/* ============================================================================
   CipherLink v1.2.1 Styles
   ============================================================================ */

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

body {
  font-family: 'Courier New', Courier, monospace;
  height: 100vh;
  overflow: hidden;
}

/* Color scheme */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #000;
    color: #888;
    --bg-primary: #000;
    --bg-secondary: #111;
    --bg-hover: #222;
    --bg-selected: #333;
    --text-primary: #888;
    --text-secondary: #666;
    --text-muted: #444;
    --border-color: #333;
    --message-sent-bg: #1a3a1a;
    --message-received-bg: #1a1a3a;
    --toast-success-bg: #1a3a1a;
    --toast-info-bg: #1a3a3a;
    --toast-error-bg: #3a1a1a;
    --input-bg: #111;
    --button-bg: #333;
    --button-hover: #444;
  }
}

@media (prefers-color-scheme: light) {
  body {
    background-color: #f0f0f0;
    color: #333;
    --bg-primary: #f0f0f0;
    --bg-secondary: #e0e0e0;
    --bg-hover: #d0d0d0;
    --bg-selected: #c0c0c0;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --border-color: #ccc;
    --message-sent-bg: #d4edda;
    --message-received-bg: #d1ecf1;
    --toast-success-bg: #d4edda;
    --toast-info-bg: #d1ecf1;
    --toast-error-bg: #f8d7da;
    --input-bg: #fff;
    --button-bg: #007bff;
    --button-hover: #0056b3;
  }
}

/* App container */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
#app-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#app-header h1 {
  font-size: 1.5rem;
  font-weight: bold;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.identity-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 0.8rem;
}

.identity-name-wrapper {
  display: flex;
  align-items: center;
}

.identity-name-input {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: all 0.2s;
  text-align: right;
}

.identity-name-input:hover {
  border-color: var(--border-color);
  background-color: var(--bg-hover);
}

.identity-name-input:focus {
  outline: none;
  border-color: var(--text-primary);
  background-color: var(--input-bg);
}

.identity-key {
  color: var(--text-secondary);
  font-size: 0.7rem;
}

.share-btn {
  padding: 0.5rem 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  font-weight: bold;
  background-color: var(--button-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.share-btn:hover {
  background-color: var(--button-hover);
  transform: translateY(-1px);
}

.share-btn:active {
  transform: translateY(0);
  opacity: 0.8;
}

/* Main container */
#main-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
#sidebar {
  width: 300px;
  border-right: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  overflow-y: auto;
}

#contacts-list {
  display: flex;
  flex-direction: column;
}

.contact-row {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s;
}

.contact-row:hover {
  background-color: var(--bg-hover);
}

.contact-row.selected {
  background-color: var(--bg-selected);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-name {
  font-weight: bold;
  color: var(--text-primary);
}

.contact-key {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.contact-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.contact-time {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.delete-contact-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.25rem;
  opacity: 0.3;
  transition: all 0.2s;
  line-height: 1;
}

.delete-contact-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.delete-contact-btn:active {
  transform: scale(0.95);
}

/* Thread view */
#thread-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.thread-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.thread-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.thread-contact-name-wrapper {
  display: flex;
  align-items: center;
}

.thread-contact-name-input {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: all 0.2s;
  min-width: 200px;
}

.thread-contact-name-input:hover {
  border-color: var(--border-color);
  background-color: var(--bg-hover);
}

.thread-contact-name-input:focus {
  outline: none;
  border-color: var(--text-primary);
  background-color: var(--input-bg);
}

.thread-contact-key {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Messages list */
.messages-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.message {
  max-width: 70%;
  padding: 0.75rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.message-sent {
  align-self: flex-end;
  background-color: var(--message-sent-bg);
}

.message-received {
  align-self: flex-start;
  background-color: var(--message-received-bg);
}

.message-content {
  word-wrap: break-word;
  white-space: pre-wrap;
}

.message-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.message-time {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.message-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.copy-msg-btn,
.delete-msg-btn {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem;
  opacity: 0.5;
  transition: all 0.2s;
  line-height: 1;
}

.copy-msg-btn:hover,
.delete-msg-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.copy-msg-btn:active,
.delete-msg-btn:active {
  transform: scale(0.95);
}

/* Compose area */
.compose-area {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  gap: 0.5rem;
}

#message-input {
  flex: 1;
  padding: 0.75rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  resize: vertical;
  min-height: 60px;
  max-height: 200px;
}

#message-input:focus {
  outline: none;
  border-color: var(--text-primary);
}

#send-button {
  padding: 0.75rem 1.5rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  font-weight: bold;
  background-color: var(--button-bg);
  color: var(--text-primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#send-button:hover {
  background-color: var(--button-hover);
}

#send-button:active {
  opacity: 0.8;
}

/* Empty state */
.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

/* Toast notifications */
.toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 1rem 2rem;
  border-radius: 4px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-success {
  background-color: var(--toast-success-bg);
  color: var(--text-primary);
}

.toast-info {
  background-color: var(--toast-info-bg);
  color: var(--text-primary);
}

.toast-error {
  background-color: var(--toast-error-bg);
  color: var(--text-primary);
}

/* URL Modal */
.url-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.url-modal-overlay.show {
  opacity: 1;
}

.url-modal {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.url-modal-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.url-modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.url-modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.url-modal-close:hover {
  color: var(--text-primary);
}

.url-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.url-modal-textarea {
  width: 100%;
  min-height: 120px;
  padding: 0.75rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  resize: vertical;
  word-break: break-all;
}

.url-modal-textarea:focus {
  outline: none;
  border-color: var(--text-primary);
}

.url-modal-copy-btn {
  padding: 0.75rem 1.5rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  font-weight: bold;
  background-color: var(--button-bg);
  color: var(--text-primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.url-modal-copy-btn:hover {
  background-color: var(--button-hover);
}

.url-modal-copy-btn:active {
  opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
  #sidebar {
    width: 250px;
  }

  .message {
    max-width: 85%;
  }

  .share-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }

  .header-right {
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  #main-container {
    flex-direction: column;
  }

  #sidebar {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .message {
    max-width: 90%;
  }

  #app-header {
    padding: 0.75rem;
  }

  #app-header h1 {
    font-size: 1.2rem;
  }

  .header-right {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
  }

  .share-btn {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }

  .identity-badge {
    font-size: 0.7rem;
  }
}