/* ===== Tool Panel Base (White Glass) ===== */
.tool-panel {
  position: fixed;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(40px) saturate(1.2);
  -webkit-backdrop-filter: blur(40px) saturate(1.2);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.5);
  z-index: 400;
  animation: toolPanelIn 0.35s var(--bounce);
  overflow: hidden;
  min-width: 260px;
  max-width: 320px;
}

.tool-panel.closing {
  animation: toolPanelOut 0.25s ease forwards;
}

@keyframes toolPanelIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toolPanelOut {
  to { opacity: 0; transform: translateY(20px) scale(0.95); }
}

.tool-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  cursor: move;
  user-select: none;
}

.tool-header h4 {
  font-size: 13px; font-weight: 600;
  color: #333;
  display: flex; align-items: center; gap: 6px;
}

.tool-header h4 svg { color: #888; }

.tool-header-actions {
  display: flex; gap: 4px;
}

.tool-close-btn {
  background: rgba(0,0,0,0.04); border: none;
  color: #999;
  width: 24px; height: 24px;
  border-radius: 6px; cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}

.tool-close-btn:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

.tool-body {
  padding: 10px 14px;
  max-height: 360px;
  overflow-y: auto;
}

.tool-body::-webkit-scrollbar { width: 3px; }
.tool-body::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 2px; }

/* ===== Notes Tool ===== */
.notes-grid {
  display: flex; flex-direction: column; gap: 8px;
}

.note-card {
  border-radius: 8px;
  padding: 10px;
  position: relative;
  min-height: 60px;
  transition: var(--transition);
}

.note-card:hover { transform: scale(1.01); }

.note-card .note-title {
  font-size: 12px; font-weight: 600;
  color: rgba(0,0,0,0.8);
  margin-bottom: 4px;
  outline: none; border: none; background: transparent;
  width: 100%; font-family: var(--font);
}

.note-card .note-content {
  font-size: 11px; color: rgba(0,0,0,0.6);
  outline: none; border: none; background: transparent;
  width: 100%; min-height: 30px; resize: none;
  font-family: var(--font); line-height: 1.5;
}

.note-del {
  position: absolute; top: 4px; right: 4px;
  background: rgba(0,0,0,0.12); border: none;
  color: rgba(0,0,0,0.4);
  width: 18px; height: 18px; border-radius: 50%;
  font-size: 11px; cursor: pointer;
  display: none; align-items: center; justify-content: center;
}

.note-card:hover .note-del { display: flex; }

.note-colors {
  display: flex; gap: 4px; margin-top: 6px; padding-top: 6px;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.note-color-btn {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: var(--transition);
}

.note-color-btn:hover { transform: scale(1.2); }
.note-color-btn.active { border-color: rgba(0,0,0,0.35); }

.note-add-btn {
  background: rgba(0,0,0,0.03); border: 1.5px dashed rgba(0,0,0,0.12);
  color: #999;
  padding: 10px; border-radius: 8px;
  cursor: pointer; font-size: 12px;
  font-family: var(--font);
  transition: var(--transition);
  width: 100%;
}

.note-add-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(99,102,241,0.04); }

/* ===== Todos Tool ===== */
.todo-input-row {
  display: flex; gap: 6px; margin-bottom: 10px;
}

.todo-input {
  flex: 1;
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 8px 12px;
  color: #333;
  font-size: 12px;
  font-family: var(--font);
  outline: none;
}

.todo-input::placeholder { color: #bbb; }
.todo-input:focus { border-color: var(--accent); background: #fff; }

.todo-add-btn {
  background: var(--accent); border: none;
  color: #fff; padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer; font-size: 12px;
  font-family: var(--font);
  transition: var(--transition);
  white-space: nowrap;
}

.todo-add-btn:hover { filter: brightness(1.1); }

.todo-list { display: flex; flex-direction: column; gap: 4px; }

.todo-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  background: rgba(0,0,0,0.02);
  border-radius: 8px;
  transition: var(--transition);
}

.todo-item:hover { background: rgba(0,0,0,0.04); }

.todo-checkbox {
  appearance: none;
  width: 16px; height: 16px;
  border: 1.5px solid rgba(0,0,0,0.2);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.todo-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.todo-checkbox:checked::after {
  content: '✓';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  color: #fff; font-size: 10px;
}

.todo-text {
  flex: 1; font-size: 12px; color: #555;
  transition: var(--transition);
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.5;
}

.todo-text.done {
  text-decoration: line-through;
  color: #bbb;
}

.todo-del {
  background: none; border: none;
  color: #ccc;
  cursor: pointer; font-size: 14px;
  opacity: 0;
  transition: var(--transition);
  flex-shrink: 0;
}

.todo-item:hover .todo-del { opacity: 1; }
.todo-del:hover { color: var(--danger); }

/* ===== Weather Tool ===== */
.weather-main {
  display: flex; align-items: center; gap: 12px;
  padding: 4px 0;
}

.weather-icon { font-size: 40px; }

.weather-temp {
  font-size: 32px; font-weight: 300;
  color: #333; line-height: 1;
}

.weather-temp span { font-size: 14px; color: #999; }

.weather-desc {
  font-size: 13px; color: #888;
  margin-top: 2px;
}

.weather-details {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.weather-detail {
  font-size: 11px; color: #aaa;
}

.weather-detail span { color: #666; font-weight: 500; }

.weather-city-input {
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 7px 10px;
  color: #333;
  font-size: 12px;
  font-family: var(--font);
  outline: none;
  width: 100%;
  margin-bottom: 8px;
}

.weather-city-input::placeholder { color: #bbb; }
.weather-city-input:focus { border-color: var(--accent); background: #fff; }

/* ===== Countdown Tool ===== */
.countdown-list { display: flex; flex-direction: column; gap: 8px; }

.countdown-item {
  background: rgba(0,0,0,0.02);
  border-radius: 8px;
  padding: 10px;
  border-left: 3px solid var(--accent);
  position: relative;
}

.countdown-title { font-size: 13px; font-weight: 500; color: #444; margin-bottom: 2px; }

.countdown-days {
  font-size: 22px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.countdown-days small {
  font-size: 12px; font-weight: 400;
  -webkit-text-fill-color: #aaa;
}

.countdown-date { font-size: 11px; color: #bbb; margin-top: 1px; }

.countdown-del {
  position: absolute; top: 6px; right: 6px;
  background: rgba(0,0,0,0.04); border: none;
  color: #bbb; cursor: pointer;
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

.countdown-del:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

.cd-add-form {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 8px; padding-top: 8px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.cd-add-form input {
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 7px 10px;
  color: #333;
  font-size: 12px;
  font-family: var(--font);
  outline: none;
}

.cd-add-form input:focus { border-color: var(--accent); background: #fff; }

/* ===== Calculator Tool ===== */
.calc-display {
  background: rgba(0,0,0,0.04);
  border-radius: 8px;
  padding: 12px;
  text-align: right;
  margin-bottom: 8px;
}

.calc-expr {
  font-size: 12px; color: #aaa;
  min-height: 16px;
}

.calc-result {
  font-size: 26px; font-weight: 300;
  color: #333;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.calc-btn {
  background: rgba(0,0,0,0.04);
  border: none; color: #444;
  padding: 12px; border-radius: 8px;
  font-size: 15px; cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
}

.calc-btn:hover { background: rgba(0,0,0,0.08); }
.calc-btn:active { transform: scale(0.95); }

.calc-btn.operator {
  background: rgba(99,102,241,0.08);
  color: var(--accent);
}

.calc-btn.operator:hover { background: rgba(99,102,241,0.15); }

.calc-btn.equals {
  background: var(--accent);
  color: #fff;
}

.calc-btn.equals:hover { filter: brightness(1.1); }

.calc-btn.clear { color: var(--danger); }

/* ===== Pomodoro Tool ===== */
.pomo-container {
  display: flex; flex-direction: column; align-items: center;
  padding: 6px 0;
}

.pomo-circle {
  position: relative;
  width: 150px; height: 150px;
  margin-bottom: 14px;
}

.pomo-circle svg {
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}

.pomo-track {
  fill: none;
  stroke: rgba(0,0,0,0.06);
  stroke-width: 6;
}

.pomo-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 502;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

.pomo-progress.resting { stroke: var(--success); }

.pomo-time {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-size: 32px; font-weight: 300;
  color: #333;
  letter-spacing: 2px;
}

.pomo-label {
  font-size: 12px; color: #888;
  margin-bottom: 12px;
}

.pomo-controls {
  display: flex; gap: 8px;
}

.pomo-btn {
  background: rgba(0,0,0,0.04);
  border: none; color: #555;
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer; font-size: 13px;
  font-family: var(--font);
  transition: var(--transition);
}

.pomo-btn:hover { background: rgba(0,0,0,0.08); }

.pomo-btn.primary {
  background: var(--accent);
  color: #fff;
}

.pomo-btn.primary:hover { filter: brightness(1.1); }

.pomo-stats {
  display: flex; gap: 16px;
  margin-top: 12px; padding-top: 10px;
  border-top: 1px solid rgba(0,0,0,0.06);
  font-size: 11px; color: #aaa;
}

.pomo-stats span { color: #666; font-weight: 600; }