/* ==========================================================================
   Eisenhower Matrix - Modern Design System (CSS Variables & Global Styles)
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  /* Quadrant Colors & Glows */
  --q1-accent: #f43f5e; /* Urgente & Importante - Do First */
  --q1-bg: rgba(244, 63, 94, 0.08);
  --q1-border: rgba(244, 63, 94, 0.25);
  --q1-glow: rgba(244, 63, 94, 0.2);

  --q2-accent: #6366f1; /* Non Urgente & Importante - Schedule */
  --q2-bg: rgba(99, 102, 241, 0.08);
  --q2-border: rgba(99, 102, 241, 0.25);
  --q2-glow: rgba(99, 102, 241, 0.2);

  --q3-accent: #f59e0b; /* Urgente & Non Importante - Delegate */
  --q3-bg: rgba(245, 158, 11, 0.08);
  --q3-border: rgba(245, 158, 11, 0.25);
  --q3-glow: rgba(245, 158, 11, 0.2);

  --q4-accent: #64748b; /* Non Urgente & Non Importante - Eliminate */
  --q4-bg: rgba(100, 116, 139, 0.08);
  --q4-border: rgba(100, 116, 139, 0.25);
  --q4-glow: rgba(100, 116, 139, 0.2);

  --inbox-accent: #06b6d4; /* Inbox / Backlog */
  --inbox-bg: rgba(6, 182, 212, 0.08);
  --inbox-border: rgba(6, 182, 212, 0.25);
  --inbox-glow: rgba(6, 182, 212, 0.2);

  /* Priorities */
  --p-high: #f43f5e;
  --p-med: #f59e0b;
  --p-low: #10b981;

  /* UI Tokens */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(99, 102, 241, 0.6);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --q1-bg: rgba(244, 63, 94, 0.05);
  --q2-bg: rgba(99, 102, 241, 0.05);
  --q3-bg: rgba(245, 158, 11, 0.05);
  --q4-bg: rgba(100, 116, 139, 0.05);
  --inbox-bg: rgba(6, 182, 212, 0.05);

  --shadow-subtle: 0 4px 15px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(244, 63, 94, 0.05) 0%, transparent 40%);
}

/* Scrollbar Custom */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ==========================================================================
   Header & Navigation Bar
   ========================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 14, 23, 0.75);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.85);
}

.header-container {
  max-width: 1700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--q1-accent), var(--q2-accent));
  display: grid;
  place-items: center;
  color: white;
  box-shadow: 0 4px 12px var(--q2-glow);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--text-main) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--q2-accent);
  border: 1px solid rgba(99, 102, 241, 0.25);
  text-transform: uppercase;
}

.search-filter-section {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  max-width: 500px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  font-size: 0.875rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  font-size: 0.85rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Stats Mini Bar */
.productivity-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-progress-bar {
  width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.stat-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--inbox-accent), var(--p-low));
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.btn-icon:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Main Workspace Layout
   ========================================================================== */

.app-main {
  flex: 1;
  max-width: 1700px;
  margin: 0 auto;
  padding: 16px 20px;
  width: 100%;
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 16px;
}

@media (max-width: 1100px) {
  .app-main {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Sidebar: Inbox (Da Smistare)
   ========================================================================== */

.inbox-panel {
  background: var(--bg-card);
  border: 1px solid var(--inbox-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  height: calc(100vh - 100px);
  position: sticky;
  top: 76px;
}

.panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--inbox-accent);
  box-shadow: 0 0 8px var(--inbox-glow);
}

.panel-title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.task-count-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.inbox-quick-add {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.quick-add-form {
  display: flex;
  gap: 6px;
}

.quick-input {
  flex: 1;
  padding: 6px 10px;
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
}

.quick-input:focus {
  border-color: var(--inbox-accent);
}

/* ==========================================================================
   Matrix Grid (2x2 Eisenhower)
   ========================================================================== */

.matrix-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Axis Labels */
.axis-header-urgency {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0 4px;
}

.axis-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.axis-label::before, .axis-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  flex: 1;
}

@media (max-width: 800px) {
  .matrix-grid {
    grid-template-columns: 1fr;
  }
  .axis-header-urgency {
    display: none;
  }
}

/* Quadrant Card Component */
.quadrant-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.quadrant-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

/* Specific Quadrant Colors */
.q1-card {
  border-color: var(--q1-border);
}
.q1-card::before {
  background: var(--q1-accent);
  box-shadow: 0 0 12px var(--q1-glow);
}
.q1-card .quadrant-dot {
  background: var(--q1-accent);
  box-shadow: 0 0 8px var(--q1-glow);
}

.q2-card {
  border-color: var(--q2-border);
}
.q2-card::before {
  background: var(--q2-accent);
  box-shadow: 0 0 12px var(--q2-glow);
}
.q2-card .quadrant-dot {
  background: var(--q2-accent);
  box-shadow: 0 0 8px var(--q2-glow);
}

.q3-card {
  border-color: var(--q3-border);
}
.q3-card::before {
  background: var(--q3-accent);
  box-shadow: 0 0 12px var(--q3-glow);
}
.q3-card .quadrant-dot {
  background: var(--q3-accent);
  box-shadow: 0 0 8px var(--q3-glow);
}

.q4-card {
  border-color: var(--q4-border);
}
.q4-card::before {
  background: var(--q4-accent);
  box-shadow: 0 0 12px var(--q4-glow);
}
.q4-card .quadrant-dot {
  background: var(--q4-accent);
  box-shadow: 0 0 8px var(--q4-glow);
}

.quadrant-header {
  padding: 10px 14px 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-color);
}

.quadrant-title-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.quadrant-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  margin-top: 5px;
  flex-shrink: 0;
}

.quadrant-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.quadrant-title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-top: 1px;
  letter-spacing: -0.01em;
}

.quadrant-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ==========================================================================
   Task List & Drop Zones (SortableJS Area)
   ========================================================================== */

.inbox-body, .quadrant-body {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 140px;
}

.task-list {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 8px 10px;
  min-height: 140px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  transition: background-color var(--transition-fast);
}

.dragging-active .task-list {
  background: rgba(255, 255, 255, 0.02);
  outline: 2px dashed rgba(255, 255, 255, 0.15);
  outline-offset: -4px;
  border-radius: var(--radius-sm);
}

/* Empty Placeholder - Absolute overlay with pointer-events: none */
.empty-placeholder {
  position: absolute;
  inset: 10px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px 10px;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  pointer-events: none;
  gap: 4px;
}

.empty-placeholder-icon {
  font-size: 1.15rem;
  opacity: 0.4;
}

.empty-placeholder-text {
  font-size: 0.72rem;
  font-weight: 500;
}

/* ==========================================================================
   Task Card Component - Compact & Sleek
   ========================================================================== */

.task-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: grab;
  user-select: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.task-card:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.task-card:active {
  cursor: grabbing;
}

/* Card Completed State */
.task-card.is-completed {
  opacity: 0.55;
  background: rgba(17, 24, 39, 0.35);
}

.task-card.is-completed .task-title {
  text-decoration: line-through;
  color: var(--text-dim);
}

/* Dragging Classes (SortableJS) */
.sortable-ghost {
  opacity: 0.25;
  background: rgba(99, 102, 241, 0.1) !important;
  border: 2px dashed var(--q2-accent) !important;
  box-shadow: none !important;
}

.sortable-chosen {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.sortable-drag {
  transform: rotate(1deg);
  opacity: 0.95;
}

.task-top-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.task-checkbox-wrapper {
  margin-top: 1px;
}

.task-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border: 1.5px solid var(--border-color);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
}

.task-checkbox:checked {
  background: var(--p-low);
  border-color: var(--p-low);
}

.task-checkbox:checked::after {
  content: "✓";
  font-size: 10px;
  font-weight: 800;
  color: #ffffff;
}

.task-content {
  flex: 1;
  min-width: 0;
}

.task-title {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
  word-break: break-word;
}

.task-description {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.3;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding-top: 3px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.68rem;
  flex-wrap: wrap;
}

.task-tags-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.priority-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.6rem;
}

.priority-high {
  background: rgba(244, 63, 94, 0.15);
  color: var(--p-high);
}

.priority-medium {
  background: rgba(245, 158, 11, 0.15);
  color: var(--p-med);
}

.priority-low {
  background: rgba(16, 185, 129, 0.15);
  color: var(--p-low);
}

.tag-pill {
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.62rem;
}

.due-date-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--text-dim);
  font-size: 0.65rem;
}

.due-date-pill.is-urgent {
  color: var(--q1-accent);
  font-weight: 600;
}

/* Card Actions */
.task-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0.35;
  transition: opacity var(--transition-fast);
}

.task-card:hover .task-actions {
  opacity: 1;
}

.task-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
}

.task-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.task-btn.btn-delete:hover {
  color: var(--q1-accent);
}

/* ==========================================================================
   Modal Dialog (Create / Edit Task)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  place-items: center;
  padding: 20px;
}

.modal-backdrop.is-open {
  display: grid;
}

.modal-window {
  width: 100%;
  max-width: 520px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  animation: modalScaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.875rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-focus);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastSlideUp 0.25s ease-out;
}

@keyframes toastSlideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   User Profile & Authentication System Styles
   ========================================================================== */

.user-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.user-avatar-icon {
  font-size: 0.95rem;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.8rem;
}

.auth-modal-window {
  position: relative;
  max-width: 420px;
  width: 90%;
  padding: 30px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  animation: modalScaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 1.1rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 22px;
}

.auth-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  color: #ffffff;
  margin-bottom: 12px;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.auth-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  gap: 8px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 10px 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

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

.auth-tab.is-active {
  color: var(--text-main);
  border-bottom-color: #6366f1;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-submit-btn {
  width: 100%;
  padding: 11px 16px;
  justify-content: center;
  margin-top: 6px;
  font-weight: 700;
}

.auth-error-box {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #fb7185;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 14px;
  line-height: 1.4;
}

.auth-cloud-hint {
  margin-top: 18px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.link-btn {
  background: none;
  border: none;
  color: #818cf8;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px;
  font-weight: 600;
  transition: all 0.2s ease;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link-btn:hover {
  color: #a5b4fc;
}

.supabase-status-info {
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-main);
}

/* ==========================================================================
   Ruoli Utente (Admin / Utente) & Pannello Amministrazione
   ========================================================================== */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 9999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-badge.role-admin {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.role-badge.role-utente {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.admin-system-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
}

.admin-system-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.admin-system-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.badge-status {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 9999px;
  font-weight: 600;
}

.badge-status.is-connected {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-status.is-local {
  background: rgba(99, 102, 241, 0.18);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.admin-system-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.admin-info-item {
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-info-item .info-label {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.admin-info-item .info-val {
  font-weight: 600;
  color: var(--text-main);
}

.admin-help-box {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid #6366f1;
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.admin-users-section {
  margin-top: 16px;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-title-row h4 {
  font-size: 0.92rem;
  font-weight: 700;
}

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.admin-table th {
  background: var(--bg-primary);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.btn-del-user {
  background: none;
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-del-user:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}