/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
  transition: all 0.3s ease-in-out;
}

body {
  background: linear-gradient(-45deg, #74ebd5, #9face6, #a1c4fd, #c2e9fb);
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
  color: #222;
  padding: 20px;
  overflow-x: hidden;
}

body.dark-mode {
  background: linear-gradient(-45deg, #1f1f1f, #2e2e2e, #101010, #232323);
  color: #eee;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* App Container */
.app-container {
  max-width: 900px;
  margin: auto;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 20px;
  padding: 30px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  margin-top: 100px;
}

body.dark-mode .app-container {
  background: rgba(20, 20, 20, 0.85);
  box-shadow: 0 20px 40px rgba(255, 255, 255, 0.05);
}

/* Header */
header {
  text-align: center;
  margin-bottom: 25px;
  position: relative;
}

header h1 {
  font-size: 2.5rem;
  background: linear-gradient(to right, #00c6ff, #0072ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
}

header p {
  font-size: 1.1rem;
  margin-top: 10px;
  color: #444;
}

body.dark-mode header p {
  color: #ccc;
}

/* Dark Toggle */
.dark-toggle {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* Form */
.task-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 25px;
}

.task-form input {
  flex: 1;
  min-width: 250px;
  padding: 12px;
  border-radius: 10px;
  border: 2px solid #007bff44;
  font-size: 1rem;
  background: #f4faff;
}

body.dark-mode .task-form input {
  background: #2b2b2b;
  color: white;
}

.task-form button {
  padding: 12px 24px;
  background: linear-gradient(to right, #007bff, #00c6ff);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0, 118, 255, 0.4);
  transition: transform 0.2s ease;
}

.task-form button:hover {
  transform: scale(1.05);
}

.task-form button:active {
  transform: scale(0.95);
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  width: 100%;
}

.task-table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  min-width: 100%;
}

body.dark-mode .task-table {
  background-color: #2c2c2c;
  color: white;
}

.task-table thead {
  background: linear-gradient(to right, #00c6ff, #0072ff);
  color: white;
}

.task-table th,
.task-table td {
  padding: 12px;
  text-align: center;
  border-bottom: 1px solid #eee;
  font-size: 1rem;
  word-break: break-word;
}

/* Fix SN column width */
.task-table th:nth-child(1),
.task-table td:nth-child(1) {
  width: 60px;
  text-align: center;
}

/* Wider task column */
.task-table td:nth-child(2),
.task-table th:nth-child(2) {
  width: 50%;
  text-align: left;
}

/* Prevent action buttons from breaking */
.task-table td:last-child {
  white-space: nowrap;
}

/* Row Animation */
.task-table tbody tr {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Status Dropdown */
.status {
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
  color: black;
  background: linear-gradient(to right, #ff9800, #ffc107);
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 0.85rem;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: all 0.3s ease;
}

body.dark-mode .status {
  background: linear-gradient(to right, #ffb300, #ffa000);
}

/* Action Buttons */
.edit-btn,
.delete-btn {
  display: inline-block;
  white-space: nowrap;
  min-width: 60px;
  text-align: center;
  font-size: 0.75rem;
  padding: 6px 10px;
  line-height: 1.2;
  border-radius: 6px;
  text-decoration: none;
  color: white;
  transition: transform 0.2s ease;
}

.edit-btn { background-color: #28a745; }
.delete-btn { background-color: #dc3545; }

.edit-btn:hover,
.delete-btn:hover {
  transform: scale(1.05);
}

/* Responsive Design */

/* Tablets */
@media (max-width: 768px) {
  .task-form {
    flex-direction: column;
    align-items: center;
  }

  .task-form input,
  .task-form button {
    width: 100%;
  }

  header h1 {
    font-size: 2rem;
  }

  .task-table {
    min-width: 100%;
  }
}

/* Mobiles: 750px to 300px */
@media (max-width: 750px) {
  .app-container {
    padding: 20px 10px;
  }

  .task-table th,
  .task-table td {
    font-size: 0.8rem;
    padding: 10px 5px;
  }

  .task-table th:nth-child(1),
  .task-table td:nth-child(1) {
    width: 40px;
    font-size: 0.75rem;
  }

  .task-table td:nth-child(2),
  .task-table th:nth-child(2) {
    width: auto;
    font-size: 0.8rem;
  }

  .status {
    padding: 4px 6px;
    font-size: 0.75rem;
  }

  .edit-btn,
  .delete-btn {
    font-size: 0.7rem;
    padding: 5px 6px;
    min-width: 45px;
  }

  header h1 {
    font-size: 1.6rem;
  }

  header p {
    font-size: 1rem;
  }

  .task-form input {
    font-size: 0.9rem;
  }

  .task-form button {
    font-size: 0.9rem;
    padding: 10px 20px;
  }
}