:root {
  --bg: #eef6ff;
  --bg2: #d8e9ff;
  --bg3: #ffffff;
  --text: #102a43;
  --text2: #335b7f;
  --text3: #587b98;
  --bd: rgba(77, 127, 212, .18);
  --bd2: rgba(77, 127, 212, .28);
  --r: 24px;
  --rl: 28px;
  --sky: #64b7ff;
  --sky-soft: #e3f0ff;
  --sky-deep: #1661b5;
  --accent: #ff9c5c;
  --accent-soft: #ffeddb;
  --danger: #ff576f;
  --danger-soft: #ffe2e9;
  --success: #4fd8cb;
  --success-soft: #dffafa;
  --shadow: 0 22px 52px rgba(36, 82, 142, .1);
  --shadow-soft: 0 16px 34px rgba(36, 82, 142, .08);
  --pur: #6db9ff;
  --pbg: #dcecff;
  --pt: #1459a8;
  --amb: #ffad5a;
  --abg: #fff3df;
  --at: #8e5600;
  --red: #ff576f;
  --rbg: #ffe2e9;
  --rt: #a43a4f;
  --teal: #4fc8d4;
  --tbg: #ddf7fb;
  --tt: #0f6c7f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1726;
    --bg2: #13203a;
    --bg3: #192b44;
    --text: #f1f8ff;
    --text2: #9bb7d5;
    --text3: #7b90a8;
    --bd: rgba(155, 190, 244, .14);
    --bd2: rgba(155, 190, 244, .24);
    --pbg: rgba(109, 185, 255, .15);
    --pt: #d8e9ff;
    --abg: rgba(255, 173, 90, .12);
    --at: #ffd6ab;
    --rbg: rgba(255, 107, 121, .15);
    --rt: #ffb4bf;
    --bbg: rgba(59, 153, 255, .12);
    --bt: #c7e3ff;
    --tbg: rgba(79, 200, 212, .13);
    --tt: #c8f1ff;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Helvetica Neue', sans-serif;
  background: radial-gradient(circle at top, #e8f3ff 0%, var(--bg) 40%, #f9fdff 100%);
  color: var(--text);
  min-height: 100vh;
  font-size: 15.5px;
  line-height: 1.8;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at top left, rgba(100, 183, 255, .18) 0%, transparent 28%), radial-gradient(circle at 85% 15%, rgba(255, 156, 92, .14) 0%, transparent 22%);
}

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 88px;
}

.topbar {
  background: rgba(255, 255, 255, .95);
  border: 1px solid var(--bd);
  box-shadow: var(--shadow-soft);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: sticky;
  top: 0;
  z-index: 50;
  border-radius: 32px;
  backdrop-filter: blur(14px);
}

.logo {
  font-size: 18px;
  font-weight: 800;
}

.logo span {
  color: var(--sky);
}

.topdate {
  font-size: 13px;
  color: var(--text2);
  margin-top: 4px;
}

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

.sync-b {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--bd);
  background: rgba(255, 255, 255, .95);
}

.sdot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.streak {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--sky-deep);
  background: var(--accent-soft);
  padding: 8px 12px;
  border-radius: 999px;
}

.energy-row {
  background: rgba(255, 255, 255, .96);
  padding: 18px 20px;
  border: 1px solid var(--bd);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: 24px;
  box-shadow: 0 14px 30px rgba(30, 76, 145, .08);
  margin-top: 22px;
}

.eq {
  font-size: 14px;
  color: var(--text2);
  font-weight: 700;
}

.ebtns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.ebtn {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--bd2);
  background: rgba(255, 255, 255, .9);
  font-size: 13px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform .18s ease, box-shadow .18s ease;
}

.ebtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(54, 94, 168, .1);
}

.edot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.sel-0,
.sel-1,
.sel-2 {
  border-width: 1.5px;
}

.sel-0 {
  background: var(--rbg) !important;
  color: var(--rt) !important;
  border-color: var(--red) !important;
}

.sel-1 {
  background: var(--abg) !important;
  color: var(--at) !important;
  border-color: var(--amb) !important;
}

.sel-2 {
  background: var(--tbg) !important;
  color: var(--tt) !important;
  border-color: var(--teal) !important;
}

.tab-bar {
  background: rgba(255, 255, 255, .95);
  padding: 12px 16px;
  border: 1px solid var(--bd);
  display: flex;
  overflow-x: auto;
  border-radius: 30px;
  margin-top: 22px;
}

.tab-bar::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: 12px 12px;
  font-size: 13px;
  color: var(--text2);
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
}

.tab.active {
  color: var(--sky-deep);
  font-weight: 800;
  border-bottom-color: var(--sky);
}

.panel {
  display: none;
  padding: 0 0 24px;
}

.panel.active {
  display: block;
}

.cheer {
  margin: 24px 0 10px;
  padding: 18px 20px;
  background: var(--sky-soft);
  border-radius: 24px;
  border: 1px solid var(--bd);
  font-size: 14px;
  color: var(--sky-deep);
  line-height: 1.7;
  box-shadow: inset 0 0 0 1px rgba(100, 183, 255, .12);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 12px 0;
}

.sc {
  background: var(--bg3);
  border-radius: 24px;
  padding: 18px 16px;
  border: 1px solid var(--bd);
  box-shadow: 0 18px 40px rgba(93, 139, 203, .08);
}

.sc-l {
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 8px;
}

.sc-v {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.05;
}

.sc-s {
  font-size: 12px;
  color: var(--text3);
  margin-top: 10px;
}

.sl {
  font-size: 12px;
  font-weight: 700;
  color: var(--sky-deep);
  letter-spacing: .08em;
  margin: 24px 0 12px;
}

.todo-add,
.section-card,
.add-box {
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-radius: 24px;
}

.todo-add {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  margin-bottom: 16px;
}

.todo-inp {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text);
  outline: none;
  min-width: 220px;
  font-size: 14px;
}

.todo-inp::placeholder {
  color: var(--text3);
}

.pri-sel,
.mini-select,
.f-input,
.f-text {
  border: 1px solid var(--bd2);
  border-radius: 18px;
  background: rgba(255, 255, 255, .96);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.pri-sel:focus,
.mini-select:focus,
.f-input:focus,
.f-text:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 6px rgba(100, 183, 255, .12);
}

.add-btn {
  width: 46px;
  height: 46px;
  border-radius: 18px;
  border: none;
  background: linear-gradient(135deg, var(--sky), #5da2ff);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(100, 183, 255, .16);
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.todo-item,
.card-item,
.client-card,
.sched-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px;
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-radius: 24px;
  box-shadow: 0 16px 30px rgba(93, 139, 203, .08);
}

.todo-item.done,
.check-item.done {
  opacity: .7;
}

.tbox,
.ibox {
  width: 22px;
  height: 22px;
  border-radius: 10px;
  border: 1.5px solid var(--bd2);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.todo-item.done .tbox,
.check-item.done .ibox {
  background: var(--teal);
  border-color: var(--teal);
}

.todo-text,
.in {
  flex: 1;
  font-size: 14px;
}

.todo-item.done .todo-text,
.check-item.done .in {
  text-decoration: line-through;
  color: var(--text3);
}

.pri-badge,
.badge {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}

.p-high { background: var(--rbg); color: var(--rt); }
.p-mid { background: var(--abg); color: var(--at); }
.p-low { background: var(--tbg); color: var(--tt); }
.b-work { background: var(--pbg); color: var(--pt); }
.b-meet { background: var(--tbg); color: var(--tt); }
.b-personal { background: var(--abg); color: var(--at); }
.b-deadline { background: var(--rbg); color: var(--rt); }

.icon-btn,
.tdel,
.del-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 18px;
  padding: 4px 5px;
  line-height: 1;
}

.tdel:hover,
.del-btn:hover {
  color: var(--red);
}

.empty-msg {
  font-size: 13px;
  color: var(--text3);
  padding: 18px 0;
  text-align: center;
}

.section-card {
  padding: 18px 20px;
  margin-bottom: 14px;
}

.row2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.row3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.fw {
  margin-bottom: 12px;
}

.fl {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 6px;
  font-weight: 700;
}

.f-text {
  width: 100%;
  min-height: 100px;
  resize: vertical;
}

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 16px;
  font-size: 14px;
  border-radius: 16px;
  border: 1px solid var(--bd2);
  background: rgba(255, 255, 255, .96);
  color: var(--text);
  transition: transform .18s ease, box-shadow .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(93, 139, 203, .12);
}

.btn.primary {
  background: var(--pur);
  border-color: var(--pur);
  color: #fff;
}

.client-card {
  flex-direction: column;
  gap: 12px;
}

.client-top,
.proj-top,
.sched-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
}

.client-meta,
.proj-meta,
.sched-meta,
.small {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}

.client-name,
.proj-name,
.sched-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
}

.muted {
  color: var(--text3);
}

.proj-card {
  background: rgba(255, 255, 255, .95);
  border: 1px solid var(--bd);
  border-radius: 24px;
  padding: 18px 18px;
  margin-bottom: 12px;
  box-shadow: 0 14px 34px rgba(93, 139, 203, .08);
}

.proj-bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.status-doing { background: var(--bbg); color: var(--bt); }
.status-waiting { background: var(--abg); color: var(--at); }
.status-done { background: var(--tbg); color: var(--tt); }
.status-idea { background: var(--pbg); color: var(--pt); }

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.wday-col {
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-radius: 22px;
  min-height: 148px;
  overflow: hidden;
  padding-bottom: 10px;
}

.wday-col.is-today {
  border-color: var(--pur);
  border-width: 1.5px;
}

.wday-hdr {
  padding: 10px 8px 8px;
  text-align: center;
  border-bottom: 1px solid rgba(88, 139, 203, .12);
}

.wday-name {
  font-size: 11px;
  color: var(--text3);
}

.wday-num {
  font-size: 14px;
  font-weight: 700;
}

.wday-events {
  padding: 8px 8px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wev-chip {
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 1.4;
  background: rgba(109, 185, 255, .18);
  color: var(--pt);
}

.sub-tab-bar {
  display: flex;
  gap: 6px;
  margin: 20px 0 18px;
  background: rgba(255, 255, 255, .95);
  border-radius: 24px;
  padding: 4px;
  border: 1px solid var(--bd);
}

.sub-tab {
  flex: 1;
  padding: 12px 14px;
  border-radius: 18px;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text2);
}

.sub-tab.active {
  background: var(--bg3);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(93, 139, 203, .08);
}

.brain-item {
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-radius: 24px;
  padding: 16px 18px;
  margin-bottom: 10px;
}

.brain-time {
  font-size: 11px;
  color: var(--text3);
  margin-top: 8px;
}

.footer-tools {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.notice {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
  background: rgba(255, 255, 255, .9);
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid var(--bd);
}

@media (max-width: 760px) {
  .page {
    padding: 20px 16px 60px;
  }
  .stat-row,
  .row2,
  .row3,
  .week-grid {
    grid-template-columns: 1fr;
  }
  .proj-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .energy-row {
    flex-direction: column;
    align-items: stretch;
  }
  .tab {
    font-size: 12px;
  }
}