/* ============================================================
   FINANTU - Sistema de diseño compartido
   ============================================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#060608;
  --surface:#0e0e14;
  --surface-2:#14141e;
  --surface-3:#1a1a28;
  --border:#1c1c2e;
  --border-2:#2a2a40;
  --text:#e8e8f0;
  --text-2:#a0a0b8;
  --text-3:#5a5a72;

  --green:#00d4aa;
  --green-dim:rgba(0,212,170,0.1);
  --green-glow:rgba(0,212,170,0.15);
  --red:#ff4d6a;
  --red-dim:rgba(255,77,106,0.1);
  --red-glow:rgba(255,77,106,0.15);
  --blue:#4d8aff;
  --blue-dim:rgba(77,138,255,0.1);
  --amber:#f59e0b;
  --amber-dim:rgba(245,158,11,0.1);
  --purple:#a855f7;
  --purple-dim:rgba(168,85,247,0.1);

  --mono:'DM Mono',monospace;
  --sans:'Satoshi',-apple-system,BlinkMacSystemFont,sans-serif;

  --radius:14px;
  --radius-sm:10px;
  --radius-xs:7px;
}

body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;height:56px;
  background:rgba(6,6,8,0.88);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border);
}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-back{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-3);text-decoration:none;
  font-family:var(--mono);font-size:12px;
  transition:color .15s;
}
.topbar-back:hover{color:var(--text)}
.topbar-back svg{width:16px;height:16px}
.topbar-title{font-weight:700;font-size:16px;letter-spacing:-.4px}
.topbar-right{display:flex;align-items:center;gap:10px}
.topbar-user{font-family:var(--mono);font-size:11px;color:var(--text-3)}
.topbar-btn{
  background:transparent;border:1px solid var(--border);color:var(--text-3);
  width:32px;height:32px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-xs);cursor:pointer;transition:all .15s;text-decoration:none;
}
.topbar-btn:hover{color:var(--text);border-color:var(--border-2)}
.topbar-btn svg{width:16px;height:16px}

/* Badge de plan */
.plan-badge{
  font-family:var(--mono);font-size:10px;
  padding:3px 8px;border-radius:6px;
  letter-spacing:.5px;text-transform:uppercase;
}
.plan-badge.free{background:var(--surface-2);color:var(--text-3)}
.plan-badge.pro{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(245,158,11,0.3)}
.plan-badge.admin{background:var(--green-dim);color:var(--green);border:1px solid rgba(0,212,170,0.3)}

.container{max-width:1000px;margin:0 auto;padding:28px 24px 80px}

/* ============================================================
   BOTONES
   ============================================================ */
.btn-add{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;background:var(--green);color:#000;
  border:none;border-radius:var(--radius-sm);
  font-family:var(--sans);font-weight:700;font-size:12px;
  cursor:pointer;transition:all .2s;
  text-decoration:none;
}
.btn-add:hover{box-shadow:0 4px 20px var(--green-glow);transform:translateY(-1px)}
.btn-add svg{width:14px;height:14px}
.btn-add.secondary{background:var(--surface);color:var(--text-2);border:1px solid var(--border)}
.btn-add.secondary:hover{border-color:var(--border-2);color:var(--text);box-shadow:none}

.btn-ghost{
  padding:9px 16px;background:transparent;border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text-3);
  font-family:var(--sans);font-size:13px;cursor:pointer;transition:all .12s;
}
.btn-ghost:hover{border-color:var(--border-2);color:var(--text)}

.btn-solid{
  padding:9px 20px;background:var(--green);color:#000;
  border:none;border-radius:var(--radius-sm);
  font-family:var(--sans);font-weight:700;font-size:13px;
  cursor:pointer;transition:all .15s;
}
.btn-solid:hover{box-shadow:0 4px 16px var(--green-glow)}
.btn-solid:disabled{opacity:.5;cursor:not-allowed}

.btn-danger{
  padding:8px 14px;background:transparent;border:1px solid var(--red);
  border-radius:var(--radius-sm);color:var(--red);
  font-family:var(--sans);font-size:12px;font-weight:500;
  cursor:pointer;transition:all .12s;
}
.btn-danger:hover{background:var(--red-dim)}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay{
  display:none;position:fixed;inset:0;z-index:1000;
  background:rgba(0,0,0,0.65);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.active{display:flex}
.modal{
  background:var(--surface);border:1px solid var(--border);
  border-radius:18px;width:100%;max-width:460px;
  max-height:90vh;overflow-y:auto;
  animation:modalSlide .2s ease-out;
}
.modal.wide{max-width:560px}
@keyframes modalSlide{
  from{opacity:0;transform:translateY(12px) scale(.97)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px 0;
}
.modal-head h3{font-size:16px;font-weight:700;letter-spacing:-.3px}
.modal-x{
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--border);
  border-radius:var(--radius-xs);color:var(--text-3);
  cursor:pointer;transition:all .12s;font-size:14px;
}
.modal-x:hover{color:var(--text);background:var(--surface-2)}
.modal-body{padding:18px 22px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:0 22px 20px}

/* ============================================================
   FORM GROUP
   ============================================================ */
.fg{margin-bottom:14px}
.fg label{
  display:block;font-family:var(--mono);font-size:10px;
  text-transform:uppercase;letter-spacing:1.2px;
  color:var(--text-3);margin-bottom:5px;
}
.fg input,.fg select,.fg textarea{
  width:100%;padding:9px 12px;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);
  font-family:var(--mono);font-size:13px;
  outline:none;transition:border-color .15s,box-shadow .15s;
}
.fg input:focus,.fg select:focus,.fg textarea:focus{
  border-color:var(--green);
  box-shadow:0 0 0 3px var(--green-dim);
}
.fg select{cursor:pointer}
.fg select option{background:var(--surface)}
.fg-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fg-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.fg-hint{font-family:var(--mono);font-size:10px;color:var(--text-3);margin-top:5px}

/* Type toggle gasto/ingreso */
.type-toggle{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);overflow:hidden;
}
.type-btn{
  padding:9px;text-align:center;background:transparent;border:none;
  font-family:var(--sans);font-size:13px;font-weight:600;
  color:var(--text-3);cursor:pointer;transition:all .15s;
}
.type-btn.active-gasto{background:var(--red-dim);color:var(--red)}
.type-btn.active-ingreso{background:var(--green-dim);color:var(--green)}

/* ============================================================
   TOAST
   ============================================================ */
.toast{
  position:fixed;bottom:20px;right:20px;z-index:2000;
  padding:10px 18px;border-radius:var(--radius-sm);
  font-family:var(--mono);font-size:12px;
  transform:translateY(16px);opacity:0;
  transition:all .25s;pointer-events:none;
  max-width:calc(100vw - 40px);
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.ok{background:var(--green-dim);color:var(--green);border:1px solid rgba(0,212,170,0.2)}
.toast.err{background:var(--red-dim);color:var(--red);border:1px solid rgba(255,77,106,0.2)}
.toast.info{background:var(--blue-dim);color:var(--blue);border:1px solid rgba(77,138,255,0.2)}

/* ============================================================
   UPGRADE MODAL (limite alcanzado)
   ============================================================ */
.upgrade-hero{
  background:linear-gradient(135deg,rgba(245,158,11,0.15),rgba(168,85,247,0.1));
  border:1px solid rgba(245,158,11,0.3);
  border-radius:var(--radius);
  padding:20px;margin-bottom:20px;
  position:relative;overflow:hidden;
}
.upgrade-hero::before{
  content:'';position:absolute;top:-50%;right:-30%;
  width:300px;height:300px;
  background:radial-gradient(circle,rgba(245,158,11,0.2),transparent 70%);
  pointer-events:none;
}
.upgrade-hero-title{
  font-size:18px;font-weight:900;letter-spacing:-.5px;
  margin-bottom:6px;position:relative;
}
.upgrade-hero-sub{
  font-size:13px;color:var(--text-2);
  position:relative;
}
.upgrade-features{
  list-style:none;margin-bottom:16px;
}
.upgrade-features li{
  padding:8px 0;display:flex;align-items:center;gap:10px;
  font-size:13px;border-bottom:1px solid var(--border);
}
.upgrade-features li:last-child{border-bottom:none}
.upgrade-features li::before{
  content:'';width:16px;height:16px;flex-shrink:0;
  background:var(--green);border-radius:4px;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/70% no-repeat;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/70% no-repeat;
}
.limit-warning{
  background:var(--amber-dim);
  border:1px solid rgba(245,158,11,0.3);
  padding:12px 16px;border-radius:var(--radius-sm);
  color:var(--amber);font-size:12px;
  margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.limit-warning svg{width:18px;height:18px;flex-shrink:0}

/* ============================================================
   PWA INSTALL BANNER
   ============================================================ */
.pwa-install{
  position:fixed;bottom:20px;left:20px;z-index:100;
  padding:10px 16px;background:var(--green);color:#000;
  border:none;border-radius:var(--radius-sm);
  font-family:var(--sans);font-weight:700;font-size:12px;
  cursor:pointer;display:none;align-items:center;gap:6px;
  box-shadow:0 6px 24px var(--green-glow);
}
.pwa-install.show{display:inline-flex}
.pwa-install svg{width:14px;height:14px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:480px){
  .container{padding:16px 12px 60px}
  .topbar{padding:0 14px}
  .fg-row-3{grid-template-columns:1fr}
  .modal-overlay{padding:10px}
  .modal-head{padding:16px 16px 0}
  .modal-body{padding:14px 16px}
  .modal-foot{padding:0 16px 16px}
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}