/* ============================================================
   QR TuClienteDigital — SISTEMA PREMIUM
   Fusión de estética Linear + Stripe + acento azul/violeta.
   Mobile-first. Oscuro, limpio, moderno, sofisticado.
   ============================================================ */

/* ---------------- TOKENS ---------------- */
:root {
  /* Fondo / superficies */
  --canvas: #08090a;
  --surface: #0f1011;
  --surface-2: #141517;
  --surface-3: #191a1b;
  --surface-hover: #1e1f22;

  /* Acento principal (CTA) */
  --accent: var(--brand-1);
  --accent-2: var(--brand-2);
  --accent-hover: var(--brand-3);
  --accent-active: #828fff;
  --accent-gradient: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 100%);
  --accent-glow: var(--brand-glow);
  --accent-soft: rgba(94, 106, 210, 0.14);

  /* Identidad de marca */
  --brand-1: #5e6ad2;
  --brand-2: #533afd;
  --brand-3: #7170ff;
  --brand-gradient: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  --brand-glow: rgba(94, 106, 210, 0.35);
  --brand-soft: rgba(94, 106, 210, 0.14);

  /* Texto */
  --text: #f7f8f8;
  --text-2: #d0d6e0;
  --text-3: #8a8f98;
  --text-4: #62666d;

  /* Bordes (semi-transparentes, nunca sólidos oscuros) */
  --border: rgba(255, 255, 255, 0.06);
  --border-2: rgba(255, 255, 255, 0.09);

  /* Estado */
  --danger: #f2555a;
  --danger-soft: rgba(242, 85, 90, 0.12);
  --success: #3ecf8e;
  --success-soft: rgba(62, 207, 142, 0.12);
  --warn: #f5b041;

  /* Forma */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 18px;

  /* Sombras premium multi-capa teñida de azul */
  --shadow:
    rgba(50, 50, 93, 0.25) 0px 30px 45px -30px,
    rgba(0, 0, 0, 0.5) 0px 18px 36px -18px;
  --shadow-glow:
    rgba(94, 106, 210, 0.35) 0px 0px 40px -8px,
    rgba(0, 0, 0, 0.45) 0px 14px 32px -16px;

  /* Fuente */
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --header-h: 64px;

  /* Transiciones */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.2s;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv01", "ss03";
  min-height: 100vh;
}

body { position: relative; }

a { color: var(--text-2); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--text); }

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: var(--font);
  font-size: 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px 15px;
  width: 100%;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  outline: none;
}
input::placeholder, textarea::placeholder { color: var(--text-4); }
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.25);
  background: rgba(255, 255, 255, 0.05);
}

.hidden { display: none !important; }

/* Background aurora sutil (login / general) */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora::before,
.aurora::after,
.aurora .core {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}
.aurora::before {
  width: 520px; height: 520px;
  left: -140px; top: -120px;
  background: radial-gradient(circle, rgba(94, 106, 210, 0.55) 0%, transparent 70%);
  animation: drift 22s var(--ease) infinite alternate;
}
.aurora::after {
  width: 460px; height: 460px;
  right: -120px; bottom: -140px;
  background: radial-gradient(circle, rgba(83, 58, 253, 0.45) 0%, transparent 70%);
  animation: drift 28s var(--ease) infinite alternate-reverse;
}
.aurora .core {
  left: 50%; top: 26%;
  transform: translate(-50%, -50%);
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(113, 112, 255, 0.4) 0%, rgba(94, 106, 210, 0.18) 45%, transparent 70%);
  filter: blur(130px);
  opacity: 0.5;
  animation: corePulse 14s var(--ease) infinite alternate;
}
@keyframes corePulse {
  from { opacity: 0.32; transform: translate(-50%, -50%) scale(0.96); }
  to { opacity: 0.55; transform: translate(-50%, -50%) scale(1.08); }
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(40px, 30px) scale(1.15); }
}

/* ---------------- Botones ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition:
    background var(--dur) var(--ease),
    transform .12s var(--ease),
    box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
  width: 100%;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1) inset, var(--shadow-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-active) 100%);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 8px 30px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text-2);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); border-color: rgba(255, 255, 255, 0.14); }

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(242, 85, 90, 0.15);
}
.btn-danger:hover { background: rgba(242, 85, 90, 0.2); }

/* Spinner dentro de botón */
.btn .spinner,
.btn > span.spinner {
  margin: 0 auto;
}

/* ---------------- Icon buttons ---------------- */
.icon-btn {
  width: 36px; height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: grid; place-items: center;
  color: var(--text-3);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.icon-btn:hover {
  color: var(--text);
  border-color: rgba(113, 112, 255, 0.45);
  background: var(--accent-soft);
  box-shadow: 0 0 14px -2px var(--accent-glow);
  transform: translateY(-1px);
}
.icon-btn.danger:hover {
  color: var(--danger);
  border-color: rgba(242, 85, 90, 0.5);
  background: var(--danger-soft);
  box-shadow: 0 0 14px -2px rgba(242, 85, 90, 0.3);
  transform: translateY(-1px);
}

/* ---------------- Fab (+) ---------------- */
.fab {
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 26px;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 12px 34px rgba(83, 58, 253, 0.55);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  z-index: 25;
  -webkit-tap-highlight-color: transparent;
}
.fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 16px 44px rgba(113, 112, 255, 0.6);
}
.fab:active { transform: scale(0.96); }

/* ---------------- Header premium ---------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: rgba(10, 11, 12, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 17px;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand .brand-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: grid; place-items: center;
  box-shadow: 0 0 18px -2px var(--accent-glow);
  flex-shrink: 0;
  overflow: hidden;
}
.brand .brand-icon img {
  width: 88%;
  height: 88%;
  object-fit: contain;
  display: block;
}
.brand .brand-name {
  background: linear-gradient(120deg, #fff 0%, var(--brand-3) 70%, #a8b0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.menu-wrap { position: relative; }
.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(94, 106, 210, 0.12), 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.avatar:hover {
  transform: scale(1.06);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(94, 106, 210, 0.22), 0 0 18px -2px var(--accent-glow);
}
.avatar::first-letter { text-transform: uppercase; }

.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 220px;
  background: rgba(20, 21, 23, 0.92);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 40;
  transform-origin: top right;
}
.menu.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.menu .menu-info {
  padding: 12px 12px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 6px;
}
.menu .menu-info .mn { font-weight: 600; font-size: 14px; color: var(--text); }
.menu .menu-info .me { color: var(--text-3); font-size: 12px; word-break: break-all; margin-top: 2px; }
.menu button {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-2);
  text-align: left;
  transition: background .12s var(--ease), color .12s var(--ease);
}
.menu button:hover { background: rgba(255, 255, 255, 0.05); color: var(--text); }
.menu button i { width: 18px; text-align: center; color: var(--text-4); }
.menu button:hover i { color: var(--accent); }

/* ---------------- Auth (login / registro) ---------------- */
.auth-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 20px;
}
.auth-hero { text-align: center; padding: 8px 12px 28px; }
.auth-logo {
  position: relative;
  width: 110px; height: 110px;
  margin: 0 auto 22px;
  border-radius: 28px;
  background: var(--brand-gradient);
  display: grid; place-items: center;
  box-shadow:
    0 0 0 6px rgba(94, 106, 210, 0.12),
    0 18px 50px -8px rgba(83, 58, 253, 0.6);
  overflow: hidden;
}
.auth-logo::before {
  content: "";
  position: absolute;
  inset: -26px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(113, 112, 255, 0.5) 0%, transparent 70%);
  filter: blur(26px);
  z-index: 0;
  pointer-events: none;
  animation: halo 5s var(--ease) infinite alternate;
}
@keyframes halo {
  from { opacity: 0.6; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1.05); }
}
.auth-logo img {
  position: relative;
  z-index: 1;
  width: 92%;
  height: 92%;
  object-fit: contain;
  display: block;
}
.auth-hero h1 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #ffffff 5%, var(--brand-3) 55%, #a8b0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auth-hero p {
  margin: 0 auto;
  color: var(--text-3);
  font-size: 14.5px;
  max-width: 340px;
  font-weight: 400;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  position: relative;
}

/* Tabs pill-segmentado estilo Linear */
.tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 22px;
  gap: 4px;
}
.tab {
  flex: 1;
  padding: 11px;
  border-radius: 9px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-3);
  transition: all var(--dur) var(--ease);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.tab.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 1px 8px rgba(0, 0, 0, 0.35);
}

.field { margin-bottom: 15px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 7px;
  font-weight: 500;
}
.req { color: var(--danger); }

.form-error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(242, 85, 90, 0.15);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 13px;
  margin-bottom: 15px;
  display: none;
  font-weight: 500;
}
.form-error.show { display: block; animation: shake 0.3s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  30% { transform: translateX(-4px); }
  60% { transform: translateX(4px); }
}
.form-msg { text-align: center; color: var(--text-3); font-size: 13px; margin-top: 18px; }
.form-msg a {
  color: var(--accent-active);
  font-weight: 600;
}
.form-msg a:hover { color: var(--accent-hover); text-decoration: underline; }

.auth-foot {
  text-align: center;
  padding: 22px 10px 0;
  color: var(--text-4);
  font-size: 13px;
}

/* ---------------- Dashboard ---------------- */
.dashboard {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 16px 120px;
}
.dash-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}
.dash-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.dash-head h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  color: var(--text);
}
.dash-count {
  flex-shrink: 0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(94, 106, 210, 0.12);
  border: 1px solid rgba(94, 106, 210, 0.25);
  border-radius: 30px;
  padding: 6px 12px;
  letter-spacing: 0.01em;
}

.search {
  position: relative;
}
.search i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-4);
  font-size: 15px;
  pointer-events: none;
  transition: color var(--dur) var(--ease);
}
.search:focus-within i { color: var(--accent); }
.search input {
  padding: 13px 16px 13px 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

/* Grilla de tarjetas QR */
.qr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.qr-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
  cursor: pointer;
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  animation: cardIn 0.4s var(--ease) both;
  -webkit-tap-highlight-color: transparent;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.qr-card:hover {
  transform: translateY(-3px);
  border-color: rgba(113, 112, 255, 0.4);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 0 28px -6px rgba(94, 106, 210, 0.3), 0 14px 34px -18px rgba(0, 0, 0, 0.6);
}

.qr-thumb {
  width: 78px; height: 78px; flex-shrink: 0;
  border-radius: 12px;
  background: #fafafa;
  padding: 6px;
  display: grid; place-items: center;
  overflow: hidden;
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.15), 0 2px 10px rgba(0, 0, 0, 0.3);
}
.qr-thumb canvas { width: 100%; height: 100%; object-fit: contain; display: block; }

.qr-body { flex: 1; min-width: 0; }
.qr-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.qr-url {
  color: var(--text-3);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.qr-url i { font-size: 10px; color: var(--text-4); }
.qr-actions { display: flex; gap: 7px; flex-wrap: wrap; }

/* Estado vacío elegante */
.empty {
  text-align: center;
  padding: 56px 20px;
  color: var(--text-3);
}
.empty .empty-icon {
  width: 92px; height: 92px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 38px;
  color: var(--accent-active);
  background: radial-gradient(circle at 30% 20%, rgba(94, 106, 210, 0.28), rgba(83, 58, 253, 0.12) 70%);
  box-shadow: 0 0 60px -12px var(--accent-glow);
}
.empty i { display: block; }
.empty h3 { margin: 0 0 8px; color: var(--text); font-size: 19px; letter-spacing: -0.02em; font-weight: 700; font-family: var(--font-display); }
.empty p { margin: 0 auto 22px; max-width: 300px; color: var(--text-3); font-size: 14px; line-height: 1.5; }
.empty .btn { width: auto; padding: 13px 24px; }

/* ---------------- Modal (bottom-sheet / centered) ---------------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
  padding: 0;
}
.overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  background: rgba(18, 19, 21, 0.96);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: none;
  padding: 24px 22px 28px;
  transform: translateY(40px);
  transition: transform 0.28s var(--ease);
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.5);
}
.overlay.open .modal { transform: translateY(0); }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-head h3 { margin: 0; font-size: 19px; letter-spacing: -0.02em; font-weight: 700; font-family: var(--font-display); color: var(--text); }
.modal-close {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: grid; place-items: center;
  color: var(--text-3);
  font-size: 15px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.modal-close:hover { color: var(--text); background: rgba(255, 255, 255, 0.08); }

/* Editor tipo */
.editor-tipo { display: flex; gap: 10px; margin-bottom: 18px; }
.tipo-btn {
  flex: 1;
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-3);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  transition: all var(--dur) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.tipo-btn i { font-size: 19px; }
.tipo-btn:hover { background: rgba(255, 255, 255, 0.05); color: var(--text-2); }
.tipo-btn.active {
  border-color: rgba(113, 112, 255, 0.55);
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: 0 0 18px -6px var(--accent-glow);
}

.qr-preview {
  background: #fafafa;
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  justify-content: center;
  margin: 20px 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05), 0 2px 14px rgba(0, 0, 0, 0.3);
}
.qr-preview canvas { height: 220px; width: 220px; }

.modal-actions { display: flex; gap: 10px; margin-top: 8px; }

/* Preview ampliado (ver QR) */
.preview-large {
  text-align: center;
  background: #fafafa;
  border-radius: var(--radius);
  padding: 22px;
  margin: 10px 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05), 0 2px 18px rgba(0, 0, 0, 0.3);
}
.preview-large canvas { max-width: 100%; height: auto; width: 300px; }
.preview-link {
  color: var(--accent-active);
  font-size: 13px;
  word-break: break-all;
  margin-top: 16px;
  text-align: center;
}

/* ---------------- Toast ---------------- */
.toast-wrap {
  position: fixed;
  bottom: 24px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
  z-index: 80;
  padding: 0 16px;
}
.toast {
  background: rgba(24, 25, 27, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(113, 112, 255, 0.3);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 20px;
  font-size: 14px;
  box-shadow: 0 12px 40px -8px rgba(0, 0, 0, 0.6), 0 0 20px -8px var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 11px;
  max-width: 480px;
  transform: translateY(24px) scale(0.97);
  opacity: 0;
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}
.toast.show { transform: translateY(0) scale(1); opacity: 1; }
.toast i { color: var(--success); font-size: 17px; }
.toast.err { border-color: rgba(242, 85, 90, 0.35); box-shadow: 0 12px 40px -8px rgba(0, 0, 0, 0.6), 0 0 20px -8px rgba(242, 85, 90, 0.3); }
.toast.err i { color: var(--danger); }

/* ---------------- Spinner / loading ---------------- */
.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent-active);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
.spinner.dark { border-color: rgba(255, 255, 255, 0.12); }
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px 20px;
  color: var(--text-3);
  animation: fadeIn 0.4s var(--ease);
}
.loading-state .spinner { width: 34px; height: 34px; border-width: 3px; border-top-color: var(--accent); }
.loading-state span { font-size: 14px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------------- Scrollbar sutil ---------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.09);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.16); background-clip: padding-box; border: 2px solid transparent; }

/* ---------------- Responsive (desktop) ---------------- */
@media (min-width: 640px) {
  .qr-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-head { flex-direction: row; align-items: center; justify-content: space-between; }
  .search { flex: 1; max-width: 340px; margin: 0; }
}

@media (min-width: 960px) {
  .qr-grid { grid-template-columns: repeat(3, 1fr); }
  .overlay { align-items: center; padding: 20px; }
  .modal {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.09);
    transform: translateY(14px) scale(0.97);
    box-shadow: var(--shadow);
  }
  .overlay.open .modal { transform: translateY(0) scale(1); }
}

/* Reducción de animaciones para usuarios que lo prefieran */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}