/* Estrutura do app: cabeçalho, navegação e área principal. */

/* ─── APP LAYOUT ─── */
#app { display: none; height: 100vh; flex-direction: column; }
#app.visible { display: flex; }

/* ─── HEADER ─── */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--bg2);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-logo {
  width: 36px; height: 36px; background: var(--accent);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.header-title { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 16px; }
.header-title span { color: var(--acc-ink); }
.header-logo svg, .logo-icon svg { width: 72%; height: 72%; }
.brand-word { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; letter-spacing: -0.04em; }
.header-title.brand-word { font-size: 22px; }
.brand-word span { color: var(--acc-ink); }
.header-right { display: flex; align-items: center; gap: 12px; }
.month-nav { display: flex; align-items: center; gap: 8px; }
.month-nav button {
  background: var(--bg3); border: 1px solid var(--border); color: var(--text);
  width: 30px; height: 30px; border-radius: 8px; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.month-nav button:hover { background: var(--border); }
.month-display {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 14px; font-weight: 700;
  min-width: 110px; text-align: center;
}
.user-badge {
  display: flex; align-items: center; gap: 8px; padding: 6px 12px;
  background: var(--bg3); border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; cursor: pointer; transition: border-color 0.2s; position: relative;
}
.user-badge:hover { border-color: var(--border2); }
.user-avatar {
  width: 26px; height: 26px; border-radius: 50%; background: var(--accent2);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700;
}
.user-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 180px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px; z-index: 100; display: none; box-shadow: var(--shadow);
}
.user-menu.open { display: block; }
.user-menu-item {
  padding: 10px 12px; border-radius: 8px; cursor: pointer;
  font-size: 13px; transition: background 0.15s; display: flex; align-items: center; gap: 8px;
}
.user-menu-item:hover { background: var(--bg3); }
.user-menu-item.danger { color: var(--danger); }

/* ─── NAV ─── */
.nav {
  display: flex; gap: 2px; padding: 8px 24px; background: var(--bg2);
  border-bottom: 1px solid var(--border); flex-shrink: 0; overflow-x: auto;
}
.nav-btn {
  padding: 8px 16px; border-radius: 8px; border: none; background: transparent;
  color: var(--text2); font-size: 13px; cursor: pointer; font-family: 'Inter', sans-serif;
  white-space: nowrap; transition: all 0.2s; display: flex; align-items: center; gap: 6px;
  font-weight: 500;
}
.nav-btn:hover { color: var(--text); background: var(--bg3); }
.nav-btn.active { color: var(--acc-ink); background: rgba(196,241,53,0.1); font-weight: 600; }

/* ─── MAIN CONTENT ─── */
.main { flex: 1; overflow-y: auto; padding: 24px; }
.tab-content { display: none; }
.tab-content.active { display: block; }