/* Modern CSS for 4DSTAR Bundle Manager - v2 */

/* Global Resets and Variables */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --bg-color: #f4f7fa;
  --sidebar-bg: #ffffff;
  --content-bg: #ffffff;
  --text-color: #2c3e50;
  --text-light: #7f8c8d;
  --border-color: #e1e5e8;
  --primary-color: #3498db;
  --primary-hover: #2980b9;
  --danger-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --sidebar-width: 220px;
  --header-height: 60px;
}

body.dark-mode {
  --bg-color: #2c3e50;
  --sidebar-bg: #34495e;
  --content-bg: #34495e;
  --text-color: #ecf0f1;
  --text-light: #95a5a6;
  --border-color: #4a6278;
  --primary-color: #3498db;
  --primary-hover: #4aa3df;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.2s, color 0.2s;
  overflow: hidden;
}

/* Main Layout */
.main-container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: background-color 0.2s;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.sidebar-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
}

.sidebar-nav {
  padding: 15px 10px;
  flex-grow: 1;
}

.nav-button {
  display: block;
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 8px;
  border: none;
  border-radius: 6px;
  background-color: transparent;
  color: var(--text-color);
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.nav-button:hover {
  background-color: var(--primary-color);
  color: white;
}

.nav-button.active {
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
}

.sidebar-footer {
  padding: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Content Area */
.content-area {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#welcome-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  text-align: center;
  color: var(--text-light);
}

#welcome-screen h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 25px;
  height: var(--header-height);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--content-bg);
  flex-shrink: 0;
}

.content-header h2 {
  font-size: 1.4rem;
}

.action-buttons button {
  margin-left: 10px;
  padding: 8px 16px;
  border-radius: 5px;
  border: 1px solid var(--primary-color);
  background-color: transparent;
  color: var(--primary-color);
  cursor: pointer;
  transition: all 0.2s;
}

.action-buttons button:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Tabs */
.tab-nav {
  display: flex;
  padding: 0 25px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--content-bg);
  flex-shrink: 0;
}

.tab-link {
  padding: 15px 20px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-light);
  font-size: 1rem;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.tab-link:hover {
  color: var(--primary-color);
}

.tab-link.active {
  color: var(--text-color);
  border-bottom-color: var(--primary-color);
  font-weight: 600;
}

#tab-content {
  padding: 25px;
  overflow-y: auto;
  flex-grow: 1;
  background-color: var(--bg-color);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Card-based info display */
.card {
    background-color: var(--content-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 12px;
}

.info-grid .label {
    font-weight: 600;
    color: var(--text-light);
}

.info-grid .value.signature {
    word-break: break-all;
    font-family: monospace;
    font-size: 0.9rem;
}

/* Trust Indicator */
.trust-indicator-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.trust-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.trust-indicator.trusted { background-color: var(--success-color); }
.trust-indicator.untrusted { background-color: var(--danger-color); }
.trust-indicator.unsigned { background-color: var(--warning-color); }
.trust-indicator.warning { background-color: var(--warning-color); }

/* Plugins List */
#plugins-list .plugin-item {
    background-color: var(--content-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

#plugins-list h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* Validation Results */
#validation-results {
    background-color: var(--content-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: monospace;
}

/* Modal */
.modal-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--content-bg);
  padding: 30px;
  border-radius: 8px;
  min-width: 400px;
  max-width: 600px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--text-light);
}

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

#modal-title {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

/* Utility */
.hidden {
  display: none;
}

/* Fill Modal Specifics */
#fill-targets-list,
#fill-progress-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 15px;
}

.fill-target-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

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

.fill-target-item label {
    flex-grow: 1;
    margin-left: 10px;
}

.progress-indicator {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
}

.progress-indicator.spinner-icon {
    border: 2px solid var(--text-color-light);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}

.progress-indicator.success-icon::before {
    content: '✔';
    color: var(--success-color);
    font-size: 20px;
}

.progress-indicator.failure-icon::before {
    content: '✖';
    color: var(--error-color);
    font-size: 20px;
}

#start-fill-button {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s;
}

#start-fill-button:hover {
    background-color: var(--primary-color-dark);
}

.spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 4px solid rgba(0, 0, 0, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border-left-color: var(--primary-color);
  animation: spin 1s ease infinite;
  z-index: 2000;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}