/* ==========================================================================
   SST WEB APP V2.0 - CYBER-NEUMORPHIC & GLASSMORPHIC DESIGN SYSTEM
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CSS VARIABLES (:root, Dark & Light Themes)
   -------------------------------------------------------------------------- */
:root, [data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-surface: rgba(20, 27, 44, 0.75);
  --bg-surface-hover: rgba(30, 41, 67, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-blur: blur(16px);
  --border-color: rgba(255, 255, 255, 0.10);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.35);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  --success-green: #10b981;
  --success-glow: rgba(16, 185, 129, 0.35);
  --warning-orange: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.35);
  --danger-red: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.35);
  --xp-purple: #8b5cf6;
  --xp-purple-glow: rgba(139, 92, 246, 0.40);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 20px var(--accent-blue-glow);
  --shadow-neu-dark: 6px 6px 14px #070a11, -6px -6px 14px #0f1421;
  --shadow-neu-inset: inset 3px 3px 6px #070a11, inset -3px -3px 6px #0f1421;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
}

[data-theme="light"] {
  --bg-main: #f0f4f8;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-surface-hover: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(255, 255, 255, 0.60);
  --glass-border-hover: rgba(255, 255, 255, 0.90);
  --glass-blur: blur(12px);
  --border-color: rgba(203, 213, 225, 0.60);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --accent-blue: #2563eb;
  --accent-blue-glow: rgba(37, 99, 235, 0.25);
  --accent-cyan: #0891b2;
  --accent-cyan-glow: rgba(8, 145, 178, 0.25);
  --success-green: #059669;
  --success-glow: rgba(5, 150, 105, 0.25);
  --warning-orange: #d97706;
  --warning-glow: rgba(217, 119, 6, 0.25);
  --danger-red: #dc2626;
  --danger-glow: rgba(220, 38, 38, 0.25);
  --xp-purple: #7c3aed;
  --xp-purple-glow: rgba(124, 58, 237, 0.30);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(149, 157, 165, 0.20);
  --shadow-glow: 0 0 20px var(--accent-blue-glow);
  --shadow-neu-dark: 6px 6px 14px #d1d9e6, -6px -6px 14px #ffffff;
  --shadow-neu-inset: inset 3px 3px 6px #d1d9e6, inset -3px -3px 6px #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

html {
  min-height: 100%;
  overflow-y: auto;
}

body {
  background-color: var(--bg-main);
  background-image:
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  height: auto;
  overflow-y: auto !important;
  overflow-x: clip;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.main-container, .content-area {
  min-height: 100%;
  height: auto;
  overflow-y: auto;
  padding-top: 0px;
}

.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.glass-card {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  border-color: var(--glass-border-hover);
}

.app-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.module-timer {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}

.timer-container {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 32px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.progress-ring { transform: rotate(-90deg); }
.progress-ring__circle {
  stroke-dasharray: 553;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.3s ease;
  stroke-linecap: round;
}
.timer-display {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#time-display {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
#timer-status {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 8px;
}

.global-controls { display: flex; flex-direction: column; gap: 12px; }
.btn {
  width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-blue-glow);
}
.btn-primary:hover {
  background-color: #2563eb;
  box-shadow: 0 6px 20px var(--accent-blue-glow);
  transform: translateY(-1px);
}

.btn-task {
  width: auto;
  padding: 8px 14px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-task.btn-primary:hover {
  transform: translateY(-1px);
}

.task-card {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}
.modal-content {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  padding: 24px;
  border-radius: var(--radius-md);
  width: 90%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--glass-border);
}
.hidden { display: none !important; }

/* --------------------------------------------------------------------------
   SETTINGS PAGE — form controls (mancavano: erano input nativi non stilizzati)
   -------------------------------------------------------------------------- */
.input-form, .filter-select {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  margin-bottom: 14px;
  background: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input-form:hover, .filter-select:hover { border-color: var(--glass-border-hover); }
.input-form:focus, .filter-select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}
select.input-form { cursor: pointer; }
.input-form::placeholder { color: var(--text-muted); }

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger-red);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.22); }

/* Sezioni Impostazioni: stessa .module-timer, con un bordo sinistro colorato
   per categoria — codifica visiva reale (natura del parametro), non decorazione. */
#vista-impostazioni .module-timer {
  border-left: 3px solid var(--border-color);
  margin-bottom: 0;
}
#vista-impostazioni .module-timer + .module-timer { margin-top: 20px; }
.settings-section--identity { border-left-color: var(--accent-cyan); }
.settings-section--priority { border-left-color: var(--xp-purple); }
.settings-section--ai { border-left-color: var(--accent-blue); }
.settings-section--timer { border-left-color: var(--accent-cyan); }
.settings-section--budget { border-left-color: var(--success-green); }
.settings-section--danger { border-left-color: var(--danger-red); }
.settings-section--passive { border-left-color: var(--success-green); }
.settings-section--prompts { border-left-color: var(--xp-purple); }

/* Barra di navigazione rapida tra sezioni: la pagina è lunga, i link sono
   wayfinding reale (ogni sezione esiste davvero), non un elenco decorativo. */
.settings-quicknav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  margin-bottom: 20px;
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.settings-quicknav a {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.settings-quicknav a:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.10);
}

.settings-actions-sticky {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px;
  margin-top: 8px;
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Card per singola fase nel Configuratore Dettagli Fasi: <details> nativo,
   collassata di default per non affogare l'utente in N card aperte insieme. */
.fase-card { padding: 0 !important; overflow: hidden; }
.fase-card summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
}
.fase-card summary::-webkit-details-marker { display: none; }
.fase-card summary::before {
  content: "▸";
  color: var(--accent-blue);
  margin-right: 8px;
  transition: transform 0.15s ease;
  display: inline-block;
}
.fase-card[open] summary::before { transform: rotate(90deg); }
.fase-card .fase-card-body {
  padding: 0 16px 16px 16px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

@media (min-width: 992px) {
  .app-container {
    min-height: 100vh;
    grid-template-columns: 350px 1fr;
    align-items: start;
  }
}

/* TOAST POPUP NOTIFICATIONS & ANIMATIONS */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

@keyframes toastSlideIn {
  0% {
    opacity: 0;
    transform: translateX(120%) scale(0.85);
  }
  70% {
    opacity: 1;
    transform: translateX(-10px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastSlideOut {
  0% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(120%) scale(0.9);
  }
}

.toast {
  background: var(--bg-surface, #1e293b);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--accent-blue, #3b82f6);
  color: var(--text-primary, #f8fafc);
  padding: 14px 20px;
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
  transform: translateX(100%);
  animation: toastSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.toast.success {
  border-left-color: #10b981;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(16, 185, 129, 0.3);
}

.toast.warning {
  border-left-color: #f59e0b;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(245, 158, 11, 0.3);
}

.toast.error {
  border-left-color: #ef4444;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(239, 68, 68, 0.3);
}

.toast.info {
  border-left-color: #3b82f6;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(59, 130, 246, 0.3);
}

.toast.level-up {
  border-left-color: #8b5cf6;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, var(--bg-surface, #1e293b) 100%);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 25px rgba(139, 92, 246, 0.4);
}

.toast.fade-out {
  animation: toastSlideOut 0.3s ease-in forwards;
}