:root {
  --bg: #0a0b14;
  --panel: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.10);
  --border: rgba(255, 255, 255, 0.18);
  --text: #f2f4ff;
  --muted: rgba(255, 255, 255, 0.6);
  --accent: #8f7cff;
  --accent2: #4da6ff;
  --danger: #ff4d4d;
  --success: #4dff88;
  --shadow: 0 18px 40px rgba(0,0,0,0.55);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: radial-gradient(circle at top left, #161a38, transparent 55%),
              radial-gradient(circle at bottom right, #240a3a, transparent 55%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* TOP BAR */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 35px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.top-bar h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.top-actions {
  display: flex;
  gap: 12px;
}

.top-actions button {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  transition: 0.3s;
  font-weight: 600;
}

.top-actions button:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
}

/* MAIN LAYOUT */
.clock-layout {
  display: flex;
  height: calc(100vh - 78px);
}

/* LEFT MENU */
.clock-menu {
  width: 280px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.04);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(15px);
}

.tab-btn {
  width: 100%;
  padding: 14px;
  margin-bottom: 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 650;
  transition: 0.3s;
  text-align: left;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.10);
  transform: translateX(3px);
}

.tab-btn.active {
  background: linear-gradient(120deg, rgba(143,124,255,0.45), rgba(77,166,255,0.30));
  border: 1px solid rgba(143,124,255,0.6);
  box-shadow: 0 10px 25px rgba(143,124,255,0.25);
}

.saved-title {
  margin-top: 25px;
  margin-bottom: 10px;
}

.saved-title h3 {
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.4px;
}

.saved-box {
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  height: 320px;
  overflow-y: auto;
}

.saved-box::-webkit-scrollbar {
  width: 7px;
}
.saved-box::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
}

/* RIGHT CONTENT */
.clock-content {
  flex: 1;
  padding: 25px;
  overflow-y: auto;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* CARD STYLES */
.clock-card, .tool-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 25px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(15px);
}

/* DIGITAL CLOCK */
.digital-clock {
  text-align: center;
  margin-bottom: 25px;
}

.digital-clock h2 {
  font-size: 3.5rem;
  letter-spacing: 3px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.digital-clock p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 1rem;
}

/* ANALOG CLOCK */
.analog-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.analog-clock {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  box-shadow: inset 0 0 35px rgba(0,0,0,0.6);
  position: relative;
}

.clock-center {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(143,124,255,0.8);
}

.hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: bottom;
  transform: translateX(-50%);
  border-radius: 20px;
}

.hand.hour {
  width: 8px;
  height: 70px;
  background: rgba(255,255,255,0.85);
}

.hand.minute {
  width: 5px;
  height: 95px;
  background: rgba(255,255,255,0.7);
}

.hand.second {
  width: 3px;
  height: 115px;
  background: var(--danger);
  box-shadow: 0 0 10px rgba(255,77,77,0.7);
}

.num {
  position: absolute;
  font-size: 1.2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.7);
}

.n12 { top: 15px; left: 50%; transform: translateX(-50%); }
.n3 { top: 50%; right: 15px; transform: translateY(-50%); }
.n6 { bottom: 15px; left: 50%; transform: translateX(-50%); }
.n9 { top: 50%; left: 15px; transform: translateY(-50%); }

/* TOOL DISPLAY */
.stopwatch-display,
.timer-display {
  text-align: center;
  font-size: 3rem;
  font-weight: 800;
  margin: 25px 0;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ACTION BUTTONS */
.tool-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.tool-actions button {
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.07);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  transition: 0.3s;
}

.tool-actions button:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.14);
}

/* TIMER INPUTS */
.timer-inputs, .alarm-inputs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
  margin-bottom: 20px;
}

.timer-inputs input, .alarm-inputs input {
  width: 120px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 1rem;
  text-align: center;
  outline: none;
}

/* LIST BOXES */
.lap-box, .alarm-list-box, .active-timers-box {
  margin-top: 25px;
  border-radius: 18px;
  padding: 15px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

.lap-box h3, .alarm-list-box h3, .active-timers-box h3 {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 1rem;
}

/* ITEMS */
.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.05);
  padding: 12px;
  border-radius: 14px;
  margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,0.08);
}

.item span {
  font-weight: 700;
  font-size: 0.95rem;
}

.item small {
  display: block;
  color: var(--muted);
  margin-top: 3px;
}

.item button {
  padding: 8px 12px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 800;
  transition: 0.2s;
}

.item .delete {
  background: rgba(255,77,77,0.25);
  color: var(--danger);
  border: 1px solid rgba(255,77,77,0.35);
}

.item .delete:hover {
  background: rgba(255,77,77,0.4);
}

.item .start {
  background: rgba(77,255,136,0.20);
  color: var(--success);
  border: 1px solid rgba(77,255,136,0.35);
}

.item .start:hover {
  background: rgba(77,255,136,0.35);
}