:root {
  color-scheme: dark;
  --page-background: #1a1a1a;
  --page-background-image: linear-gradient(180deg, #1a1a1a 0%, #121212 100%);
  --surface: #262626;
  --surface-elevated: #333333;
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-subtle: #888888;
  --border-color: #333333;
  --border-strong: #555555;
  --shadow-color: rgba(33, 17, 65, 0.37);
  --modal-overlay: rgba(26, 26, 26, 0.9);
  --log-modal-overlay: rgba(0, 0, 0, 0.8);
  --theme-toggle-bg: rgba(255, 255, 255, 0.96);
  --theme-toggle-border: rgba(15, 23, 42, 0.08);
  --theme-toggle-shadow: 0 12px 30px rgba(15, 23, 42, 0.14);
  --theme-toggle-hover-shadow: 0 16px 36px rgba(15, 23, 42, 0.2);
  --theme-toggle-icon: #0f172a;
  --error-text: #ff4747;
  --error-border: rgba(255, 71, 71, 0.3);
  --error-background: rgba(255, 71, 71, 0.1);
  --success-text: #4caf50;
  --success-border: rgba(76, 175, 80, 0.3);
  --success-background: rgba(76, 175, 80, 0.1);
  --input-background: #333333;
  --log-entry-background: rgba(255, 255, 255, 0.02);
  --log-exception-color: #ff9999;
}

:root.light {
  color-scheme: light;
  --page-background: #edf2f7;
  --page-background-image:
    radial-gradient(circle at top left, rgba(54, 128, 180, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(62, 145, 87, 0.1), transparent 20%),
    linear-gradient(180deg, #f8fbfd 0%, #e7eef4 100%);
  --surface: rgba(255, 255, 255, 0.96);
  --surface-elevated: #eef3f7;
  --text-primary: #16202a;
  --text-secondary: #52606d;
  --text-subtle: #6b7280;
  --border-color: #d7e0e8;
  --border-strong: #c3ceda;
  --shadow-color: rgba(37, 58, 84, 0.18);
  --modal-overlay: rgba(229, 236, 242, 0.92);
  --log-modal-overlay: rgba(64, 81, 99, 0.45);
  --theme-toggle-bg: rgba(255, 255, 255, 0.96);
  --theme-toggle-border: rgba(15, 23, 42, 0.08);
  --theme-toggle-shadow: 0 12px 30px rgba(28, 46, 70, 0.12);
  --theme-toggle-hover-shadow: 0 16px 36px rgba(28, 46, 70, 0.18);
  --theme-toggle-icon: #0f172a;
  --error-text: #c62828;
  --error-border: rgba(198, 40, 40, 0.2);
  --error-background: rgba(198, 40, 40, 0.08);
  --success-text: #2e7d32;
  --success-border: rgba(46, 125, 50, 0.2);
  --success-background: rgba(46, 125, 50, 0.08);
  --input-background: #ffffff;
  --log-entry-background: rgba(22, 32, 42, 0.03);
  --log-exception-color: #b42318;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: "Roboto", sans-serif;
  background-color: var(--page-background);
  background-image: var(--page-background-image);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  z-index: 1;
}

body,
.container,
.footer-toggle,
.footer-message,
.modal-content,
.log-modal-content,
.log-modal-header,
#logLevelFilter,
.step,
.theme-toggle,
.error-message,
.success-message,
.log-entry {
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 1100;
  margin: 0;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 1px solid var(--theme-toggle-border);
  border-radius: 50%;
  background: var(--theme-toggle-bg);
  background-image: none;
  color: var(--theme-toggle-icon);
  box-shadow: var(--theme-toggle-shadow);
  backdrop-filter: blur(18px);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--theme-toggle-hover-shadow);
}

.theme-toggle:focus-visible {
  outline: 3px solid rgba(109, 185, 239, 0.45);
  outline-offset: 3px;
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.theme-toggle-icon svg {
  width: 24px;
  height: 24px;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  background-color: var(--surface);
  border-radius: 10px;
  box-shadow: 0 10px 64px 0 var(--shadow-color);
  padding: 60px;
  text-align: center;
  width: 480px;
  margin-bottom: 90px;
  border: 1px solid var(--border-color);
}

h1 {
  color: var(--text-primary);
  margin-bottom: 30px;
  font-size: 36px;
}

.flash-error {
  color: red;
}

.file-upload-wrapper {
  position: relative;
  margin: 20px 0;
}

input[type="file"] {
  width: 100%;
  height: 45px;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  cursor: pointer;
}

label.file-label {
  background-color: #4caf50;
  color: white;
  padding: 12px 30px;
  text-align: center;
  display: block;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}

label.file-label:hover {
  background-color: #4e9f6c;
}

#file-chosen {
  display: block;
  margin-top: 10px;
  text-align: center;
  color: var(--text-primary);
  font-size: 1em;
  margin-bottom: 20px;
}

.loader {
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
  display: none;
}

.processing-text {
  text-align: center;
  color: var(--text-primary);
  margin-top: 10px;
  font-size: 16px;
  animation: pulse 2s ease-in-out infinite;
}

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

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0% {
    opacity: 0.6;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0.6;
  }
}

button,
.submit-button,
#downloadLink {
  background-color: #008cba;
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 20px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(to right, #6db9ef, #7ce08a);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

button:hover,
.submit-button:hover,
#downloadLink:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px 0 rgba(124, 224, 138, 0.5);
}

.error-message {
  color: var(--error-text);
  margin-top: 20px;
  padding: 15px;
  border-radius: 4px;
  background-color: var(--error-background);
  border: 1px solid var(--error-border);
  text-align: left;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  max-height: 300px;
  overflow-y: auto;
}

.success-message {
  color: var(--success-text);
  margin-top: 20px;
  padding: 10px;
  border-radius: 4px;
  background-color: var(--success-background);
  border: 1px solid var(--success-border);
  text-align: center;
  animation: fadeIn 0.3s ease-in;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.submit-button,
.download-button {
  width: auto;
  padding: 12px 30px;
  margin: 20px 0;
}

.footer-container {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 10;
}

.footer-toggle {
  text-align: center;
  cursor: pointer;
  background-color: var(--page-background);
  padding: 5px 0;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  border-top: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  width: 50px;
  margin: 0 auto;
  position: relative;
  top: 1px;
}

.footer-arrow {
  color: var(--text-primary);
  font-size: 12px;
  display: block;
  transition: transform 0.3s ease;
  transform: rotate(180deg);
}

.footer-toggle.collapsed .footer-arrow {
  transform: rotate(180deg);
}

.footer-toggle:not(.collapsed) .footer-arrow {
  transform: rotate(0deg);
}

.footer-message {
  text-align: center;
  background-color: var(--page-background);
  color: var(--text-primary);
  padding: 15px;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
  font-size: 1.1em;
  border-top: 1px solid var(--border-color);
  max-height: 300px;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.footer-message.collapsed {
  max-height: 0;
  padding: 0;
  border-top: none;
}

.footer-message p {
  margin: 0;
  line-height: 2.5;
}

#helpButtons {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 800px;
  margin: 20px 0;
}

.button-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 10px 0;
}

#helpButtons button {
  flex: 1;
  margin: 0 10px;
  padding: 12px;
  font-size: 16px;
}

.modal {
  display: none !important;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 20px;
  background-color: var(--modal-overlay);
}

.modal.hidden {
  display: none !important;
}

.modal:not(.hidden) {
  display: block !important;
}

.modal-content {
  background-color: var(--surface);
  margin: auto;
  padding: 20px;
  border: 1px solid var(--border-strong);
  width: 80%;
  border-radius: 10px;
  box-shadow: 0 10px 64px 0 var(--shadow-color);
  color: var(--text-primary);
}

.close {
  color: var(--text-secondary);
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
}

.step {
  border: 1px solid var(--border-strong);
  padding: 20px;
  margin-bottom: 20px;
  background-color: var(--surface-elevated);
}

.step img {
  width: 50%;
  height: auto;
}

.transcribe-buttons {
  display: flex;
  flex-direction: row;
  gap: 15px;
  justify-content: center;
  margin: 20px 0;
}

.transcribe-note {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 10px 0 20px 0;
  text-align: center;
  font-style: italic;
}

.submit-button {
  padding: 10px 20px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.submit-button:hover {
  background-color: #45a049;
}

.submit-button:disabled {
  background-color: #c5ced8;
  background-image: none;
  color: #4f5f6f;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.hidden {
  display: none;
}

.download-link {
  background-color: #008cba;
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 20px;
  text-decoration: none;
  display: inline-flex;
  background-image: linear-gradient(to right, #6db9ef, #7ce08a);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.download-link.hidden {
  display: none !important;
}

.download-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px 0 rgba(124, 224, 138, 0.5);
}

.log-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--log-modal-overlay);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.log-modal.hidden {
  display: none;
}

.log-modal-content {
  background-color: var(--page-background);
  border-radius: 10px;
  width: 90%;
  max-width: 1000px;
  height: 80%;
  max-height: 600px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
}

.log-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--surface);
  border-radius: 10px 10px 0 0;
}

.log-modal-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 18px;
}

.log-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

#logLevelFilter {
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
  background-color: var(--input-background);
  color: var(--text-primary);
  font-size: 14px;
}

.refresh-btn {
  background: #4caf50;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
}

.refresh-btn:hover {
  background-color: #45a049;
}

.realtime-btn {
  background: #f44336;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
  margin-right: 5px;
}

.realtime-btn:hover {
  background-color: #d32f2f;
}

.realtime-btn.active {
  background: #4caf50;
}

.realtime-btn.active:hover {
  background-color: #45a049;
}

.log-close {
  color: var(--text-secondary);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

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

.log-container {
  flex: 1;
  overflow-y: auto;
  padding: 15px 20px;
  font-family: "Courier New", monospace;
  font-size: 12px;
  line-height: 1.4;
}

.log-loading {
  text-align: center;
  color: var(--text-subtle);
  padding: 40px;
}

.log-entry {
  margin-bottom: 8px;
  padding: 8px 12px;
  border-radius: 4px;
  border-left: 4px solid;
  background-color: var(--log-entry-background);
  word-wrap: break-word;
}

.log-entry.error {
  border-left-color: #f44336;
  background-color: rgba(244, 67, 54, 0.1);
}

.log-entry.warning {
  border-left-color: #ff9800;
  background-color: rgba(255, 152, 0, 0.1);
}

.log-entry.info {
  border-left-color: #2196f3;
  background-color: rgba(33, 150, 243, 0.1);
}

.log-entry.debug {
  border-left-color: #9c27b0;
  background-color: rgba(156, 39, 176, 0.1);
}

.log-entry.critical {
  border-left-color: #e91e63;
  background-color: rgba(233, 30, 99, 0.1);
}

.log-timestamp {
  color: var(--text-subtle);
  font-size: 11px;
  margin-right: 10px;
}

.log-level {
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  margin-right: 8px;
}

.log-module {
  color: #4caf50;
  margin-right: 8px;
}

.log-message {
  color: var(--text-primary);
}

.log-exception {
  margin-top: 5px;
  padding: 8px;
  background-color: rgba(244, 67, 54, 0.1);
  border-left: 2px solid #f44336;
  color: var(--log-exception-color);
  white-space: pre-wrap;
  font-size: 11px;
}

@media (max-width: 640px) {
  .theme-toggle {
    top: 12px;
    right: 12px;
    width: 52px;
    height: 52px;
  }

  .container {
    width: min(100%, 480px);
    padding: 56px 20px 32px;
    margin-bottom: 120px;
  }

  .button-row,
  .transcribe-buttons {
    flex-direction: column;
  }

  #helpButtons button,
  .submit-button,
  .download-link {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .modal-content {
    width: calc(100% - 40px);
  }

  .step img {
    width: 100%;
  }

  .log-modal-content {
    width: calc(100% - 20px);
    height: calc(100% - 40px);
  }
}