/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
}
.brand-label {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-shadow: 0 0 18px rgba(255,255,255,0.35);
}
.brand-title {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.clock-widget { text-align: right; }
.clock-time {
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  line-height: 1;
}
.clock-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 3px;
}

/* ── Update banner ── */
.update-banner {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.25rem;
  background: rgba(34,197,94,0.08);
  border-bottom: 1px solid transparent;
  transition: max-height 0.35s cubic-bezier(0.32,0.72,0,1),
              padding 0.35s cubic-bezier(0.32,0.72,0,1),
              border-color 0.35s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.update-banner.show {
  max-height: 60px;
  padding: 0.65rem 1.25rem;
  border-bottom-color: rgba(34,197,94,0.25);
}
.upd-text {
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
}
.upd-btn {
  flex-shrink: 0;
  background: var(--green);
  color: #000;
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.45rem 1rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.upd-btn:active { opacity: 0.8; }

/* ── Main content area ── */
.main {
  flex: 1;
  padding: 1.25rem;
  padding-bottom: calc(5rem + var(--safe-bottom));
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

/* ── Bottom nav ── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  display: flex;
  padding: 0.4rem 0.5rem calc(0.4rem + var(--safe-bottom));
  z-index: 200;
}
.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  background: none;
  border: none;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem;
  transition: color 0.15s;
}
.nav-btn svg { width: 23px; height: 23px; stroke-width: 1.8; }
.nav-btn.active { color: var(--text); }
.nav-btn.active svg { stroke: var(--green); }

/* ── Modal overlay ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 400;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 var(--safe-bottom);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r) var(--r) 0 0;
  padding: 1.5rem 1.375rem calc(1.5rem + var(--safe-bottom));
  width: 100%;
  max-width: 560px;
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.32,0.72,0,1);
}
.overlay.open .modal { transform: translateY(0); }
.modal-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.modal-actions { display: flex; gap: 0.625rem; margin-top: 1.125rem; }
.btn-primary {
  flex: 1;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.97rem;
  font-weight: 800;
  padding: 0.8rem;
}
.btn-secondary {
  flex: 1;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.97rem;
  padding: 0.8rem;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: calc(5.5rem + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(24px);
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.7rem 1.375rem;
  border-radius: 100px;
  opacity: 0;
  transition: none;
  pointer-events: none;
  z-index: 999;
  white-space: nowrap;
  max-width: 90vw;
  text-align: center;
}
.toast.show { animation: toast-in 0.4s cubic-bezier(0.34,1.56,0.64,1) forwards; }
.toast.hide { animation: toast-out 0.25s ease-in forwards; }