@import url("https://fonts.googleapis.com/css2?family=Caveat+Brush&display=swap");

:root {
  --app-bg: #000000;
  --card-bg: #1c1c1e;
  --input-bg: #2c2c2e;
  --separator: #38383a;

  --text-primary: #ffffff;
  --text-secondary: #98989d;
  --text-placeholder: #636366;

  --accent-yellow: #ffd52e;
  --accent-yellow-dim: #d9b225;
  --danger-red: #ff453a;

  --accent-orange: #ff9f43;
  --accent-orange-dim: #e67e22;
}

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

::selection {
  color: #000000;
  background-color: #ffd52e;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  padding: 20px;

  background-color: var(--app-bg);
  background-image: radial-gradient(circle at 50% 0%, #1a1a1a 0%, #000000 80%);
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='1'/%3E%3C/svg%3E");
}

.main-layout {
  display: grid;

  grid-template-columns: 1fr 3fr 1fr;
  gap: 20px;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  align-items: start;
}

.layout-col {
  min-height: 50px;
}

/*Empty currently*/
.left-col {
  /* iwii add a multiple todo-lists feature in the future*/
}

.container {
  width: 100%;

  padding: 30px;

  background-color: rgba(28, 28, 30, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.right-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
  gap: 15px;
}

.details-card {
  width: 100%;
  max-width: 300px;
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--separator);
  text-align: center;

  background-color: rgba(28, 28, 30, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  transition: opacity 0.3s ease, transform 0.3s ease;
  transform-origin: top center;
}

.details-card h3 {
  color: var(--accent-orange);
  font-family: "Caveat Brush", cursive;
  font-size: 24px;
  margin-bottom: 10px;
}

.details-card.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px) scale(0.95);
}

.details-card.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

h1 {
  color: var(--accent-yellow);
  font-family: "Caveat Brush", cursive;
  font-size: clamp(32px, 8vw, 48px);
  margin-bottom: 20px;
  text-align: center;
}

h2 {
  font-weight: 300;
  color: var(--text-primary);
}

.auth-title {
  text-align: center;
  color: var(--accent-yellow-dim);
  margin-bottom: 20px;
}

.user-info {
  text-align: center;
  font-family: "Caveat Brush", cursive;
  font-size: 24px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

#user-welcome {
  color: rgb(242, 248, 132);
}

#currentUsername {
  color: var(--accent-yellow);
}

.auth-container,
.todo-container {
  display: none;
}

.auth-container.active,
.todo-container.active {
  display: block;
}

.auth-form {
  max-width: 400px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--separator);
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

input {
  width: 100%;
  padding: 12px;
  background-color: var(--input-bg);
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 16px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

input:focus {
  border-color: var(--accent-yellow);
  background-color: #3a3a3c;
}

button {
  background-color: var(--accent-yellow);
  color: black;
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.1s;
  white-space: nowrap;
  width: 100%;
  margin-top: 10px;
}

button:hover {
  background-color: var(--accent-yellow-dim);
}

button:active {
  transform: scale(0.98);
}

.auth-toggle {
  text-align: center;
  margin-top: 15px;
  color: var(--text-secondary);
  font-size: 14px;
}

.auth-toggle a {
  color: var(--accent-yellow);
  cursor: pointer;
  text-decoration: none;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

.error-message {
  background-color: rgba(255, 69, 58, 0.1);
  color: var(--danger-red);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 15px;
  display: none;
  text-align: center;
  border: 1px solid rgba(255, 69, 58, 0.2);
}

.error-message.active {
  display: block;
}

.task-input-container {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

#taskInput {
  flex: 1;
  margin-bottom: 0;
  background-color: var(--input-bg);
}

#addButton {
  width: auto;
  margin-top: 0;
}

ul {
  background-color: var(--card-bg);
  border: 1px solid var(--separator);
  padding: 0;
  border-radius: 12px;
  width: 100%;
  list-style-type: none;
  font-size: 18px;
  color: var(--text-primary);
  min-height: 50px;
  overflow: hidden;
}

ul:empty {
  background-color: transparent;
  border: none;
  min-height: 0;
}

li {
  padding: 16px;
  border-bottom: 1px solid var(--separator);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  transition: background-color 0.2s;
}

li:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

li:last-child {
  border-bottom: none;
}

li input[type="checkbox"] {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  cursor: pointer;
  margin: 0;
  accent-color: var(--accent-yellow);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}

.task-text {
  flex: 1;
  word-break: break-word;
  min-width: 150px;
}

.task-text.completed {
  text-decoration: line-through;
  color: var(--text-secondary);
  opacity: 0.8;
}

.task-buttons {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.edit-btn,
.delete-btn {
  padding: 6px 14px;
  font-size: 14px;
  width: auto;
  margin-top: 0;
  border-radius: 8px;
}

.delete-btn,
.logout-btn {
  background-color: rgba(255, 69, 58, 0.15);
  color: var(--danger-red);
}

.delete-btn:hover,
.logout-btn:hover {
  background-color: var(--danger-red);
  color: white;
}

.edit-btn {
  background-color: #3a3a3c;
  color: var(--accent-yellow);
}

.edit-btn:hover {
  background-color: #48484a;
}

.edit-input {
  flex: 1;
  margin-bottom: 0;
  min-width: 150px;
  background-color: var(--input-bg);
  color: white;
}

.logout-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: auto;
  margin: 0;
  padding: 8px 16px;
  font-size: 14px;
  z-index: 10;
  border-radius: 10px;
  border: 1px solid rgba(255, 69, 58, 0.3);
}

#emptyMessage {
  text-align: center;
  color: var(--text-secondary);
  margin: 30px 0;
  font-style: italic;
  opacity: 0.7;
}

@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }

  .middle-col {
    order: 1;
  }
  .right-col {
    order: 2;
    margin-bottom: 20px;
    width: 100%;
  }
  .left-col {
    order: 3;
    display: none;
  }

  .details-card {
    max-width: 100%;
  }

  .container {
    padding: 15px;
    padding-top: 60px;
  }

  .task-input-container {
    flex-direction: column;
  }

  #addButton {
    width: 100%;
  }

  .task-buttons {
    width: 100%;
    justify-content: flex-end;
    margin-top: 10px;
  }

  .edit-btn,
  .delete-btn {
    flex: 1;
  }

  .logout-btn {
    padding: 6px 12px;
    font-size: 12px;
    top: 15px;
    right: 15px;
    max-width: none;
    display: block;
  }
}