:root {
  --bg-main: #0c0f17;
  --bg-card: #151b28;
  --bg-card-hover: #1c2436;
  --bg-input: #0e1320;
  --border-color: #242f45;
  --border-subtle: #1c2538;
  --border-focus: #3b82f6;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --primary-border: #3b82f6;
  --primary-glow: rgba(37, 99, 235, 0.2);
  
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* ================= HEADER ================= */
.app-header {
  background-color: rgba(21, 27, 40, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.65rem 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  font-size: 1.75rem;
  line-height: 1;
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: -0.02em;
}

/* Main Nav */
.main-nav {
  display: flex;
  gap: 0.4rem;
}

.nav-tab {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 500;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
  border-color: #334155;
}

.nav-tab.active {
  background-color: var(--primary);
  border-color: var(--primary-border);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-tab-admin {
  border-color: rgba(139, 92, 246, 0.3) !important;
  color: #c4b5fd !important;
}

.nav-tab-admin:hover,
.nav-tab-admin.active {
  background: rgba(139, 92, 246, 0.18) !important;
  border-color: #a78bfa !important;
  color: #ffffff !important;
}

.nav-badge {
  background: rgba(0, 0, 0, 0.3);
  font-size: 0.72rem;
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
  font-weight: 600;
}

.nav-icon-svg {
  flex-shrink: 0;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Credits Pill - Clickable to open recharge store */
.credits-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.credits-pill:hover {
  background: rgba(245, 158, 11, 0.18);
  border-color: #f59e0b;
  transform: translateY(-1px);
}

.credits-pill.zero {
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
}

.credits-recharge-badge {
  background: rgba(245, 158, 11, 0.2);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ai-status-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.28rem 0.65rem;
  border-radius: 8px;
  font-size: 0.78rem;
  color: #34d399;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: 8px;
  font-size: 0.82rem;
}

.user-avatar-circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #334155;
  color: #93c5fd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.user-name {
  font-weight: 600;
  color: #f1f5f9;
}

/* ================= CARDS & LAYOUT ================= */
.main-content {
  flex: 1;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.card-header {
  margin-bottom: 1.25rem;
}

.flex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-title h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: -0.01em;
}

.section-title p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

/* ================= BUTTONS (MODERNI, NO GRADIENTI VOLGARI O EMOJI IA) ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: inherit;
  font-weight: 500;
  border-radius: 7px;
  padding: 0.55rem 1.05rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
  font-size: 0.86rem;
  min-height: 36px;
  line-height: 1.25;
  user-select: none;
}

/* Primary Button: Blu solido di alta gamma con highlight sottile */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary-border);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: #2563eb;
}

.btn-primary:active {
  background-color: var(--primary-active);
  transform: translateY(1px);
}

/* Secondary Button: Superficie ardesia scura professionale */
.btn-secondary {
  background-color: #1a2233;
  border: 1px solid #2d3b55;
  color: #e2e8f0;
}

.btn-secondary:hover {
  background-color: #242f45;
  border-color: #3b4d6e;
  color: #ffffff;
}

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

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  border: 1px solid #2d3b55;
  color: #94a3b8;
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: #3b4d6e;
  color: #f1f5f9;
}

/* Danger Button */
.btn-danger {
  background-color: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fca5a5;
}

.btn-danger:hover {
  background-color: var(--accent-rose);
  border-color: var(--accent-rose);
  color: white;
}

/* PayPal Branded Button (Alternativa a Stripe) */
.btn-paypal {
  background-color: #ffc439;
  border-color: #f0b72b;
  color: #003087;
  font-weight: 600;
}

.btn-paypal:hover {
  background-color: #f2ba36;
}

.btn-sm {
  padding: 0.32rem 0.65rem;
  font-size: 0.78rem;
  min-height: 30px;
}

.btn-lg {
  padding: 0.68rem 1.45rem;
  font-size: 0.95rem;
  min-height: 42px;
}

.btn-block {
  width: 100%;
}

.btn-link {
  background: transparent;
  border: none;
  color: #60a5fa;
  font-size: 0.84rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font-family: inherit;
}

.btn-link:hover {
  color: #93c5fd;
}

.btn-link.text-muted {
  color: var(--text-muted);
  text-decoration: none;
}

.btn-link.text-muted:hover {
  color: var(--text-main);
  text-decoration: underline;
}

.btn-icon-svg {
  flex-shrink: 0;
}

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

/* ================= AUTH MODAL (LOGIN & REGISTRAZIONE DIRETTA) ================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(6, 8, 14, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: opacity 0.2s ease;
}

.modal-overlay.hidden {
  display: none !important;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.6rem;
  width: 100%;
  max-width: 440px;
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
  position: relative;
  margin: auto;
}

.modal-header {
  text-align: center;
  margin-bottom: 1.15rem;
}

.brand-avatar-badge {
  font-size: 2.2rem;
  margin-bottom: 0.35rem;
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f8fafc;
}

.modal-header p {
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-top: 0.25rem;
}

/* Segmented Control Tabs (Accedi / Registrati) */
.auth-tabs {
  display: flex;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 1.25rem;
  gap: 3px;
}

.auth-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem;
  border-radius: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.auth-tab-btn.active {
  background-color: #1e293b;
  color: #f8fafc;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.auth-switch-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
}

.auth-switch-hint a {
  color: #60a5fa;
  text-decoration: none;
  font-weight: 500;
}

.auth-switch-hint a:hover {
  text-decoration: underline;
}

.auth-notice {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
  text-align: center;
}

/* ================= INPUT & DROP ZONE SECTION ================= */
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.45rem;
  color: #cbd5e1;
}

.drop-zone {
  border: 1px dashed #334155;
  background-color: var(--bg-input);
  border-radius: 8px;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary-border);
  background-color: rgba(37, 99, 235, 0.04);
}

.file-input-hidden {
  display: none;
}

.drop-icon-svg-wrapper {
  color: #64748b;
  margin-bottom: 0.4rem;
}

.drop-title {
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.drop-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  display: block;
}

.drop-zone-preview {
  position: relative;
  max-height: 220px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone-preview img {
  max-height: 200px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.preview-overlay {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(15, 23, 42, 0.9);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.preview-filename {
  font-size: 0.75rem;
  color: #cbd5e1;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-remove-photo {
  background: var(--accent-rose);
  color: white;
  border: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
}

.text-zone-wrapper textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.88rem;
  padding: 0.85rem;
  resize: vertical;
  min-height: 180px;
  outline: none;
  transition: border-color 0.15s;
}

.text-zone-wrapper textarea:focus {
  border-color: var(--primary-border);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Accordion Details */
.details-section {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  background-color: rgba(14, 19, 32, 0.3);
}

.accordion-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
  font-family: inherit;
}

.accordion-toggle:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.02);
}

.accordion-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.toggle-icon {
  font-size: 0.72rem;
  transition: transform 0.2s ease;
}

.details-content {
  padding: 0.9rem 1.1rem 1.1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.details-content.collapsed {
  display: none;
}

.fields-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.flex-1 { flex: 1; min-width: 160px; }
.flex-2 { flex: 2; min-width: 240px; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: var(--text-muted);
}

.form-group input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.5rem 0.7rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: var(--primary-border);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* ================= STEPPER / LOADING (PULITO, NO EMOJI) ================= */
.loading-card {
  text-align: center;
  padding: 2.25rem 1.25rem;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(59, 130, 246, 0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 1rem;
}

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

.loading-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.loading-header p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.75rem;
}

.stepper {
  max-width: 580px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  text-align: left;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.95rem;
  border-radius: 7px;
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: all 0.25s ease;
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: #1e293b;
  color: var(--text-muted);
}

.step-item.active {
  border-color: var(--primary-border);
  color: var(--text-main);
  background-color: rgba(37, 99, 235, 0.08);
}

.step-item.active .step-badge {
  background-color: var(--primary);
  color: white;
}

.step-item.done {
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
  background-color: rgba(16, 185, 129, 0.05);
}

.step-item.done .step-badge {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

/* ================= RESULTS CARD ================= */
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.results-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.meta-badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.results-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  width: fit-content;
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-info {
  background-color: rgba(37, 99, 235, 0.12);
  color: #93c5fd;
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.tabs-nav {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.15rem;
  scrollbar-width: thin;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: #60a5fa;
  border-bottom-color: var(--primary-border);
}

.tab-panes {
  min-height: 380px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.pane-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.file-badge {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.view-switch {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2px;
}

.subtab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
}

.subtab-btn.active {
  background-color: #1e293b;
  color: white;
}

.code-box, .raw-code-box {
  background-color: #0b0f19 !important;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  max-height: 560px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  -webkit-overflow-scrolling: touch;
}

.markdown-preview {
  background-color: #ffffff;
  color: #1e293b;
  border-radius: 8px;
  padding: 2.25rem;
  border: 1px solid #cbd5e1;
  max-height: 700px;
  overflow-y: auto;
  line-height: 1.65;
  -webkit-overflow-scrolling: touch;
}

.markdown-preview h1, 
.markdown-preview h2, 
.markdown-preview h3, 
.markdown-preview h4 {
  color: #0f172a;
  margin-top: 1.4rem;
  margin-bottom: 0.65rem;
  font-weight: 700;
}

.markdown-preview h1 {
  font-size: 1.5rem;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0.35rem;
}

.markdown-preview h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.25rem;
}

.markdown-preview p {
  margin-bottom: 0.85rem;
}

.markdown-preview blockquote {
  border-left: 4px solid #2563eb;
  background-color: #f8fafc;
  padding: 0.5rem 0.85rem;
  color: #475569;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1.1rem;
  font-size: 0.9rem;
}

.markdown-preview pre {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 0.85rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.markdown-preview :not(pre) > code {
  color: #5310f0 !important; 
  background-color: #faf7f6ff !important;
  border: 1px solid #dcdcdc !important;
  border-radius: 6px !important;
  padding: 0.2em 0.4em !important;
  font-family: var(--font-mono) !important;
  font-size: 85% !important;
}

.markdown-preview ul, .markdown-preview ol {
  margin-left: 1.35rem;
  margin-bottom: 1.1rem;
}

.markdown-preview li {
  margin-bottom: 0.35rem;
}

/* Terminal Window */
.terminal-window {
  background-color: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-bar {
  background-color: #151c2d;
  padding: 0.45rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-bottom: 1px solid var(--border-color);
}

.term-btn {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.term-btn.red { background-color: #ef4444; }
.term-btn.yellow { background-color: #f59e0b; }
.term-btn.green { background-color: #10b981; }

.term-title {
  margin-left: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
  max-height: 460px;
  overflow-y: auto;
  white-space: pre-wrap;
  -webkit-overflow-scrolling: touch;
}

.term-prompt { color: #34d399; font-weight: 600; }
.term-cmd { color: #60a5fa; font-weight: 600; }
.term-success { color: #34d399; }
.term-err { color: #f87171; }

/* File Tree */
.file-tree-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.file-tree-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.file-tree-name {
  font-family: var(--font-mono);
  font-weight: 500;
  color: #93c5fd;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
}

.file-tree-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ================= I MIEI COMPITI ================= */
.compiti-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.compito-card {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: all 0.15s ease;
}

.compito-card:hover {
  border-color: var(--primary-border);
  background-color: rgba(37, 99, 235, 0.03);
}

.compito-info {
  flex: 1;
  min-width: 0;
}

.compito-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
  flex-wrap: wrap;
}

.compito-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compito-snippet {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.compito-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

/* ================= MODAL SHOP CREDITI (ALTERNATIVA A STRIPE) ================= */
.credits-shop-modal-card {
  max-width: 640px !important;
}

.shop-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.6rem;
}

.current-balance-banner {
  background-color: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.88rem;
}

.current-balance-banner strong {
  color: #60a5fa;
  font-weight: 700;
}

/* Packages Grid */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.15rem;
  padding-top: 8px;
}

.package-card {
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 0.55rem 0.75rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  text-align: center;
  user-select: none;
  touch-action: manipulation;
}

.package-card:hover {
  border-color: #3b82f6;
  background-color: rgba(37, 99, 235, 0.04);
}

.package-card.selected {
  border-color: #3b82f6;
  background-color: rgba(37, 99, 235, 0.1);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
}

.package-badge-tag {
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #2563eb;
  color: white;
  font-size: 0.64rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.package-card.selected .package-badge-tag {
  background-color: #3b82f6;
}

.package-name {
  font-size: 0.84rem;
  font-weight: 700;
  color: #f8fafc;
  margin-top: 0.15rem;
  margin-bottom: 0.25rem;
}

.package-credits {
  font-size: 1.35rem;
  font-weight: 800;
  color: #60a5fa;
  line-height: 1.1;
}

.package-credits-lbl {
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.package-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-top: auto;
  padding-top: 0.45rem;
  border-top: 1px solid var(--border-color);
}

/* Payment Checkout Section */
.payment-checkout-section {
  background-color: rgba(14, 19, 32, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
}

.payment-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  gap: 0.5rem;
}

.payment-subheading {
  font-size: 0.9rem;
  font-weight: 700;
  color: #f8fafc;
}

.payment-alternative-badge {
  font-size: 0.7rem;
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: inline-block;
  margin-top: 0.15rem;
}

.selected-package-summary {
  text-align: right;
}

.selected-package-summary span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.selected-package-summary strong {
  font-size: 1.18rem;
  color: #60a5fa;
}

.payment-buttons-stack {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.accepted-cards-row {
  text-align: center;
  font-size: 0.74rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  margin-top: 0.1rem;
}

.accepted-cards-row strong {
  color: #cbd5e1;
}

/* Revolut Branded Button */
.btn-revolut {
  background-color: #0075eb;
  border-color: #2b8cf5;
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 117, 235, 0.3);
  min-height: 44px;
  font-size: 0.9rem;
  border-radius: 8px;
}

.btn-revolut:hover, .btn-revolut:active {
  background-color: #0060c2;
  border-color: #0075eb;
}

/* Revolut Confirmation Step (Guidato in 3 Step chiari) */
.revolut-confirm-box {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.9rem;
  margin-top: 0.4rem;
  text-align: left;
}

.revolut-confirm-intro {
  margin-bottom: 0.75rem;
}

.revolut-confirm-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: #f1f5f9;
}

.revolut-step-item {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.55rem;
}

.revolut-step-item .step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.revolut-step-item .step-content {
  flex: 1;
  min-width: 0;
}

.revolut-step-item .step-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 0.35rem;
}

.revolut-step-item .step-hint {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
  line-height: 1.35;
}

.revolut-ref-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0b0f19;
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  gap: 0.5rem;
}

.revolut-ref-badge code {
  color: #60a5fa;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.btn-copy-code {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #93c5fd;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.74rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-copy-code:hover, .btn-copy-code:active {
  background: #2563eb;
  color: #fff;
}

.revolut-confirm-box input.form-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 16px; /* prevent iOS zoom */
}

.revolut-confirm-box input.form-input:focus {
  border-color: #3b82f6;
  outline: none;
}

.payment-status-box {
  background-color: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 7px;
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
  color: #93c5fd;
  margin-top: 0.75rem;
  text-align: center;
}

.payment-security-note {
  font-size: 0.74rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.4;
}

/* ================= ADMIN DASHBOARD ================= */
.admin-card {
  border-color: rgba(139, 92, 246, 0.25);
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: rgba(14, 19, 32, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-icon-wrapper {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-wrapper.warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.stat-icon-wrapper.admin {
  background-color: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}

.stat-data .stat-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: #f1f5f9;
  line-height: 1.1;
}

.stat-data .stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.15rem;
}

.admin-filter-bar {
  margin-bottom: 1rem;
}

.admin-filter-bar input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.55rem 0.85rem;
  border-radius: 7px;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}

.admin-filter-bar input:focus {
  border-color: var(--primary-border);
}

.admin-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(14, 19, 32, 0.5);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.84rem;
}

.admin-table th {
  background: rgba(21, 27, 40, 0.9);
  padding: 0.65rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid rgba(36, 47, 69, 0.4);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: rgba(28, 36, 54, 0.3);
}

.user-cell {
  display: flex;
  flex-direction: column;
}

.user-cell .user-email {
  font-weight: 600;
  color: #f8fafc;
}

.user-cell .user-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.role-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}

.role-badge.admin {
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.role-badge.user {
  background: rgba(37, 99, 235, 0.12);
  color: #93c5fd;
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.credit-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.82rem;
}

.credit-badge.positive {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.credit-badge.zero {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.btn-action-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.btn-credit-pill-act {
  background: #1e293b;
  border: 1px solid #334155;
  color: #e2e8f0;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  font-weight: 600;
  font-size: 0.76rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-credit-pill-act:hover {
  background: #2d3b55;
  border-color: #475569;
}

.btn-credit-pill-act.green:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #34d399;
}

.btn-credit-pill-act.amber:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: #f59e0b;
  color: #fbbf24;
}

.btn-delete-user {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: 0.25rem 0.5rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-delete-user:hover {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.3);
}

/* ================= ALERTS & TOASTS ================= */
.alert-error {
  background-color: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #fca5a5;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  font-size: 0.82rem;
  margin-bottom: 0.85rem;
}

.alert-warning-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fcd34d;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
}

.alert-info-box {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  color: #93c5fd;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-size: 0.82rem;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-warning-box .alert-content {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: #1e293b;
  color: white;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  padding: 0.75rem 1.1rem;
  border-radius: 7px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  z-index: 2000;
  transition: all 0.25s ease;
}

.toast.toast-success {
  border-left-color: var(--accent-emerald);
}

.toast.toast-error {
  border-left-color: var(--accent-rose);
}

/* Modal Close Button */
.modal-close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: all 0.15s ease;
  z-index: 50;
  touch-action: manipulation;
}

.modal-close-btn:hover, .modal-close-btn:active {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: #475569;
}

.modal-actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ================= FOOTER ================= */
.app-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 1.15rem 0;
  margin-top: auto;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* Utilities */
.hidden { display: none !important; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.85rem; }
.mb-2 { margin-bottom: 0.5rem; }
.text-center { text-align: center; }

/* ================= RESPONSIVE SYSTEM (MOBILE FIRST & DESKTOP) ================= */

@media (max-width: 820px) {
  .input-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-wrap: wrap;
    row-gap: 0.45rem;
    justify-content: space-between;
  }

  .brand {
    order: 1;
  }

  .header-status {
    order: 2;
    gap: 0.4rem;
  }

  .main-nav {
    order: 3;
    width: 100%;
    margin-top: 0.25rem;
    display: flex;
    background: rgba(14, 19, 32, 0.65);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3px;
    gap: 3px;
  }

  .nav-tab {
    flex: 1;
    justify-content: center;
    min-height: 38px;
    padding: 0.4rem 0.5rem;
    font-size: 0.82rem;
  }

  .packages-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .card {
    padding: 1.15rem;
  }

  .compito-card {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

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

  .btn-mobile-block {
    width: 100%;
  }

  .results-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .results-actions {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .results-actions .btn {
    flex: 1;
    font-size: 0.82rem;
    padding: 0.5rem;
    min-height: 38px;
  }

  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Smartphone & Piccoli Schermi (fino a 640px) */
@media (max-width: 640px) {
  /* Previene lo zoom automatico sgradevole su iOS Safari */
  input, select, textarea, .form-group input, .form-input, .text-zone-wrapper textarea {
    font-size: 16px !important;
  }

  .container {
    padding: 0 0.75rem;
  }

  /* Header pulito a 2 righe su cellulare */
  .app-header {
    padding: 0.45rem 0 0.35rem;
  }

  .brand-logo {
    font-size: 1.35rem;
  }

  .brand-text h1 {
    font-size: 1.1rem;
  }

  .ai-status-pill {
    display: none !important;
  }

  .user-profile {
    padding: 0.25rem 0.5rem;
    gap: 0.35rem;
  }

  .user-name {
    display: none;
  }

  .user-avatar-circle {
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }

  .credits-pill {
    padding: 0.3rem 0.6rem;
    font-size: 0.78rem;
    gap: 0.35rem;
  }

  .credits-recharge-badge {
    padding: 0.12rem 0.35rem;
    font-size: 0.68rem;
  }

  /* Modali su Mobile: mai tagliati, scrollabili e comodi */
  .modal-overlay {
    padding: 0.5rem;
    align-items: flex-end;
  }

  .modal-card {
    border-radius: 18px 18px 12px 12px;
    padding: 1.25rem 0.9rem 1.35rem;
    max-height: calc(100dvh - 1rem);
    max-width: 100%;
  }

  .credits-shop-modal-card {
    padding: 1.15rem 0.85rem 1.25rem !important;
  }

  .modal-close-btn {
    top: 0.65rem;
    right: 0.65rem;
  }

  .modal-header h2 {
    font-size: 1.15rem;
  }

  .modal-header p {
    font-size: 0.78rem;
  }

  .current-balance-banner {
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
  }

  /* Griglia pacchetti 2x2 compatta: tutti i 4 pacchetti visibili insieme */
  .packages-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
    padding-top: 6px;
  }

  .package-card {
    padding: 0.75rem 0.45rem 0.65rem;
    border-radius: 9px;
  }

  .package-badge-tag {
    font-size: 0.6rem;
    padding: 0.08rem 0.4rem;
    top: -8px;
  }

  .package-name {
    font-size: 0.78rem;
    margin-bottom: 0.15rem;
  }

  .package-credits {
    font-size: 1.25rem;
  }

  .package-credits-lbl {
    font-size: 0.62rem;
    margin-bottom: 0.35rem;
  }

  .package-price {
    font-size: 0.98rem;
    padding-top: 0.35rem;
  }

  /* Checkout Ricarica Mobile */
  .payment-checkout-section {
    padding: 0.75rem 0.65rem;
    border-radius: 9px;
  }

  .payment-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    margin-bottom: 0.65rem;
  }

  .selected-package-summary {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 0.45rem;
    text-align: left;
  }

  .selected-package-summary span {
    font-size: 0.75rem;
  }

  .selected-package-summary strong {
    font-size: 1.15rem;
  }

  .btn-revolut {
    min-height: 48px;
    font-size: 0.88rem;
    width: 100%;
  }

  .accepted-cards-row {
    font-size: 0.7rem;
    padding: 0.35rem 0.45rem;
  }

  .revolut-confirm-box {
    padding: 0.75rem 0.65rem;
  }

  .revolut-step-item {
    padding: 0.6rem 0.65rem;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .revolut-step-item .step-num {
    width: 20px;
    height: 20px;
    font-size: 0.68rem;
  }

  .revolut-step-item .step-label {
    font-size: 0.78rem;
    margin-bottom: 0.3rem;
  }

  .revolut-step-item .step-hint {
    font-size: 0.7rem;
  }

  .revolut-ref-badge {
    padding: 0.35rem 0.55rem;
  }

  .revolut-ref-badge code {
    font-size: 0.95rem;
  }

  .btn-copy-code {
    padding: 0.22rem 0.45rem;
    font-size: 0.72rem;
  }

  /* Form Consegna Compito su Mobile */
  .card {
    padding: 0.95rem 0.75rem;
    border-radius: 12px;
  }

  .section-title h2 {
    font-size: 1.1rem;
  }

  .section-title p {
    font-size: 0.78rem;
  }

  .drop-zone {
    min-height: 125px;
    padding: 0.85rem 0.65rem;
  }

  .drop-title {
    font-size: 0.82rem;
  }

  .drop-subtitle {
    font-size: 0.68rem;
  }

  .text-zone-wrapper textarea {
    min-height: 125px;
    padding: 0.65rem;
  }

  .accordion-toggle {
    padding: 0.55rem 0.75rem;
    font-size: 0.8rem;
  }

  .fields-row {
    flex-direction: column;
    gap: 0.45rem;
  }

  .btn-mobile-block {
    width: 100%;
    min-height: 48px;
    font-size: 0.95rem;
    font-weight: 600;
  }

  /* Results Workspace su Mobile */
  .results-header {
    gap: 0.65rem;
  }

  .meta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .results-actions {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }

  #btn-download-zip {
    order: 1;
    width: 100%;
    min-height: 44px;
    font-size: 0.88rem;
    font-weight: 600;
  }

  #btn-copy-readme, #btn-print-doc {
    order: 2;
    width: 100%;
    min-height: 38px;
    font-size: 0.82rem;
  }

  .tabs-nav {
    padding-bottom: 0.35rem;
    gap: 0.3rem;
  }

  .tabs-nav::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    padding: 0.45rem 0.65rem;
    font-size: 0.78rem;
  }

  .markdown-preview {
    padding: 0.9rem;
    font-size: 0.88rem;
    max-height: 440px;
  }

  .code-box, .raw-code-box {
    padding: 0.75rem;
    font-size: 0.8rem;
    max-height: 360px;
  }

  .terminal-window {
    border-radius: 8px;
  }

  .terminal-body {
    padding: 0.75rem;
    font-size: 0.78rem;
    max-height: 280px;
  }

  /* Admin Dashboard Mobile */
  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem;
  }

  .stat-card {
    padding: 0.6rem 0.65rem;
    gap: 0.45rem;
  }

  .stat-icon-wrapper {
    width: 32px;
    height: 32px;
  }

  .stat-data .stat-val {
    font-size: 1.1rem;
  }

  .stat-data .stat-lbl {
    font-size: 0.65rem;
  }

  .admin-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
  }

  .admin-table {
    min-width: 560px;
    font-size: 0.78rem;
  }
}

/* Schermi Ultra-Compatti (<= 380px) */
@media (max-width: 380px) {
  .brand-text h1 {
    font-size: 0.98rem;
  }

  .credits-pill {
    padding: 0.28rem 0.45rem;
  }

  .credits-count {
    font-size: 0.74rem;
  }

  .credits-recharge-badge {
    font-size: 0.64rem;
  }

  .package-credits {
    font-size: 1.15rem;
  }

  .package-price {
    font-size: 0.92rem;
  }
}

/* Print Media */
@media print {
  body {
    background-color: white !important;
    color: black !important;
  }
  .app-header, 
  .input-card, 
  .loading-card, 
  .compiti-card, 
  .admin-card,
  .results-header .results-actions,
  .tabs-nav,
  .pane-toolbar,
  .app-footer,
  .modal-overlay,
  .toast {
    display: none !important;
  }
  .main-content {
    padding: 0 !important;
    margin: 0 !important;
  }
  .card, .markdown-preview {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }
  .tab-pane {
    display: none !important;
  }
  #tab-readme {
    display: block !important;
  }
  #readme-rendered {
    display: block !important;
  }
  #readme-raw {
    display: none !important;
  }
}