/* FocusFlow — style.css v3 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0D0F14;
  --bg2:       #13161E;
  --bg3:       #1A1E2A;
  --bg4:       #22273A;
  --border:    rgba(255,255,255,0.06);
  --border2:   rgba(255,255,255,0.13);
  --text:      #E4E7F0;
  --muted:     #5A6175;
  --dim:       #8892A4;
  --work:      #6EA8E8;
  --work-glow: rgba(110,168,232,0.22);
  --brk:       #72C9A8;
  --brk-glow:  rgba(114,201,168,0.22);
  --danger:    #E87878;
  --warn:      #E8A06A;
  --circ:      729.08px;
}

body[data-phase="work"]  { --accent: var(--work); --accent-glow: var(--work-glow); }
body[data-phase="break"] { --accent: var(--brk);  --accent-glow: var(--brk-glow); }
body[data-phase="idle"]  { --accent: var(--muted); --accent-glow: transparent; }

html, body {
  height: 100%; background: var(--bg); color: var(--text);
  font-family: 'DM Sans', sans-serif; font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ── Overlay ──────────────────────────────────── */
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.82); backdrop-filter: blur(10px); z-index: 200; align-items: center; justify-content: center; }
.overlay.active { display: flex; }

.card { background: var(--bg2); border: 1px solid var(--border2); border-radius: 20px; padding: 38px; width: 420px; max-width: 95vw; display: flex; flex-direction: column; gap: 16px; animation: pop .22s ease; }
.card-wide { width: 580px; }
@keyframes pop { from { opacity:0; transform: translateY(12px) scale(.97); } to { opacity:1; transform:none; } }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { font-size: 22px; color: var(--work); }
.brand-name { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 19px; letter-spacing: -.4px; }
.card h2 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 21px; }
.card p  { color: var(--muted); font-size: 14px; line-height: 1.6; }
.join-error { color: var(--danger); font-size: 13px; }

input[type="text"] { background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 14px 18px; font-size: 16px; font-family: 'DM Sans', sans-serif; outline: none; transition: border-color .2s; width: 100%; }
input[type="text"]:focus { border-color: var(--work); }

/* ── Buttons ──────────────────────────────────── */
.btn { border: none; cursor: pointer; border-radius: 10px; font-family: 'DM Sans', sans-serif; font-weight: 500; display: inline-flex; align-items: center; gap: 8px; transition: all .15s; }
.btn-primary { background: var(--work); color: #0D0F14; padding: 14px 28px; font-size: 15px; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--dim); padding: 10px 18px; font-size: 14px; border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border2); color: var(--text); }
.btn-sm { padding: 8px 14px !important; font-size: 13px !important; }
.btn-icon { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 18px; padding: 6px 8px; border-radius: 8px; transition: color .2s; }
.btn-icon:hover { color: var(--text); }

.btn-launch { background: var(--work); color: #0D0F14; border: none; cursor: pointer; padding: 16px 40px; font-size: 16px; font-family: 'Syne', sans-serif; font-weight: 700; border-radius: 50px; display: flex; align-items: center; gap: 10px; transition: all .2s; box-shadow: 0 0 32px var(--work-glow); }
.btn-launch:hover { transform: translateY(-2px); box-shadow: 0 0 50px var(--work-glow); }

.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); }

/* ── Settings ─────────────────────────────────── */
.settings-body { display: flex; flex-direction: column; gap: 22px; max-height: 58vh; overflow-y: auto; padding-right: 4px; }
.cfg-section h3 { font-family: 'Syne', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--dim); padding-bottom: 10px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.cfg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cfg-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.cfg-grid input[type="time"] { background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 8px 12px; font-family: 'DM Mono', monospace; font-size: 14px; outline: none; }
.cfg-grid input:focus { border-color: var(--work); }
.cfg-presets-head { display: grid; grid-template-columns: 1fr 100px 100px 36px; gap: 8px; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; padding: 0 4px 6px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.preset-row { display: grid; grid-template-columns: 1fr 100px 100px 36px; gap: 8px; align-items: center; margin-bottom: 6px; }
.preset-row input { background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: 7px; padding: 7px 10px; font-size: 13px; font-family: 'DM Sans', sans-serif; outline: none; width: 100%; }
.preset-row input[type="number"] { font-family: 'DM Mono', monospace; }
.preset-row input:focus { border-color: var(--work); }
.preset-del { background: none; border: none; cursor: pointer; color: var(--danger); font-size: 16px; padding: 4px; border-radius: 6px; }
.preset-del:hover { color: #ff6b5b; }
.toggle { display: flex; align-items: center; justify-content: space-between; font-size: 14px; color: var(--dim); cursor: pointer; padding: 6px 0; }
.toggle input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--work); cursor: pointer; }

/* ── App shell ────────────────────────────────── */
.hidden { display: none !important; }
#app { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.topbar { display: flex; align-items: center; justify-content: space-between; height: 56px; padding: 0 22px; border-bottom: 1px solid var(--border); flex-shrink: 0; background: var(--bg); }
.topbar-left  { display: flex; align-items: center; gap: 10px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.clock { font-family: 'DM Mono', monospace; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ── Session banner ───────────────────────────── */
/*
  The banner is the key UX element for shared/personal switching.
  It sits below the topbar and clearly communicates which mode you're in.
*/
.session-banner {
  display: flex; align-items: center; gap: 16px;
  padding: 0 22px; height: 48px; flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.session-tabs { display: flex; gap: 4px; }

.session-tab {
  background: none; border: 1px solid transparent;
  color: var(--muted); font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 500; cursor: pointer;
  padding: 5px 16px; border-radius: 6px;
  transition: all .18s;
}
.session-tab:hover { color: var(--dim); border-color: var(--border); }

/* Active shared tab */
.session-tab.active {
  background: var(--bg3);
  border-color: var(--border2);
  color: var(--text);
}

/* Active personal tab — distinct color */
#view-personal-btn.active {
  background: rgba(114,201,168,.12);
  border-color: var(--brk);
  color: var(--brk);
}

/* Personal tab when session is running (not active) */
#view-personal-btn.running {
  color: var(--brk);
}

/* Separator between tabs and label */
.session-banner::after {
  content: none;
}

.session-tab-stop {
  background: none; border: 1px solid rgba(232,120,120,.3);
  color: var(--danger); font-family: 'DM Sans', sans-serif;
  font-size: 12px; cursor: pointer; padding: 4px 12px;
  border-radius: 6px; margin-left: 4px; transition: all .15s;
}
.session-tab-stop:hover { background: rgba(232,120,120,.1); }

/* Context label — right side of banner */
.session-context-label {
  font-size: 12px; letter-spacing: .3px;
  padding: 4px 12px; border-radius: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.session-context-label.shared  { color: var(--work); background: rgba(110,168,232,.08); }
.session-context-label.personal { color: var(--brk);  background: rgba(114,201,168,.1);  }
.session-context-label.paused  { color: var(--warn);  background: rgba(232,160,106,.08); }
.session-context-label.finished { color: var(--muted); }

/* ── App body ──────────────────────────────────── */
.app-body { display: flex; flex: 1; overflow: hidden; }

/* ── Main column ──────────────────────────────── */
.col-main { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 28px 28px 20px; overflow-y: auto; }

/* ── Ring timer ───────────────────────────────── */
.timer-wrap { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.ring-wrap { position: relative; width: 260px; height: 260px; }
.ring-svg  { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--bg3); stroke-width: 10; }
.ring-fill  { fill: none; stroke: var(--work); stroke-width: 10; stroke-linecap: round; stroke-dasharray: var(--circ); stroke-dashoffset: 0; transition: stroke-dashoffset .75s cubic-bezier(.4,0,.2,1), stroke .4s; filter: drop-shadow(0 0 10px var(--work-glow)); }
.ring-fill.brk { stroke: var(--brk); filter: drop-shadow(0 0 10px var(--brk-glow)); }
.ring-inner { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.ring-label { font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--muted); }
.ring-time  { font-family: 'DM Mono', monospace; font-size: 54px; font-weight: 300; color: var(--text); letter-spacing: -2px; line-height: 1; }
.ring-sub   { font-family: 'DM Mono', monospace; font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* ── Launch panel ─────────────────────────────── */
#launch-panel { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.mode-switch { display: flex; background: var(--bg3); border-radius: 50px; padding: 4px; gap: 2px; }
.mode-btn { background: none; border: none; cursor: pointer; color: var(--muted); font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 500; padding: 8px 20px; border-radius: 50px; transition: all .2s; }
.mode-btn.active { background: var(--bg2); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.3); }

.preset-grid { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.preset-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 12px; padding: 14px 22px; cursor: pointer; text-align: center; transition: all .15s; min-width: 128px; }
.preset-card:hover { border-color: var(--border2); transform: translateY(-1px); }
.preset-card.sel { border-color: var(--work); background: rgba(110,168,232,.1); }
.pc-name { font-family: 'Syne', sans-serif; font-weight: 600; font-size: 14px; }
.pc-meta { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ── Run controls ─────────────────────────────── */
.run-controls { display: flex; gap: 14px; align-items: center; }
.ctrl { background: var(--bg3); border: 1px solid var(--border); color: var(--text); width: 52px; height: 52px; border-radius: 50%; font-size: 18px; cursor: pointer; transition: all .15s; display: flex; align-items: center; justify-content: center; }
.ctrl:hover { border-color: var(--border2); transform: scale(1.06); }
.ctrl-stop { color: var(--danger); }
.ctrl-stop:hover { border-color: var(--danger); }

/* ── Timeline ─────────────────────────────────── */
.timeline-wrap { width: 100%; max-width: 700px; }
.timeline-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; font-size: 13px; color: var(--muted); font-weight: 500; }
.tl-badge { background: var(--bg3); padding: 3px 10px; border-radius: 50px; font-size: 11px; color: var(--dim); }
.timeline-scroll { overflow-x: auto; padding-bottom: 8px; }
.timeline { display: flex; align-items: flex-end; gap: 3px; min-height: 72px; position: relative; padding-top: 22px; }
.tl-empty { color: var(--muted); font-size: 13px; align-self: center; }

.tl-slot { height: 48px; border-radius: 7px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: 'DM Mono', monospace; font-size: 9px; color: rgba(255,255,255,.45); position: relative; transition: all .3s; cursor: default; }
.tl-slot.work  { background: rgba(110,168,232,.16); border: 1px solid rgba(110,168,232,.22); }
.tl-slot.break { background: rgba(114,201,168,.12); border: 1px solid rgba(114,201,168,.16); height: 30px; }
.tl-slot.lunch { background: rgba(232,160,106,.09); border: 1px solid rgba(232,160,106,.16); height: 36px; color: rgba(232,160,106,.55); }
.tl-slot.active { background: rgba(110,168,232,.35) !important; border-color: var(--work) !important; box-shadow: 0 0 16px var(--work-glow); transform: scaleY(1.05); }
.tl-slot.active.brk { background: rgba(114,201,168,.35) !important; border-color: var(--brk) !important; box-shadow: 0 0 16px var(--brk-glow); }
.tl-slot.done { opacity: .25; }
.tl-label { padding: 0 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tl-time { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-family: 'DM Mono', monospace; font-size: 9px; color: var(--muted); white-space: nowrap; pointer-events: none; }
.tl-slot.active .tl-time { color: var(--text); font-weight: 500; }

/* ── Aside ────────────────────────────────────── */
.col-aside { width: 272px; flex-shrink: 0; border-left: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; }
.users-box { padding: 20px 16px; flex: 1; }
.users-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.users-title { font-family: 'Syne', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.users-count { background: var(--bg3); color: var(--muted); font-family: 'DM Mono', monospace; font-size: 12px; padding: 2px 8px; border-radius: 50px; }
.users-list { display: flex; flex-direction: column; gap: 6px; }

.user-row { display: flex; align-items: center; gap: 10px; background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; transition: border-color .2s; animation: uin .2s ease; }
@keyframes uin { from { opacity:0; transform: translateX(6px); } to { opacity:1; transform:none; } }
.user-row.me { border-color: rgba(110,168,232,.28); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--bg2); display: flex; align-items: center; justify-content: center; font-family: 'Syne', sans-serif; font-size: 11px; font-weight: 700; flex-shrink: 0; position: relative; }
.avatar::after { content: ''; position: absolute; bottom: 0; right: 0; width: 8px; height: 8px; border-radius: 50%; background: #4CAF50; border: 1.5px solid var(--bg3); }
.avatar.brk::after { background: var(--brk); }
.avatar.idle::after { background: var(--muted); }
.user-info { flex: 1; min-width: 0; }
.uname { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ume { font-size: 11px; color: var(--work); }
.upersonal { font-size: 11px; color: var(--brk); }
.ust { font-size: 11px; color: var(--muted); margin-top: 1px; }
.uphase { font-size: 10px; font-family: 'DM Mono', monospace; padding: 3px 7px; border-radius: 4px; background: rgba(110,168,232,.1); color: var(--work); white-space: nowrap; }
.uphase.brk { background: rgba(114,201,168,.1); color: var(--brk); }

.stats-box { padding: 16px; border-top: 1px solid var(--border); }
.stats-title { font-family: 'Syne', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.stat { background: var(--bg3); border-radius: 8px; padding: 10px 4px; text-align: center; }
.stat-val { font-family: 'DM Mono', monospace; font-size: 20px; color: var(--text); }
.stat-lbl { font-size: 10px; color: var(--muted); margin-top: 2px; }

/* ── Toasts ───────────────────────────────────── */
#toasts { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 7px; align-items: center; z-index: 300; pointer-events: none; }
.toast { background: var(--bg2); border: 1px solid var(--border2); color: var(--text); padding: 10px 22px; border-radius: 50px; font-size: 14px; box-shadow: 0 6px 24px rgba(0,0,0,.4); animation: tin .25s ease; white-space: nowrap; }
@keyframes tin  { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform:none; } }
@keyframes tout { to { opacity:0; transform: translateY(6px); } }
.toast.out { animation: tout .3s ease forwards; }

/* ── Phase flash ──────────────────────────────── */
.flash { position: fixed; inset: 0; pointer-events: none; z-index: 100; animation: flash-w .9s ease forwards; }
.flash.brk { animation: flash-b .9s ease forwards; }
@keyframes flash-w { 0%,100%{background:transparent} 25%{background:rgba(110,168,232,.08)} }
@keyframes flash-b { 0%,100%{background:transparent} 25%{background:rgba(114,201,168,.08)} }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 760px) {
  .app-body { flex-direction: column; }
  .col-aside { width: 100%; border-left: none; border-top: 1px solid var(--border); flex-direction: row; max-height: 190px; overflow: hidden; }
  .users-box { flex: 1; overflow-y: auto; }
  .stats-box { border-top: none; border-left: 1px solid var(--border); min-width: 160px; }
  .ring-time { font-size: 44px; }
  .ring-wrap { width: 220px; height: 220px; }
  .col-main { padding: 16px; gap: 18px; }
  .session-banner { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .session-context-label { font-size: 11px; }
}
@media (max-width: 480px) {
  .card { padding: 24px; }
  .ring-time { font-size: 38px; }
  .ring-wrap { width: 190px; height: 190px; }
  .btn-launch { padding: 14px 28px; font-size: 14px; }
}