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

:root {
  --bg:        #ededff;
  --surface:   #ffffffb2;
  --surface2:  #ffeee1;
  --border:    rgba(197, 0, 0, 0.08);
  --border2:   rgba(223, 14, 14, 0.14);
  --text:      #000000;
  --muted:     #61605e;
  --accent:    #fcc29b;
  --accent2:   #502705;
  --danger:    #c85a4a;
  --success:   #5a9e6f;
  --radius:    12px;
  --font-mono: 'DM Mono', monospace;
  --font-serif:'Fraunces', serif;
}

/*Base Layout*/
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/*Overlay*/
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 15;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

/*Top Bar*/
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--border);
  position: relative;
  z-index: 10;
  flex-shrink: 0;
}

.topbar-btn {
  width: 38px;
  height: 38px;
  border: 0.5px solid var(--border2);
  background: var(--surface);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.topbar-btn:hover {
  background: var(--surface2);
  border-color: var(--accent);
}

.topbar-btn svg {
  width: 16px;
  height: 16px;
  stroke: var(--muted);
  fill: none;
}

.topbar-btn:hover svg {
  stroke: var(--accent);
}

.logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 300;
  color: var(--accent2);
  letter-spacing: 0.04em;
  font-style: italic;
}

/*Main Area*/
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}

/*Setup View*/
#setupView {
  text-align: center;
}

#timerView {
  display: none;
  flex-direction: column;
  align-items: center;
}

.setup-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--accent2);
  font-style: italic;
  margin-bottom: 6px;
}

.setup-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}

.time-options {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.time-opt {
  padding: 8px 18px;
  border: 0.5px solid var(--border2);
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.time-opt:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.time-opt.selected {
  border-color: var(--accent);
  background: rgba(200, 169, 110, 0.1);
  color: var(--accent2);
}

.custom-time {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
}

.custom-time input {
  width: 60px;
  background: var(--surface);
  border: 0.5px solid var(--border2);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  padding: 8px;
  outline: none;
}

.custom-time input:focus {
  border-color: var(--accent);
}

.custom-time label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.start-btn {
  padding: 12px 40px;
  background: var(--accent);
  color: #1a1508;
  border: none;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.start-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.start-btn:active {
  transform: scale(0.98);
}

/*Timer View*/
.timer-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.timer-svg {
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--surface2);
  stroke-width: 4;
}

.ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}

.timer-inner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timer-display {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}

.timer-label {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 6px;
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.ctrl-btn {
  padding: 10px 24px;
  border: 0.5px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.ctrl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ctrl-btn.stop {
  border-color: rgba(200, 90, 74, 0.4);
  color: var(--danger);
}

.ctrl-btn.stop:hover {
  background: rgba(200, 90, 74, 0.1);
}

.ctrl-btn.primary {
  background: var(--accent);
  color: #1a1508;
  border-color: var(--accent);
}

.ctrl-btn.primary:hover {
  opacity: 0.85;
}

.status-text {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 16px;
  min-height: 16px;
}

.status-text.running { color: var(--success); }
.status-text.paused  { color: var(--accent); }
.status-text.done    { color: var(--accent2); font-style: italic; }

/*Side Panels*/
.panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 280px;
  background: var(--surface);
  border: 0.5px solid var(--border2);
  z-index: 20;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel.right {
  right: 0;
  transform: translateX(100%);
  border-right: none;
}

.panel.right.open {
  transform: translateX(0);
}

.panel.left {
  left: 0;
  transform: translateX(-100%);
  border-left: none;
}

.panel.left.open {
  transform: translateX(0);
}

.panel-header {
  padding: 16px 16px 12px;
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 300;
  color: var(--accent2);
  font-style: italic;
  letter-spacing: 0.02em;
}

.panel-close {
  width: 28px;
  height: 28px;
  border: 0.5px solid var(--border);
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 16px;
  transition: all 0.15s;
}

.panel-close:hover {
  border-color: var(--border2);
  color: var(--text);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/*To-Do List*/
.to-do-add {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.to-do-add input {
  flex: 1;
  background: var(--surface2);
  border: 0.5px solid var(--border2);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 10px;
  outline: none;
  border-radius: 20px;
}

.to-do-add input:focus {
  border-color: var(--accent);
}

.to-do-add input::placeholder {
  color: var(--muted);
}

.to-do-add button {
  width: 25px;
  height: 25px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  color: #1a1508;
  font-size: 20px;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.15s;
  margin-top: 3px;
}

.to-do-add button:hover {
  opacity: 0.85;
}

.to-do-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 0.5px solid var(--border);
}

.to-do-item:last-child {
  border-bottom: none;
}

.to-do-check {
  width: 16px;
  height: 16px;
  border: 0.5px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  background: transparent;
}

.to-do-check.done {
  background: var(--success);
  border-color: var(--success);
}

.to-do-check.done::after {
  content: '';
  width: 8px;
  height: 5px;
  border-left: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
  display: block;
}

.to-do-text {
  flex: 1;
  font-size: 11px;
  color: var(--text);
  line-height: 1.5;
  cursor: pointer;
  word-break: break-word;
}

.to-do-text.done {
  color: var(--muted);
  text-decoration: line-through;
}

.to-do-del {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.15s;
  flex-shrink: 0;
}

.to-do-item:hover .to-do-del {
  opacity: 1;
}

.to-do-del:hover {
  color: var(--danger);
}

.to-do-empty {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  padding: 24px 0;
  font-style: italic;
}

/*Calendario*/
.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cal-nav button {
  background: none;
  border: 0.5px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.cal-nav button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cal-month {
  font-size: 12px;
  color: var(--text);
  letter-spacing: 0.06em;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 14px;
}

.cal-dow {
  font-size: 9px;
  color: var(--muted);
  text-align: center;
  padding: 4px 0;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  transition: all 0.12s;
  border: 0.5px solid transparent;
}

.cal-day:hover {
  background: var(--surface2);
  color: var(--text);
}

.cal-day.today {
  color: var(--accent2);
  border-color: var(--accent);
}

.cal-day.has-event::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.cal-day.selected {
  background: rgba(200, 169, 110, 0.15);
  color: var(--accent2);
  border-color: rgba(200, 169, 110, 0.3);
}

.cal-day.empty {
  cursor: default;
}

.cal-day.empty:hover {
  background: none;
}

.cal-events {
  border-top: 0.5px solid var(--border);
  padding-top: 12px;
}

.cal-events-title {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.event-add {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.event-add input {
  flex: 1;
  background: var(--surface2);
  border: 0.5px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 8px;
  outline: none;
}

.event-add input:focus {
  border-color: var(--accent);
}

.event-add input::placeholder {
  color: var(--muted);
}

.event-add button {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  color: #1a1508;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.event-add button:hover {
  opacity: 0.85;
}

.event-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 0;
  border-bottom: 0.5px solid var(--border);
  font-size: 10px;
  color: var(--text);
}

.event-item:last-child {
  border-bottom: none;
}

.event-dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.event-del {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  margin-left: auto;
  opacity: 0;
  transition: opacity 0.15s;
}

.event-item:hover .event-del {
  opacity: 1;
}

.event-del:hover {
  color: var(--danger);
}

.no-events {
  font-size: 10px;
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 8px 0;
}

/*Bottom Bar */
.bottombar {
  padding: 10px 20px;
  border-top: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.clock-display {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/*Scrollbar*/
.panel-body::-webkit-scrollbar {
  width: 4px;
}

.panel-body::-webkit-scrollbar-track {
  background: transparent;
}

.panel-body::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}

#repeatBtn {
  font-size: 9px;
  cursor: pointer;
  transition: opacity 0.3s;
}