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

/* page base */
body {
  /* font-family: Arial, sans-serif; */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f4f8;
  color: #222;
}

/* dark mode by JS */
body.dark {
  background: #1a1a2e;
  color: #eee;
}









#topbar {
  background: #4361ee;
  color: white;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#topbar h1 {
  font-size: 20px;
}

#topbar button {
  background: white;
  color: #4361ee;
  border: none;
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: bold;
  font-size: 13px;
}










#heroImg {
  /* width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
   */
  width: 100%;
  height: 350px;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}








#progressArea {
  margin: 16px;
}

#progressArea p {
  font-size: 14px;
  margin-bottom: 6px;
}

#progressBar {
  background: #ddd;
  border-radius: 20px;
  height: 14px;
  overflow: hidden;
}

#progressFill {
  height: 100%;
  width: 0%;
  background: #4361ee;
  border-radius: 20px;
  /* smooth animation when width changes */
  transition: width 0.4s;
}





#timerBox {
  background: white;
  margin: 16px;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

body.dark #timerBox {
  background: #16213e;
}

#timerBox h2 {
  margin-bottom: 6px;
}

#timerLabel {
  color: gray;
  font-size: 14px;
  margin-bottom: 10px;
}

#timerDisplay {
  font-size: 56px;
  font-weight: bold;
  color: #4361ee;
  margin-bottom: 14px;
  /* monospace so digits don't jump around */
  font-family: monospace;
}

#timerButtons button {
  margin: 4px;
  padding: 8px 18px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  color: white;
}

/* give each timer button   own color */
#timerButtons button:nth-child(1) { background: #4361ee; }
#timerButtons button:nth-child(2) { background: orange;  }
#timerButtons button:nth-child(3) { background: #e63946; }






#formBox {
  background: white;
  margin: 16px;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

body.dark #formBox {
    background: #16213e;
}

#formBox h2 {
  margin-bottom: 12px;
}

/* all inputs and textarea share these styles */
#formBox input,
#formBox textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  font-family: Arial, sans-serif;
}

body.dark #formBox input,
body.dark #formBox textarea {
  background: #1a1a2e;
  color: #eee;
  border-color: #444;
}

#formBox textarea {
  height: 70px;
  resize: none;
}

#formBox button {
  width: 100%;
  padding: 12px;
  background: #4361ee;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}








#taskBox {
  background: white;
  margin: 16px;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 40px;
}

body.dark #taskBox {
  background: #16213e;
}

#taskBox h2 {
  margin-bottom: 12px;
}

#emptyMsg {
  color: gray;
  font-size: 14px;
  text-align: center;
  padding: 10px;
}

/* single task card */
.task {
  border: 2px solid #eee;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
}

body.dark .task {
  border-color: #333;
}

/* completed task looks faded */
.task.done {
  opacity: 0.5;
}

.task.done .taskTitle {
  text-decoration: line-through;
}

.taskTitle {
  font-weight: bold;
  font-size: 16px;
  margin-bottom: 4px;
}

.taskDesc {
  font-size: 13px;
  color: gray;
  margin-bottom: 4px;
}

.taskDate {
  font-size: 12px;
  color: #e63946;
  margin-bottom: 8px;
}

/* task action Button*/
.task button {
  margin-right: 6px;
  padding: 5px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: bold;
  color: white;
}








/* mobile responsivenes */
@media (max-width: 500px) {
  #timerDisplay { font-size: 42px; }
  #topbar h1    { font-size: 17px; }
  #heroImg { height: 180px; }
}