:root {
  --bg-outer: #070b11;
  --bg-inner: #0f1726;
  --bg-card: rgba(21, 27, 41, 0.82);
  --bg-card-strong: rgba(28, 35, 51, 0.94);
  --bg-sidebar: linear-gradient(180deg, #101a2c 0%, #0c1422 100%);
  --outline: rgba(255, 255, 255, 0.08);
  --text-primary: #f6f7fb;
  --text-secondary: #9aa5c2;
  --accent: #66d8ff;
  --accent-strong: #5f8cff;
  --success: #45e1b8;
  --danger: #ff6b6b;
  --danger-strong: #ff4f5c;
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.45);
  --radius-large: 22px;
  --radius-medium: 16px;
  --radius-small: 10px;
  --spacing: clamp(18px, 2vw, 28px);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 0% 0%, rgba(102, 216, 255, 0.08), transparent 40%),
              radial-gradient(circle at 80% 0%, rgba(95, 140, 255, 0.12), transparent 38%),
              var(--bg-outer);
  color: var(--text-primary);
}

a {
  color: inherit;
}

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

.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid rgba(255, 255, 255, 0.04);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: grid;
  place-items: center;
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  font-size: 18px;
  color: #051126;
}

.brand-text span {
  display: block;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.brand-text strong {
  font-size: 18px;
  font-weight: 700;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  padding: 12px 14px;
  border-radius: var(--radius-small);
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(120deg, rgba(102, 216, 255, 0.24), rgba(95, 140, 255, 0.24));
  border: 1px solid rgba(102, 216, 255, 0.35);
  color: var(--text-primary);
}

.nav-label {
  margin-left: 2px;
}

.sidebar-footer {
  margin-top: auto;
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.8;
}

.sidebar-footer .version {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  margin-bottom: 8px;
  color: var(--accent);
}

.main {
  background: radial-gradient(circle at 50% -10%, rgba(102, 216, 255, 0.12), transparent 35%),
              linear-gradient(180deg, rgba(15, 23, 38, 0.9) 0%, rgba(7, 11, 17, 0.94) 100%);
  display: flex;
  flex-direction: column;
  padding: 36px;
  gap: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(26px, 3vw, 34px);
}

.lead, .topbar .lead {
  margin: 6px 0 0 0;
  color: var(--text-secondary);
  max-width: 720px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
}

.alert-stack {
  display: grid;
  gap: 12px;
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-medium);
  background: rgba(102, 216, 255, 0.08);
  border: 1px solid rgba(102, 216, 255, 0.35);
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-soft);
}

.content {
  display: grid;
  gap: 24px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-large);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card.accent {
  background: var(--bg-card-strong);
  border: 1px solid rgba(102, 216, 255, 0.18);
}

.card.wide {
  flex-direction: column;
  align-items: flex-start;
}

.card.center {
  align-items: center;
  text-align: center;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.card-header h2 {
  margin: 4px 0 0 0;
  font-size: clamp(20px, 2vw, 24px);
}

.card-lead {
  margin: -12px 0 0 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(102, 216, 255, 0.18);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge.neutral {
  background: rgba(154, 165, 194, 0.18);
  color: var(--text-secondary);
}

.badge.danger {
  background: rgba(255, 75, 90, 0.18);
  color: var(--danger);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stack.tight {
  gap: 12px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-group label,
.config-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

input[type="text"],
input[type="number"] {
  border-radius: var(--radius-small);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 12, 22, 0.55);
  color: var(--text-primary);
  padding: 12px 14px;
  font-size: 15px;
  transition: border 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: rgba(102, 216, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(102, 216, 255, 0.15);
}

input[type="file"] {
  display: none;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.form-actions.end {
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-small);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s;
}

.btn.small {
  padding: 8px 14px;
  font-size: 13px;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #04101f;
  box-shadow: 0 10px 28px rgba(95, 140, 255, 0.35);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 38px rgba(95, 140, 255, 0.45);
}

.btn.outline {
  background: transparent;
  border-color: rgba(102, 216, 255, 0.4);
  color: var(--accent);
}

.btn.outline:hover {
  background: rgba(102, 216, 255, 0.1);
}

.btn.ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
}

.btn.danger {
  background: linear-gradient(120deg, var(--danger), var(--danger-strong));
  color: #200308;
  box-shadow: 0 12px 32px rgba(255, 79, 92, 0.35);
}

.btn.danger.ghost {
  background: transparent;
  border-color: rgba(255, 107, 107, 0.5);
  color: var(--danger);
}

.btn.danger.ghost:hover {
  background: rgba(255, 107, 107, 0.12);
}

.btn:hover {
  transform: translateY(-1px);
}

/* efecto visual temporal para llamar la atención sobre el boton refrescar */
.pulse {
  animation: pulse-anim 1s ease-in-out 0s 3;
}
@keyframes pulse-anim {
  0% { box-shadow: 0 0 0 0 rgba(102,216,255,0.35); }
  50% { box-shadow: 0 0 0 10px rgba(102,216,255,0.06); }
  100% { box-shadow: 0 0 0 0 rgba(102,216,255,0); }
}

.btn:active {
  transform: translateY(0);
}

.divider {
  position: relative;
  text-align: center;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.36);
}

.divider::before,
.divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.divider::before {
  left: 0;
}

.divider::after {
  right: 0;
}

.file-drop {
  border: 1px dashed rgba(102, 216, 255, 0.35);
  border-radius: var(--radius-medium);
  padding: 28px;
  text-align: center;
  background: rgba(8, 14, 24, 0.55);
  transition: border 0.2s, background 0.2s;
}

.file-drop.is-dragging {
  border-color: rgba(102, 216, 255, 0.8);
  background: rgba(102, 216, 255, 0.08);
}

.file-drop label {
  display: block;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  margin-bottom: 6px;
}

.file-name {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.file-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: var(--radius-small);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  cursor: pointer;
  color: var(--text-secondary);
  transition: border 0.2s, color 0.2s;
}

.file-pill:hover {
  border-color: rgba(102, 216, 255, 0.6);
  color: var(--accent);
}

.logo-preview {
  padding: 22px;
  border-radius: var(--radius-medium);
  background: rgba(10, 16, 28, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: grid;
  place-items: center;
}

.logo-preview img {
  max-width: 180px;
  width: 100%;
  filter: drop-shadow(0 14px 30px rgba(0, 0, 0, 0.45));
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.chip:hover {
  background: rgba(102, 216, 255, 0.18);
  color: var(--text-primary);
}

.gallery {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.gallery-item {
  background: rgba(14, 20, 34, 0.85);
  border-radius: var(--radius-medium);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-item img {
  width: 100%;
  border-radius: var(--radius-small);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.45);
}

.gallery-item figcaption {
  font-size: 13px;
  color: var(--text-secondary);
}

.empty-state {
  border-radius: var(--radius-large);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  padding: 60px 32px;
  text-align: center;
  background: rgba(10, 16, 24, 0.6);
  color: var(--text-secondary);
  display: grid;
  gap: 14px;
  place-items: center;
}

.empty-icon {
  font-size: 36px;
}

.loader {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 6px solid rgba(255, 255, 255, 0.16);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.config-grid {
  display: grid;
  gap: 14px 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.config-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border-radius: var(--radius-medium);
  background: rgba(9, 14, 24, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.result-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: var(--radius-small);
  background: rgba(8, 14, 24, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.mono {
  font-family: "JetBrains Mono", monospace;
  color: var(--text-secondary);
}

.alert-stack + .content {
  margin-top: -6px;
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
  }
  .nav {
    flex-direction: row;
    gap: 12px;
  }
  .nav-item {
    padding: 10px 12px;
  }
  .sidebar-footer {
    display: none;
  }
  .main {
    padding: 28px;
  }
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .topbar-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 620px) {
  .main {
    padding: 22px;
  }
  .card {
    padding: 22px;
  }
  .topbar-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .topbar-actions .btn {
    width: 100%;
  }
  .form-actions {
    flex-direction: column;
  }
  .form-actions .btn {
    width: 100%;
  }
} :root {
  --bg: #0a0f1f;
  --panel: rgba(14, 20, 36, 0.82);
  --panel-strong: rgba(17, 28, 48, 0.92);
  --card-border: rgba(255, 255, 255, 0.08);
  --accent: #6cf0c2;
  --accent-2: #8ba8ff;
  --text: #e9edf5;
  --muted: #b6c0d6;
  --danger: #ff7b7b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(108, 240, 194, 0.08), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(139, 168, 255, 0.12), transparent 25%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  padding: 28px 20px 16px 20px;
  text-align: center;
}

.logo-title {
  font-size: 30px;
  letter-spacing: 0.5px;
  font-weight: 700;
  color: var(--accent);
}

.subtitle {
  color: var(--muted);
  margin-top: 6px;
  font-size: 15px;
}

.layout {
  max-width: 1200px;
  margin: 20px auto 40px auto;
  padding: 0 24px 32px 24px;
}

.flash-container {
  margin: 0 auto 18px auto;
}

.flash {
  background: rgba(108, 240, 194, 0.08);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
}

.card strong {
  color: var(--accent);
}

h2 {
  margin: 0 0 10px 0;
  font-size: 22px;
  letter-spacing: 0.3px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin-top: 0;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.config-form {
  gap: 22px;
}

.config-grid {
  display: grid;
  gap: 14px 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.config-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: var(--panel-strong);
  border-radius: 10px;
  border: 1px solid var(--card-border);
}

.config-grid input[type="number"] {
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
}

.config-grid input[type="number"]:focus {
  border-color: var(--accent);
  outline: none;
}

label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: -6px;
}

input[type="text"] {
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus {
  border: 1px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 240, 194, 0.12);
}

input[type="file"] {
  display: none;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  color: var(--bg);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  transition: transform 0.1s ease, box-shadow 0.2s ease, opacity 0.2s;
  letter-spacing: 0.2px;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.btn:active {
  transform: translateY(0);
  opacity: 0.9;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
  box-shadow: none;
}

.btn-danger {
  background: linear-gradient(120deg, var(--danger), #ff4f6a);
  color: #0a0f1f;
}

.file-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px dashed var(--card-border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  font-weight: 600;
}

.file-label:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.file-name {
  font-size: 13px;
  color: var(--muted);
}

.acciones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 6px;
}

.pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(139, 168, 255, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(139, 168, 255, 0.4);
}

.logo-previa {
  width: 100%;
  max-width: 260px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--panel-strong);
  padding: 16px;
  margin: 10px auto 20px auto;
  display: block;
}

.logo-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(108, 240, 194, 0.1);
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid rgba(108, 240, 194, 0.4);
  font-size: 12px;
}

.footer-note {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 20px;
}

.footer-link {
  display: inline-block;
  margin-left: 10px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .layout {
    padding: 0 18px 26px 18px;
  }

  .card {
    padding: 22px;
  }

  header {
    padding: 22px 14px 12px 14px;
  }
}