--border); }
.detail-top { display: flex; align-items: center; gap: 16px; }
.detail-top .avatar { width: 56px; height: 56px; font-size: 1.3rem; }
.detail-top h2 { font-family: var(--font-head); font-size: 1.5rem; }
.detail-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 6px; font-size: 0.85rem; color: var(--text-muted); }
.detail-meta a { color: var(--text-muted); }
.detail-meta a:hover { color: var(--gold); }
.detail-actions { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }

/* SCORE */
.score-wrap { display: flex; gap: 20px; padding: 18px 22px; flex-wrap: wrap; }
.score-box { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 14px 20px; }
.score-box .sl { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.score-box .sv { font-family: var(--font-head); font-size: 2rem; font-weight: 700; }
.score-box.gain .sv { color: var(--green); }

/* TIMELINE */
.tl-section { padding: 6px 22px 24px; }
.tl-section h3 { font-family: var(--font-head); font-size: 1.2rem; margin: 16px 0; }
.advance-form { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 22px; }
.advance-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.advance-form input, .advance-form select, .advance-form textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; font-size: 0.88rem;
}
.advance-form textarea { resize: vertical; min-height: 60px; }
.advance-form label { font-size: 0.75rem; color: var(--text-muted); display: block; margin-bottom: 4px; }

.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 4px; bottom: 4px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding: 0 0 22px 0; }
.tl-item::before {
  content: ''; position: absolute; left: -26px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--bg-card);
}
.tl-item.has-follow::before { background: var(--amber); }
.tl-date { font-size: 0.78rem; color: var(--text-muted); }
.tl-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin-top: 6px; }
.tl-type { display: inline-block; font-size: 0.72rem; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.tl-text { font-size: 0.92rem; color: var(--text); }
.tl-follow {
  margin-top: 10px; font-size: 0.82rem; color: var(--amber);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.tl-follow.done { color: var(--green); }
.tl-acts { display: flex; gap: 8px; margin-top: 12px; }
.linkbtn { background: none; border: none; color: var(--text-muted); font-size: 0.8rem; padding: 0; }
.linkbtn:hover { color: var(--gold); }
.linkbtn.danger:hover { color: var(--red); }

/* NOTIF PANEL */
.notif-panel {
  position: fixed; top: 70px; right: 22px; width: 360px; max-height: 70vh; overflow-y: auto;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5); z-index: 60; display: none;
}
.notif-panel.open { display: block; }
.notif-panel h3 { padding: 16px; border-bottom: 1px solid var(--border); font-family: var(--font-head); font-size: 1.1rem; }
.notif-item { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.87rem; }
.notif-item .ni-when { font-size: 0.75rem; color: var(--amber); }
.notif-item.recent .ni-when { color: var(--text-muted); }
.notif-empty { padding: 30px 16px; text-align: center; color: var(--text-muted); font-size: 0.9rem; }
.notif-cta { padding: 14px 16px; }

/* MODAL */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-bg.open { display: flex; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); width: 100%; max-width: 480px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.modal h3 { padding: 20px; border-bottom: 1px solid var(--border); font-family: var(--font-head); font-size: 1.3rem; }
.modal-body { padding: 20px; }
.modal-body label { font-size: 0.78rem; color: var(--text-muted); display: block; margin: 12px 0 5px; }
.modal-body input, .modal-body select, .modal-body textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 11px 13px; border-radius: 8px; font-size: 0.9rem;
}
.modal-body textarea { resize: vertical; min-height: 60px; }
.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-foot { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev); border: 1px solid var(--gold); color: var(--text);
  padding: 13px 22px; border-radius: 10px; font-size: 0.9rem; opacity: 0;
  transition: all 0.3s ease; z-index: 200; box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ====== TOQUES DINÁMICOS ====== */

/* Icono sol/luna del toggle */
.theme-toggle { position: relative; }
.theme-toggle svg { position: absolute; inset: 0; margin: auto; width: 20px; height: 20px; transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.3s ease; }
.theme-toggle .ico-sun { opacity: 0; transform: rotate(-90deg) scale(0.4); }
.theme-toggle .ico-moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .ico-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .ico-moon { opacity: 0; transform: rotate(90deg) scale(0.4); }
.theme-toggle:hover { color: var(--gold); border-color: var(--gold); }

/* Entrada escalonada de tarjetas de estadística */
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.stat { animation: riseIn 0.5s both; }
.stat:nth-child(1) { animation-delay: 0.04s; }
.stat:nth-child(2) { animation-delay: 0.10s; }
.stat:nth-child(3) { animation-delay: 0.16s; }
.stat:nth-child(4) { animation-delay: 0.22s; }
.stat { transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: var(--gold); }
.stat .v { transition: color var(--t); }

/* Entrada de items de la lista de clientes */
@keyframes slideIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }
.client-item { animation: slideIn 0.35s both; }
.client-list .client-item:nth-child(1) { animation-delay: 0.02s; }
.client-list .client-item:nth-child(2) { animation-delay: 0.06s; }
.client-list .client-item:nth-child(3) { animation-delay: 0.10s; }
.client-list .client-item:nth-child(4) { animation-delay: 0.14s; }
.client-list .client-item:nth-child(n+5) { animation-delay: 0.18s; }
.client-item:hover .avatar { transform: scale(1.08) rotate(-3deg); }
.avatar { transition: transform var(--t); }

/* Entrada del panel de detalle */
#detail > * { animation: riseIn 0.45s both; }

/* Brillo deslizante en el botón dorado */
.btn-gold { position: relative; overflow: hidden; }
.btn-gold::after {
  content: ''; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-18deg); transition: left 0.6s ease;
}
.btn-gold:hover::after { left: 130%; }

/* Pulso del badge de notificaciones */
@keyframes badgePulse { 0%,100% { box-shadow: 0 0 0 0 rgba(224,83,61,0.55); } 50% { box-shadow: 0 0 0 6px rgba(224,83,61,0); } }
.badge { animation: badgePulse 2s ease-out infinite; }

/* Toggle de chips de filtro con realce */
.chip { transition: var(--t), transform 0.15s ease; }
.chip:hover { transform: translateY(-1px); border-color: var(--gold); }

/* Aparición suave del toast con escala */
.toast.show { animation: riseIn 0.3s both; }

/* Respeta a quien prefiere menos movimiento */
@media (prefers-reduced-motion: reduce) {
  *, body::before { animation: none !important; transition: none !important; }
}

@media (max-width: 860px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .layout { grid-template-columns: 1fr; }
  .notif-panel { width: calc(100vw - 44px); }
  /* En móvil: sin animación del fondo ni blur (evita el parpadeo/"cacharreo") */
  body::before { animation: none; }
  .app-bar { backdrop-filter: none; -webkit-backdrop-filter: none; }
}

/* Barra superior ordenada en pantallas angostas */
@media (max-width: 620px) {
  .app-bar { padding: 12px 14px; gap: 8px; }
  .app-bar .search { order: 5; flex: 1 1 100%; max-width: none; }
  .spacer { display: none; }
  .iconbtn { width: 40px; height: 40px; }
  .brand { font-size: 1.05rem; }
  .btn-gold { padding: 10px 14px; font-size: 0.85rem; }
  .stats { padding: 14px; gap: 10px; }
  .layout { padding: 0 14px 24px; }
}

/* Teléfonos muy pequeños: una sola columna de stats */
@media (max-width: 380px) {
  .stats { grid-template-columns: 1fr; }
}