:root {
  --ink: #292820;
  --muted: #8a877e;
  --line: #e6e2d9;
  --paper: #fffefa;
  --red: #d9604f;
  --green: #648673;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: #f2f0e9;
  color: var(--ink);
  font-family: 'Noto Sans KR', 'DM Sans', sans-serif;
  transition: background 0.3s ease;
}

body.theme-pomodoro {
  background: #f2f0e9;
}

body.theme-break {
  background: #edf2ee;
}

.app {
  width: min(100% - 32px, 620px);
  margin: 36px auto 50px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 16px 50px #59544312;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 69px;
  padding: 0 27px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 7px;
  align-items: center;
  color: var(--ink);
  font: 700 18px 'DM Sans';
  letter-spacing: -1px;
  text-decoration: none;
}

.brand span {
  display: grid;
  width: 26px;
  height: 26px;
  color: white;
  background: var(--red);
  border-radius: 8px;
  font: 20px Georgia, serif;
  place-items: center;
}

header p { color: var(--muted); font-size: 12px; }

.timer { padding: 37px 20px 39px; text-align: center; }

.mode-tabs {
  display: inline-flex;
  gap: 2px;
  padding: 4px;
  background: #f1efe9;
  border-radius: 10px;
}

.mode {
  padding: 8px 14px;
  color: #88857d;
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
  font: 500 12px 'Noto Sans KR';
}

.mode.active { background: white; box-shadow: 0 1px 4px #918c8240; }
.theme-pomodoro .mode.active { color: var(--red); }
.theme-break .mode.active { color: var(--green); }
.mode:disabled { cursor: not-allowed; opacity: .55; }
.mode-label { margin: 31px 0 2px; color: var(--muted); font-size: 12px; }

.current-task {
  width: min(100%, 360px);
  padding: 12px 16px;
  margin: 14px auto 8px;
  overflow: hidden;
  background: #fff8f5;
  border: 1px solid #f2d2cb;
  border-radius: 10px;
  text-align: left;
}

.current-task[hidden] { display: none; }
.current-task-label { display: block; margin-bottom: 3px; color: var(--red); font-size: 10px; font-weight: 700; }
.current-task strong { display: block; overflow: hidden; font-size: 14px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }

.dial { position: relative; width: 264px; height: 264px; margin: auto; }
.dial svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.dial-base, .dial-progress { fill: none; stroke-width: 5; }
.dial-base { stroke: #ebe8e0; }
.dial-progress { stroke: var(--red); stroke-linecap: round; stroke-dasharray: 829.38; transition: stroke-dashoffset .5s linear, stroke .2s; }
.theme-pomodoro .dial-progress { stroke: var(--red); }
.theme-break .dial-progress { stroke: var(--green); }

.timer-input {
  position: absolute;
  inset: 0;
  width: 100%;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: none;
  font: 500 61px 'DM Mono';
  letter-spacing: -5px;
  text-align: center;
}

.timer-input:focus { background: #f8f6f0; border-radius: 50%; }
.timer-input:read-only { cursor: default; }
.controls { display: flex; justify-content: center; margin-top: 8px; }

.start {
  min-width: 139px;
  padding: 13px 17px;
  color: white;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  font: 700 12px 'Noto Sans KR';
  transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.theme-pomodoro .start {
  background: var(--red);
  box-shadow: 0 5px 12px rgba(217, 96, 79, 0.25);
}

.theme-pomodoro .start:hover {
  background: #c25040;
}

.theme-break .start {
  background: var(--green);
  box-shadow: 0 5px 12px rgba(100, 134, 115, 0.25);
}

.theme-break .start:hover {
  background: #537060;
}

.theme-pomodoro .start.running {
  background: #f9e1dc !important;
  color: var(--red) !important;
  border-color: #f2c7c0 !important;
  box-shadow: 0 3px 8px rgba(217, 96, 79, 0.06) !important;
}

.theme-pomodoro .start.running:hover {
  background: #f5cfc7 !important;
}

.theme-break .start.running {
  background: #e1ebe1 !important;
  color: var(--green) !important;
  border-color: #cadbc9 !important;
  box-shadow: 0 3px 8px rgba(100, 134, 115, 0.06) !important;
}

.theme-break .start.running:hover {
  background: #d1e0d0 !important;
}

.play { padding-right: 7px; font: 9px 'DM Sans'; }

.history { padding: 28px 29px 30px; background: #fcfbf7; border-top: 1px solid var(--line); }
.history-heading { display: flex; align-items: center; justify-content: space-between; }
.history-heading p { margin: 0 0 4px; color: var(--muted); font-size: 11px; }
.history h1 { margin: 0; font-size: 20px; font-weight: 500; letter-spacing: -.7px; }
.history h1 .mono { font-family: 'DM Mono'; }
.history-actions { display: flex; gap: 7px; }
.clear { color: var(--muted); background: transparent; border: 0; cursor: pointer; font: 11px 'Noto Sans KR'; text-decoration: underline; }

.session-list { display: grid; gap: 9px; padding: 0; margin: 22px 0 0; list-style: none; }
.session { display: flex; gap: 10px; align-items: center; padding: 11px 12px; background: white; border: 1px solid var(--line); border-radius: 9px; font-size: 12px; }
.session-icon { display: grid; flex: 0 0 auto; width: 22px; height: 22px; color: var(--red); background: #f9e1dc; border-radius: 7px; font-size: 11px; place-items: center; }
.session.break .session-icon { color: var(--green); background: #e1ebe1; }
.session-detail { display: grid; min-width: 0; gap: 2px; }
.session-name { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.session-name { font-weight: 500; }
.session-time { margin-left: auto; color: var(--muted); font: 11px 'DM Mono'; white-space: nowrap; }
.empty { margin: 22px 0 2px; color: var(--muted); font-size: 12px; }

.task-dialog { width: min(100% - 40px, 380px); padding: 0; color: var(--ink); background: var(--paper); border: 0; border-radius: 15px; box-shadow: 0 18px 55px #2b292340; }
.task-dialog::backdrop { background: #26251f70; backdrop-filter: blur(2px); }
.task-dialog form { padding: 25px; }
.dialog-kicker { margin: 0 0 5px; color: var(--red); font-size: 11px; font-weight: 700; }
.task-dialog h2 { margin: 0 0 20px; font-size: 19px; letter-spacing: -.8px; }
.task-dialog input, .task-dialog textarea { width: 100%; padding: 12px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; outline: 0; font: 13px 'Noto Sans KR'; }
.task-dialog input:focus, .task-dialog textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px #d9604f1c; }
.task-dialog textarea { height: 126px; resize: none; line-height: 1.6; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.dialog-actions button { padding: 10px 14px; border: 0; border-radius: 8px; cursor: pointer; font: 500 12px 'Noto Sans KR'; }
.dialog-cancel { color: var(--muted); background: transparent; }
.dialog-submit { color: #fff; background: var(--red); }

/* 몰입 모드 (딤 처리) 스타일 */
header, .mode-tabs, .mode-label, .history {
  transition: opacity 0.5s ease, filter 0.5s ease;
}

.focus-active header,
.focus-active .mode-tabs,
.focus-active .mode-label,
.focus-active .history {
  opacity: 0.05;
  filter: blur(1.5px);
  pointer-events: none;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 480px) {
  .app { width: 100%; min-height: 100vh; margin: 0; border: 0; border-radius: 0; }
  .timer { padding-top: 31px; }
  .dial { width: 250px; height: 250px; }
  .timer-input { font-size: 57px; }
  .history { padding-inline: 21px; }
  .task-dialog input, .task-dialog textarea { font-size: 16px; }
}