:root {
  --blu-900: #071a35;
  --blu-800: #0c2a52;
  --blu-700: #123b70;
  --blu-600: #1a4f93;
  --blu-500: #2566b8;
  --blu-400: #3f84d6;
  --argento-100: #f4f6f9;
  --argento-200: #e7eaf0;
  --argento-300: #d4d9e2;
  --argento-400: #b9c0cd;
  --argento-500: #9aa3b4;
  --bronzo-300: #d9b088;
  --bronzo-400: #c99a6b;
  --bronzo-500: #b8824e;
  --bronzo-600: #9c6a3a;
  --bronzo-700: #7d5329;
  --ok-500: #2f9e63;
  --err-500: #d64545;
  --shadow-soft: 0 10px 30px rgba(7, 26, 53, 0.18);
  --shadow-card: 0 6px 18px rgba(7, 26, 53, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(160deg, var(--argento-100) 0%, var(--argento-200) 45%, #eef1f6 100%);
  color: var(--blu-900);
  height: 100vh;
  overflow: hidden;
}

#hub-root {
  height: 100vh;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ===== HEADER ===== */
#hub-header {
  background: linear-gradient(120deg, var(--blu-900) 0%, var(--blu-700) 60%, var(--blu-600) 100%);
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
  z-index: 50;
  border-bottom: 3px solid var(--bronzo-500);
}

.hub-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

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

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bronzo-400), var(--bronzo-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 10px rgba(156, 106, 58, 0.45);
  flex-shrink: 0;
}

.brand-text h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.2px;
}

.brand-text span {
  font-size: 12.5px;
  color: var(--argento-300);
  font-weight: 500;
}

#hub-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hub-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--argento-200);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hub-tab:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.hub-tab.active {
  background: linear-gradient(135deg, var(--bronzo-400), var(--bronzo-600));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 10px rgba(156, 106, 58, 0.4);
}

/* ===== MAIN ===== */
#hub-main {
  flex: 1;
  min-height: 0;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 28px 40px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: max-width 0.2s ease, padding 0.2s ease;
}

/* Quando un gestionale è aperto, il pannello si espande per dare
   il massimo spazio possibile al riquadro dell'iframe */
#hub-root.frame-active #hub-main {
  max-width: 100%;
  padding: 14px 16px;
}

#hub-root.frame-active #hub-footer {
  display: none;
}

.view {
  display: none;
  flex: 1;
  min-height: 0;
  flex-direction: column;
}

.view.active {
  display: flex;
}

#launcher-view.active {
  overflow-y: auto;
}

/* ===== LAUNCHER ===== */
.launcher-intro {
  margin-bottom: 28px;
}

.launcher-intro h2 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 800;
  color: var(--blu-900);
}

.launcher-intro p {
  margin: 0;
  color: #5b6779;
  font-size: 14.5px;
}

.boxes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.gest-box {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--argento-300);
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gest-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--blu-600), var(--bronzo-500));
}

.gest-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 34px rgba(7, 26, 53, 0.2);
  border-color: var(--bronzo-400);
}

.gest-box-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gest-box-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--blu-600), var(--blu-800));
  box-shadow: 0 6px 14px rgba(18, 59, 112, 0.35);
}

.gest-box.accento-bronzo .gest-box-icon {
  background: linear-gradient(135deg, var(--bronzo-400), var(--bronzo-700));
  box-shadow: 0 6px 14px rgba(156, 106, 58, 0.4);
}

.gest-box-title {
  font-size: 17.5px;
  font-weight: 800;
  color: var(--blu-900);
  margin: 0 0 4px;
}

.gest-box-desc {
  font-size: 13px;
  color: #6b7688;
  margin: 0;
  line-height: 1.4;
}

.gest-box-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--argento-200);
}

.gest-box-url {
  font-size: 12px;
  color: var(--argento-500);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 70%;
}

.gest-box-open {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blu-600);
}

.gest-box.accento-bronzo .gest-box-open {
  color: var(--bronzo-600);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok-500);
  margin-right: 6px;
  box-shadow: 0 0 0 3px rgba(47, 158, 99, 0.18);
}

/* ===== FRAME VIEW ===== */
.frame-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--argento-300);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 8px 16px;
  box-shadow: var(--shadow-card);
}

.toolbar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--argento-300);
  background: var(--argento-100);
  color: var(--blu-800);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.toolbar-btn:hover {
  background: var(--argento-200);
  border-color: var(--argento-400);
}

.toolbar-btn.icon-only {
  padding: 9px 11px;
}

.toolbar-btn.primary {
  background: linear-gradient(135deg, var(--bronzo-400), var(--bronzo-600));
  border-color: transparent;
  color: #fff;
  margin-top: 6px;
}

.toolbar-btn.primary:hover {
  filter: brightness(1.05);
}

.frame-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--blu-900);
  font-size: 15px;
}

.frame-title i {
  color: var(--bronzo-500);
}

.toolbar-actions {
  display: flex;
  gap: 8px;
}

.frame-toolbar {
  flex-shrink: 0;
}

.frame-wrapper {
  position: relative;
  flex: 1;
  min-height: 0;
  background: #fff;
  border: 1px solid var(--argento-300);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

#gestionale-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.frame-loading, .frame-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #fff;
  color: #5b6779;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  padding: 24px;
  z-index: 2;
}

.frame-error i {
  font-size: 38px;
  color: var(--bronzo-500);
}

.frame-error h3 {
  margin: 0;
  font-size: 17px;
  color: var(--blu-900);
}

.frame-error p {
  margin: 0;
  max-width: 420px;
  color: #6b7688;
  font-weight: 500;
  font-size: 13.5px;
}

.spinner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 4px solid var(--argento-300);
  border-top-color: var(--blu-600);
  animation: spin 0.8s linear infinite;
}

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

/* ===== FOOTER ===== */
#hub-footer {
  text-align: center;
  padding: 12px;
  font-size: 12px;
  color: var(--argento-500);
  border-top: 1px solid var(--argento-300);
  background: #fff;
  flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .hub-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  #hub-main {
    padding: 22px 16px 32px;
  }
  .frame-toolbar {
    flex-wrap: wrap;
  }
}