:root {
  color-scheme: dark;
  --page-max-width: 1340px;
  --page-padding: clamp(2rem, 5vw, 3.5rem);
  --bg-gradient: radial-gradient(1200px 800px at 90% -10%, rgba(124,58,237,.28), transparent 60%),
                  radial-gradient(900px 700px at -10% 20%, rgba(14,165,233,.22), transparent 60%),
                  linear-gradient(180deg, #0b1020, #0f172a);
  --text-color: #f8fafc;
  --muted-color: #cbd5f5;
  --text-secondary: #94a3b8;
  --accent-primary: #38bdf8;
  --accent-secondary: #7c3aed;
  --panel-bg: rgba(15,23,42,0.82);
  --panel-border: rgba(148,163,184,0.18);
  --panel-shadow: 0 24px 48px rgba(2,6,23,0.45);
  --panel-secondary-bg: rgba(15,23,42,0.65);
  --panel-secondary-border: rgba(148,163,184,0.18);
  --brand-muted: #cbd5f5;
  --info-bg: rgba(56,189,248,0.12);
  --info-border: rgba(56,189,248,0.25);
  --list-bg: rgba(79,70,229,0.12);
  --list-border: rgba(79,70,229,0.25);
  --event-bg: rgba(79,70,229,0.12);
  --event-border: rgba(129,140,248,0.25);
  --log-bg: rgba(15,23,42,0.6);
  --log-border: rgba(148,163,184,0.14);
  --status-warning: #facc15;
  --status-error: #fb7185;
  --button-secondary-bg: rgba(148,163,184,0.18);
  --button-secondary-hover: rgba(148,163,184,0.28);
  --button-warning-bg: rgba(251,191,36,0.18);
  --button-warning-hover: rgba(251,191,36,0.32);
  --button-warning-color: #facc15;
  --card-icon-bg: rgba(148,163,184,0.08);
  --card-icon-border: rgba(148,163,184,0.16);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-gradient: linear-gradient(180deg, #eef2ff, #f8fbff);
  --text-color: #0f172a;
  --muted-color: #475569;
  --text-secondary: #64748b;
  --accent-primary: #0ea5e9;
  --accent-secondary: #6366f1;
  --panel-bg: rgba(255,255,255,0.95);
  --panel-border: rgba(148,163,184,0.28);
  --panel-shadow: 0 18px 30px rgba(15,23,42,0.16);
  --panel-secondary-bg: rgba(255,255,255,0.9);
  --panel-secondary-border: rgba(203,213,225,0.45);
  --brand-muted: #475569;
  --info-bg: rgba(14,165,233,0.16);
  --info-border: rgba(14,165,233,0.3);
  --list-bg: rgba(129,140,248,0.18);
  --list-border: rgba(129,140,248,0.32);
  --event-bg: rgba(129,140,248,0.12);
  --event-border: rgba(129,140,248,0.38);
  --log-bg: rgba(243,244,246,0.95);
  --log-border: rgba(148,163,184,0.22);
  --status-warning: #d97706;
  --status-error: #dc2626;
  --button-secondary-bg: rgba(148,163,184,0.18);
  --button-secondary-hover: rgba(148,163,184,0.32);
  --button-warning-bg: rgba(250,179,8,0.2);
  --button-warning-hover: rgba(250,179,8,0.34);
  --button-warning-color: #d97706;
  --card-icon-bg: rgba(148,163,184,0.12);
  --card-icon-border: rgba(148,163,184,0.2);
}

body.game-page {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-color);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

.bg-effects { display: none; }

.container {
  max-width: min(var(--page-max-width, 1340px), 96vw);
  margin: 0 auto;
  padding: var(--page-padding);
  box-sizing: border-box;
}

.tool-page--cittaattacco .header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  box-shadow: var(--panel-shadow);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--card-icon-bg);
  border: 1px solid var(--card-icon-border);
  color: var(--accent-primary);
  transition: transform 0.2s ease;
}

.brand-icon:hover { transform: translateY(-2px); }
.brand-icon svg { width: 32px; height: 32px; }

.brand-text h1 {
  margin: 0 0 6px 0;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  letter-spacing: 0.015em;
}

.brand-text p {
  margin: 0;
  color: var(--brand-muted);
  max-width: 520px;
  line-height: 1.4;
}

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

.tool-page--cittaattacco .btn,
.tool-page--cittaattacco .btn-secondary,
.tool-page--cittaattacco .btn-warning {
  border: none;
  cursor: pointer;
  border-radius: 12px;
  padding: 0.65rem 1.3rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, color 0.2s ease;
}

.tool-page--cittaattacco .btn {
  color: #0b1020;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 8px 18px rgba(56,189,248,0.25);
}

.tool-page--cittaattacco .btn:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(56,189,248,0.33); }
.tool-page--cittaattacco .btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

.tool-page--cittaattacco .btn.secondary,
.tool-page--cittaattacco .btn-secondary {
  background: linear-gradient(135deg, rgba(148,163,184,0.24), rgba(100,116,139,0.35));
  color: var(--text-color);
  box-shadow: 0 6px 16px rgba(148,163,184,0.2);
}

.tool-page--cittaattacco .btn.secondary:hover,
.tool-page--cittaattacco .btn-secondary:hover {
  background: linear-gradient(135deg, rgba(148,163,184,0.32), rgba(100,116,139,0.42));
}

.tool-page--cittaattacco .btn-warning {
  background: linear-gradient(135deg, #f97316, #facc15);
  color: #0b1020;
  box-shadow: 0 10px 18px rgba(249,115,22,0.25);
  border: 1px solid rgba(234,179,8,0.45);
}

.tool-page--cittaattacco .btn-warning:hover {
  background: linear-gradient(135deg, #fb923c, #fde047);
  box-shadow: 0 12px 22px rgba(249,115,22,0.32);
}

.tool-page--cittaattacco .btn:disabled,
.tool-page--cittaattacco .btn-secondary:disabled,
.tool-page--cittaattacco .btn-warning:disabled {
  background: rgba(148,163,184,0.14);
  color: rgba(248,250,252,0.65);
  box-shadow: none;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  padding: clamp(1.3rem, 3vw, 2rem);
  box-shadow: var(--panel-shadow);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.lobby .field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.lobby .row { display: flex; gap: 0.6rem; }

.lobby .row .btn,
.header-controls .btn,
.header-controls .btn-secondary {
  min-width: 150px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
}

.lobby input {
  flex: 1;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: rgba(15,23,42,0.6);
  color: inherit;
  padding: 0.65rem 0.8rem;
  font-size: 1rem;
}

:root[data-theme="light"] .lobby input {
  background: rgba(248,250,252,0.95);
  color: var(--text-color);
}

.info-block {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  border-radius: 16px;
  padding: 0.85rem 1.1rem;
  margin-bottom: 1.2rem;
  color: var(--accent-primary);
}

.players ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.players li {
  padding: 0.6rem 0.75rem;
  border-radius: 12px;
  background: var(--list-bg);
  border: 1px solid var(--list-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-text {
  margin-top: 0.8rem;
  color: var(--status-warning);
}

.status-text.error { color: var(--status-error); }

.hidden { display: none !important; }

.game-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.city-status {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.city-status .stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: rgba(148,163,184,0.08);
  border-radius: 16px;
  padding: 0.9rem 1rem;
}

.health-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(15,23,42,0.35);
  overflow: hidden;
}

#health-bar-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg,#22c55e,#f97316);
  transition: width .3s ease, background .3s ease;
}

.city-status ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.city-status ul li {
  padding: 0.5rem 0.7rem;
  border-radius: 10px;
  background: rgba(15,23,42,0.55);
  border: 1px solid var(--panel-border);
  font-size: 0.95rem;
}

.log {
  max-height: 220px;
  overflow-y: auto;
  border-radius: 16px;
  padding: 1rem;
  font-size: 0.93rem;
  background: var(--log-bg);
  border: 1px solid var(--log-border);
}

.log p {
  margin: 0 0 0.7rem;
  color: var(--muted-color);
}

.event-panel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.event-card {
  background: var(--event-bg);
  border: 1px solid var(--event-border);
  border-radius: 18px;
  padding: clamp(1rem, 3vw, 1.5rem);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.event-card h3 { margin-top: 0; font-size: 1.35rem; }
.event-info { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-top: 1rem; color: var(--text-secondary); }
.event-info strong { font-size: 1.4rem; color: var(--accent-primary); }
.event-profile-detail { margin-top: 0.75rem; font-size: 0.95rem; line-height: 1.45; color: var(--text-secondary); }

.action-panel {
  background: var(--panel-secondary-bg);
  border: 1px solid var(--panel-secondary-border);
  border-radius: 18px;
  padding: clamp(1rem, 3vw, 1.4rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.action-slider { display: flex; flex-direction: column; gap: 0.4rem; }
.action-slider input { width: 100%; accent-color: var(--accent-primary); }
.range-values { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-secondary); }
.range-values span[data-level] { min-width: 48px; text-align: center; }
.range-values span.unavailable { opacity: 0.4; }
.resource-summary { margin: -0.2rem 0 0; font-size: 0.95rem; color: var(--text-secondary); }
.resource-summary strong { color: var(--accent-primary); }

.info-panel {
  margin: clamp(1.8rem, 4vw, 3.5rem) 0;
  display: flex;
  flex-direction: column;
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.info-panel ul { padding-left: 1.1rem; }
.info-panel li { margin-bottom: 0.45rem; }

.info-section {
  background: rgba(148,163,184,0.08);
  border: 1px solid rgba(148,163,184,0.14);
  border-radius: 16px;
  padding: clamp(1rem, 3vw, 1.4rem);
  line-height: 1.6;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.info-section h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2.2vw, 1.1rem);
}

:root[data-theme="light"] .info-section {
  background: rgba(226,232,240,0.55);
  border-color: rgba(203,213,225,0.6);
}

.details summary {
  cursor: pointer;
}

:root[data-theme="light"] .city-status .stat { background: rgba(226,232,240,0.6); }
:root[data-theme="light"] .city-status ul li { background: rgba(226,232,240,0.8); }
:root[data-theme="light"] .log p { color: #1f2937; }

@media (max-width: 1024px) {
  .game-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .tool-page--cittaattacco .header { flex-direction: column; align-items: stretch; }
  .header-controls { justify-content: space-between; }
  .panel { border-radius: 20px; }
  .log { max-height: 180px; }
}

@media (max-width: 540px) {
  .container { padding: clamp(1.4rem, 6vw, 2rem); }
  .tool-page--cittaattacco .header { padding: 1.4rem; }
  .panel { padding: 1rem; }
  .tool-page--cittaattacco .btn,
  .tool-page--cittaattacco .btn.secondary,
  .tool-page--cittaattacco .btn-warning { width: 100%; justify-content: center; }
  .header-controls {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }
  .header-controls .btn,
  .header-controls .btn.secondary {
    width: auto;
    flex: 1 1 auto;
    justify-content: center;
  }
  .header-controls .theme-toggle {
    width: 44px;
    flex: 0 0 44px;
  }
  .brand-icon { width: 48px; height: 48px; }
}