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

body {
  font-family: "Courier New", Courier, monospace;
  overflow-x: hidden;
}

/* Dark Sphere Grid Background */
.container {
  min-height: 100vh;
  width: 100%;
  background: #020617;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.container::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #020617;
  background-image: linear-gradient(to right, rgba(71, 85, 105, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(71, 85, 105, 0.3) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
}

/* Terminal Window */
.terminal {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 800px;
  background: linear-gradient(to bottom, #0f0f0f 0%, #0a0a0a 100%);
  border: 1px solid #1e293b;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(6, 182, 212, 0.1), 0 0 40px rgba(6, 182, 212, 0.05);
  overflow: hidden;
}

/* Terminal Header */
.terminal-header {
  position: relative;
  background: linear-gradient(to bottom, #1a1a1a 0%, #151515 100%);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #1e293b;
  position: relative;
}

.terminal-buttons {
  display: flex;
  gap: 8px;
}

.terminal-buttons span {
  display: inline-block;
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.terminal-buttons i {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 8px;
  font-weight: bold;
  color: #333;
}

.terminal-buttons span:hover i {
  display: block;
}

.btn-close {
  background: #ff5f56;
}

.btn-minimize {
  background: #ffbd2e;
}

.btn-maximize {
  background: #27c93f;
}

.btn-filter {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #06b6d4;
}

.btn-close,
.btn-minimize,
.btn-maximize,
.btn-filter {
  cursor: pointer;
}

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: #64748b;
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* Filter */
.filter-options {
  position: absolute;
  right: 12px;
  top: 100%;
  transform: translateY(2%);
  transform: translateX(10%);
  display: flex;
  flex-direction: column;
  color: #64748b;
  gap: 8px;
  font-size: 16px;
  letter-spacing: 0.5px;
  border-left: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
  border-radius: 5px;
  padding: 10px;
  animation: slideLeft 200ms ease forwards;
}

@keyframes slideLeft {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(0);
  }
}

.filter-option {
  margin-top: 4px;
  margin-bottom: 4px;
  cursor: pointer;
}

.filter-option:hover {
  color: #06b6d4;
}

.hidden {
  display: none;
}

.show {
  display: block;
}

/* Terminal Content */
.terminal-content {
  padding: 24px;
  min-height: 400px;
  background: #000;
}

.blink {
  font-size: 1.6rem;
  color: #06b6d4;
  animation: blink 1050ms step-start 0s infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Terminal Prompt */
.terminal-prompt {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.prompt-symbol {
  color: #06b6d4;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

.prompt-text {
  color: #e5e7eb;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 1px;
}

/* Input Section */
.input-section {
  margin-bottom: 32px;
}

.input-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.input-label {
  color: #06b6d4;
  font-size: 14px;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  outline: none;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.terminal-input::placeholder {
  color: #475569;
}

.terminal-input:focus {
  color: #e5e7eb;
  border-bottom: 1px solid #06b6d4;
  box-shadow: 0 1px 0 0 rgba(6, 182, 212, 0.3);
}

/* Command Hints */
.command-hints {
  display: flex;
  gap: 24px;
  padding-left: 30px;
}

.hint {
  color: #475569;
  font-size: 12px;
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, #1e293b 50%, transparent);
  margin: 24px 0;
}

/* Tasks Section */
.tasks-section {
  margin-top: 24px;
}

.section-title {
  position: relative;
  color: #64748b;
  font-size: 13px;
  font-weight: normal;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 24px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 1px;
  background-color: #1e293b;
  transform: translateY(-20px);
}

.tasks-container {
  border: 1px dashed #1e293b;
  padding: 40px 24px;
  border-radius: 4px;
  min-height: 200px;
  background: rgba(6, 182, 212, 0.02);
}

/* Empty State */
.empty-state {
  text-align: center;
}

.comment {
  color: #475569;
  font-size: 14px;
  font-style: italic;
  line-height: 1.8;
}

/* Alert */
.alert {
  text-align: left;
  color: #06b6d4;
  font-size: 14px;
  margin-bottom: 5px;
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
}

/* Task List (for when tasks exist) */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid #334155;
  transition: all 0.2s ease;
}

.task-item:last-child {
  border-bottom: none;
}

.task-item:hover {
  background: rgba(24, 174, 200, 0.017);
}

.task-checkbox {
  width: 12px;
  height: 12px;
  cursor: pointer;
  accent-color: #06b6d4;
  transition: transform 0.2s ease;
}

.task-checkbox:hover {
  transform: scale(1.2);
}

.task-checkbox:checked {
  animation: checkboxPop 0.3s ease;
}

.task-label {
  flex: 1;
  color: #94a3b8;
  font-size: 14px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.task-label:hover {
  color: #cbd5e1;
}

.task-label.completed {
  text-decoration: line-through;
  color: #475569;
}

.task-delete {
  color: #64748b;
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s ease;
  opacity: 0.7;
}

.task-delete:hover {
  color: #06b6d4;
  opacity: 1;
}

/* Terminal Footer */
.terminal-footer {
  background: #0a0a0a;
  border-top: 1px solid #1e293b;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}

.stats {
  display: flex;
  gap: 8px;
  color: #64748b;
}

.separator {
  color: #334155;
}

.security {
  color: #06b6d4;
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 20px 10px;
  }

  .terminal {
    max-width: 100%;
  }

  .terminal-content {
    padding: 16px;
  }

  .command-hints {
    flex-direction: column;
    gap: 8px;
  }

  .terminal-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* Professional Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes checkboxPop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
  100% {
    transform: scale(1);
  }
}