/* ── Variables ── */
:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --surface2: #0f3460;
  --mint: #b8f0c8;
  --lavender: #d4b8f0;
  --peach: #f0d4b8;
  --yellow: #f0f0b8;
  --pink: #f0b8d4;
  --sky: #b8d4f0;
  --text: #e8e8f0;
  --muted: rgba(232,232,240,0.5);
  --border: rgba(255,255,255,0.08);
  --accent: var(--mint);
}

/* ── Pink theme ── */
body.theme-pink {
  --bg: #f5d6e2;
  --surface: #eabcce;
  --surface2: #d9a0b8;
  --mint: #8b2a42;
  --lavender: #7a2038;
  --peach: #a03050;
  --yellow: #5a1028;
  --pink: #8b2a42;
  --text: #2a0812;
  --muted: rgba(42,8,18,0.55);
  --border: rgba(42,8,18,0.15);
  --accent: #8b2a42;
}

body.theme-pink .ring-prog {
  stroke: #8b2a42 !important;
  filter: drop-shadow(0 0 6px rgba(139,42,66,0.5)) !important;
}

body.theme-pink .ring-track {
  stroke: rgba(139,42,66,0.2) !important;
}

body.theme-pink .dot.done {
  background: #8b2a42 !important;
  border-color: #8b2a42 !important;
  box-shadow: 0 0 8px rgba(139,42,66,0.5) !important;
}

body.theme-pink .ctrl-btn.main {
  background: #8b2a42 !important;
  border-color: #8b2a42 !important;
  color: #fff5f5 !important;
}

body.theme-pink .preset-btn {
  background: #eabcce !important;
  border-color: rgba(42,8,18,0.15) !important;
  box-shadow: 2px 2px 0 rgba(42,8,18,0.15) !important;
}

body.theme-pink .preset-btn.active {
  border-color: #8b2a42 !important;
  color: #8b2a42 !important;
  background: rgba(139,42,66,0.12) !important;
  box-shadow: 2px 2px 0 #8b2a42 !important;
}

body.theme-pink .tab-nav {
  background: rgba(42,8,18,0.06) !important;
  border-color: rgba(42,8,18,0.15) !important;
}

body.theme-pink .tab-btn {
  color: rgba(42,8,18,0.5) !important;
}

body.theme-pink .tab-btn:hover {
  background: rgba(42,8,18,0.06) !important;
  color: #2a0812 !important;
}

body.theme-pink .tab-btn.active {
  background: #d9a0b8 !important;
  color: #8b2a42 !important;
  border-color: rgba(139,42,66,0.4) !important;
  box-shadow: 2px 2px 0 rgba(139,42,66,0.2) !important;
}

body.theme-pink .stab {
  color: rgba(42,8,18,0.5) !important;
}

body.theme-pink .stab.active {
  background: #d9a0b8 !important;
  color: #8b2a42 !important;
  border-color: rgba(139,42,66,0.3) !important;
}

body.theme-pink .timer-phase {
  color: #8b2a42 !important;
}

body.theme-pink .active-dot {
  background: #8b2a42 !important;
  box-shadow: 0 0 6px rgba(139,42,66,0.5) !important;
}

body.theme-pink .active-user {
  border-color: rgba(139,42,66,0.3) !important;
  background: rgba(139,42,66,0.06) !important;
}

body.theme-pink .rank-bar-fill {
  background: #8b2a42 !important;
}

body.theme-pink .bar-fill {
  background: #c4607a !important;
}

body.theme-pink .bar-fill.today {
  background: #8b2a42 !important;
}

body.theme-pink .bar-day.today {
  color: #8b2a42 !important;
}

body.theme-pink .header-logo {
  color: #8b2a42 !important;
}

body.theme-pink .pill {
  color: #8b2a42 !important;
}

body.theme-pink .ctrl-btn {
  background: #eabcce !important;
  border-color: rgba(42,8,18,0.15) !important;
  box-shadow: 2px 2px 0 rgba(42,8,18,0.2) !important;
}

body.theme-pink .user-pill {
  border-color: rgba(42,8,18,0.15) !important;
  background: rgba(42,8,18,0.04) !important;
}

body.theme-pink .theme-switcher {
  background: rgba(42,8,18,0.06) !important;
  border-color: rgba(42,8,18,0.15) !important;
}

body.theme-pink .stats-toggle {
  background: #eabcce !important;
  border-color: rgba(42,8,18,0.15) !important;
}

body.theme-pink .active-section,
body.theme-pink .rank-row {
  background: #eabcce !important;
  border-color: rgba(42,8,18,0.15) !important;
}

body.theme-pink .active-title {
  color: #8b2a42 !important;
}

body.theme-pink .cat-popup {
  border-color: #8b2a42 !important;
  box-shadow: 4px 4px 0 #8b2a42 !important;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(184,240,200,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(212,184,240,0.04) 0%, transparent 50%);
  transition: background 0.4s ease, color 0.4s ease;
}

body.theme-pink {
  background-image:
    radial-gradient(circle at 20% 20%, rgba(139,42,66,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139,42,66,0.04) 0%, transparent 50%);
}

.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

#login-screen {
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-box { width: 320px; animation: fadeUp 0.6s ease both; }

.pixel-border {
  border: 2px solid var(--mint);
  border-radius: 4px;
  padding: 40px 32px;
  text-align: center;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--mint);
  transition: all 0.4s ease;
}

.logo-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 36px;
  color: var(--mint);
  text-shadow: 3px 3px 0 rgba(184,240,200,0.3);
  margin-bottom: 8px;
}

.logo-sub { font-size: 13px; color: var(--muted); margin-bottom: 24px; letter-spacing: 0.05em; }
.pixel-divider { height: 2px; background: var(--border); margin: 20px 0; }
.login-desc { font-size: 13px; color: var(--muted); line-height: 1.7; margin-bottom: 28px; }

.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 12px 20px;
  border: 2px solid rgba(255,255,255,0.2); border-radius: 4px;
  background: rgba(255,255,255,0.05); color: var(--text);
  font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(255,255,255,0.1);
}
.btn-google:hover { background: rgba(255,255,255,0.1); transform: translate(-1px,-1px); box-shadow: 3px 3px 0 rgba(255,255,255,0.15); }
.btn-google:active { transform: translate(1px,1px); box-shadow: none; }

.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 2px solid var(--border);
  background: var(--surface);
  gap: 16px; flex-shrink: 0;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.header-logo {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px; color: var(--mint);
  cursor: pointer; transition: color 0.4s ease; user-select: none;
}
.header-logo:hover { opacity: 0.8; }
.header-logo:active { transform: scale(0.95); }

.tab-nav {
  display: flex; gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 2px solid var(--border);
  border-radius: 4px; padding: 4px;
}

.tab-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border: none; border-radius: 3px;
  background: transparent; color: var(--muted);
  font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.tab-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.tab-btn.active {
  background: var(--surface2); color: var(--mint);
  border: 2px solid rgba(184,240,200,0.3);
  box-shadow: 2px 2px 0 rgba(184,240,200,0.1);
}

.header-right { display: flex; align-items: center; gap: 10px; }

.theme-switcher {
  display: flex; gap: 5px; align-items: center;
  background: rgba(255,255,255,0.04);
  border: 2px solid var(--border);
  border-radius: 4px; padding: 4px;
}

.theme-btn {
  width: 22px; height: 22px; border-radius: 3px;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.2s;
}
.theme-btn:hover { transform: scale(1.1); }
.theme-btn:active { transform: scale(0.95); }
.theme-btn.active { border-color: rgba(255,255,255,0.6); box-shadow: 0 0 6px rgba(255,255,255,0.3); }
.theme-btn-blue { background: #7C9EFF; }
.theme-btn-pink { background: #c4607a; }

.user-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 5px;
  border: 2px solid var(--border); border-radius: 99px;
  background: rgba(255,255,255,0.04); font-size: 13px;
}

.user-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--mint);
}

.btn-logout {
  background: none; border: 2px solid var(--border);
  color: var(--muted); padding: 6px 8px; border-radius: 4px;
  cursor: pointer; font-size: 12px; transition: all 0.2s;
}
.btn-logout:hover { border-color: rgba(240,180,180,0.4); color: #f0b8b8; }

.tab-content { display: none; flex: 1; overflow-y: auto; }
.tab-content.active { display: flex; justify-content: center; padding: 32px 16px; }

.timer-container {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; width: 100%; max-width: 420px;
}

.preset-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; width: 100%; }

.preset-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 8px; border: 2px solid var(--border); border-radius: 4px;
  background: var(--surface); color: var(--muted);
  cursor: pointer; transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}
.preset-btn:hover { border-color: rgba(184,240,200,0.3); color: var(--text); }
.preset-btn.active {
  border-color: var(--accent); color: var(--accent);
  background: rgba(184,240,200,0.07);
  box-shadow: 2px 2px 0 var(--accent);
}

.preset-name { font-family: 'Press Start 2P', monospace; font-size: 8px; }
.preset-times { font-size: 12px; opacity: 0.8; }

.ring-wrap { position: relative; width: 220px; height: 220px; }
.ring-svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.ring-track { fill: none; stroke: rgba(255,255,255,0.06); stroke-width: 4; }
.ring-prog {
  fill: none; stroke: var(--accent); stroke-width: 4; stroke-linecap: square;
  transition: stroke-dashoffset 1s linear, stroke 0.4s ease;
  filter: drop-shadow(0 0 6px var(--accent));
}

.ring-center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  text-align: center; pointer-events: none;
}

.timer-display {
  font-family: 'DM Sans', sans-serif;
  font-size: 52px; font-weight: 300; color: var(--text);
  line-height: 1; margin-bottom: 10px; letter-spacing: -1px;
}

.timer-phase {
  font-family: 'Press Start 2P', monospace; font-size: 8px;
  color: var(--accent); letter-spacing: 0.1em; transition: color 0.4s ease;
}

.session-dots { display: flex; gap: 10px; }
.dot {
  width: 12px; height: 12px; border: 2px solid var(--muted);
  border-radius: 0; background: transparent; transition: all 0.3s;
}
.dot.done { background: var(--mint); border-color: var(--mint); box-shadow: 0 0 8px var(--mint); }

.controls-row { display: flex; gap: 10px; align-items: center; }

.ctrl-btn {
  padding: 10px 16px; border: 2px solid var(--border); border-radius: 4px;
  background: var(--surface); color: var(--muted); font-size: 16px;
  cursor: pointer; transition: all 0.15s; box-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}
.ctrl-btn:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }
.ctrl-btn:active { transform: translate(2px,2px); box-shadow: none; }

.ctrl-btn.main {
  padding: 12px 32px; background: var(--accent); color: #1a1a2e;
  border-color: var(--accent);
  font-family: 'Press Start 2P', monospace; font-size: 10px;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
  transition: background 0.4s ease, border-color 0.4s ease, transform 0.15s, box-shadow 0.15s;
}
.ctrl-btn.main:hover { opacity: 0.88; }
.ctrl-btn.main:active { transform: translate(3px,3px); box-shadow: none; }

.pomo-quote {
  font-family: 'DM Sans', sans-serif; font-size: 12px;
  font-weight: 300; font-style: italic; color: var(--muted);
  text-align: center; max-width: 280px; line-height: 1.6; letter-spacing: 0.02em;
}

.custom-title { font-family: 'Press Start 2P', monospace; font-size: 12px; color: var(--lavender); }

.time-input-row { display: flex; align-items: center; gap: 8px; }
.time-input-group { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.time-input {
  width: 72px; padding: 10px 8px;
  border: 2px solid rgba(212,184,240,0.4); border-radius: 4px;
  background: var(--surface); color: var(--text);
  font-family: 'Press Start 2P', monospace; font-size: 16px;
  text-align: center; box-shadow: 2px 2px 0 rgba(212,184,240,0.2);
  transition: background 0.4s ease;
}
.time-input:focus { outline: none; border-color: var(--lavender); box-shadow: 2px 2px 0 var(--lavender); }
.time-label { font-family: 'Press Start 2P', monospace; font-size: 7px; color: var(--muted); }
.time-sep { font-family: 'Press Start 2P', monospace; font-size: 24px; color: var(--muted); margin-bottom: 18px; }

.stats-container { width: 100%; max-width: 600px; display: flex; flex-direction: column; gap: 20px; }

.stats-toggle {
  display: flex; gap: 6px;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 4px; padding: 4px;
}

.stab {
  flex: 1; padding: 9px; border: 2px solid transparent; border-radius: 3px;
  background: transparent; color: var(--muted);
  font-family: 'Press Start 2P', monospace; font-size: 8px;
  cursor: pointer; transition: all 0.2s;
}
.stab.active {
  background: var(--surface2); color: var(--lavender);
  border-color: rgba(212,184,240,0.2);
  box-shadow: 2px 2px 0 rgba(212,184,240,0.1);
}

.stats-panel { display: none; }
.stats-panel.active { display: flex; flex-direction: column; gap: 16px; }

.stats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }

.stat-card {
  padding: 16px 12px; border: 2px solid; border-radius: 4px;
  text-align: center; box-shadow: 3px 3px 0; transition: background 0.4s ease;
}
.stat-card.mint { border-color: var(--mint); background: rgba(184,240,200,0.07); box-shadow: 3px 3px 0 rgba(184,240,200,0.3); }
.stat-card.lavender { border-color: var(--lavender); background: rgba(212,184,240,0.07); box-shadow: 3px 3px 0 rgba(212,184,240,0.3); }
.stat-card.peach { border-color: var(--peach); background: rgba(240,212,184,0.07); box-shadow: 3px 3px 0 rgba(240,212,184,0.3); }

.stat-val { font-family: 'Press Start 2P', monospace; font-size: 14px; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.stat-lbl { font-family: 'Press Start 2P', monospace; font-size: 6px; color: var(--muted); letter-spacing: 0.08em; }
.chart-title { font-family: 'Press Start 2P', monospace; font-size: 9px; color: var(--muted); letter-spacing: 0.1em; }

.bar-chart { display: flex; align-items: flex-end; gap: 8px; height: 120px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
.bar-track {
  flex: 1; width: 100%;
  background: rgba(255,255,255,0.04);
  border: 2px solid var(--border); border-radius: 2px;
  display: flex; align-items: flex-end; overflow: hidden;
}
.bar-fill { width: 100%; background: var(--mint); transition: height 0.6s cubic-bezier(0.34,1.56,0.64,1); min-height: 0; }
.bar-fill.today { background: var(--lavender); }
.bar-day { font-family: 'Press Start 2P', monospace; font-size: 6px; color: var(--muted); }
.bar-day.today { color: var(--lavender); }

.active-section {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 4px; padding: 16px; transition: background 0.4s ease;
}
.active-title { font-family: 'Press Start 2P', monospace; font-size: 8px; color: var(--mint); margin-bottom: 14px; letter-spacing: 0.08em; }
.active-list { display: flex; flex-wrap: wrap; gap: 10px; }
.no-active { font-size: 12px; color: var(--muted); }
.active-user {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 6px;
  border: 2px solid rgba(184,240,200,0.3); border-radius: 99px;
  background: rgba(184,240,200,0.06); font-size: 12px;
}
.active-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 6px var(--mint);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.active-avatar { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; border: 2px solid var(--mint); }

.ranking-list { display: flex; flex-direction: column; gap: 8px; }
.rank-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; background: var(--surface);
  border: 2px solid var(--border); border-radius: 4px;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
  transition: transform 0.2s, background 0.4s ease;
}
.rank-row:hover { transform: translate(-1px,-1px); }
.rank-num { font-family: 'Press Start 2P', monospace; font-size: 10px; width: 24px; text-align: center; }
.rank-num.gold { color: var(--yellow); }
.rank-num.silver { color: #c0c0c0; }
.rank-num.bronze { color: var(--peach); }
.rank-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.rank-info { flex: 1; }
.rank-name { font-size: 13px; font-weight: 500; margin-bottom: 2px; }
.rank-sessions { font-size: 11px; color: var(--muted); }
.rank-bar-wrap { flex: 1; height: 4px; background: rgba(255,255,255,0.06); border-radius: 0; }
.rank-bar-fill { height: 100%; background: var(--lavender); transition: width 0.6s ease; }
.rank-time { font-family: 'Press Start 2P', monospace; font-size: 8px; color: var(--text); min-width: 60px; text-align: right; }
.loading-txt { font-size: 12px; color: var(--muted); text-align: center; padding: 20px; }

.cat-popup {
  position: fixed; top: 60px; left: 50%;
  transform: translateX(-50%) scale(0);
  background: var(--surface); border: 2px solid var(--mint);
  border-radius: 8px; padding: 12px 20px; font-size: 32px;
  box-shadow: 4px 4px 0 var(--mint); z-index: 999;
  pointer-events: none;
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
}
.cat-popup.show { transform: translateX(-50%) scale(1); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

@media (max-width: 480px) {
  .app-header { padding: 10px 12px; }
  .tab-label { display: none; }
  .timer-display { font-size: 40px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}