:root {
  /* Set standard colors used starting lightest at 1 to darker */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-blue-1: #0071e3;
  --color-blue-2: #005ab5;
  --color-blue-3: #004085;
  --color-cyan-1: #1fb2d3;
  --color-cyan-2: #1787a0;
  --color-red-1: #c44438;
  --color-red-2: #913128;
  --color-green-1: #529a4a;
  --color-green-2: #3f7539;
  --color-orange-1: #d76f24;
  --color-orange-2: #ad5a1e;
  --color-gray-1: #fafafa;
  --color-gray-2: #ebebeb;
  --color-gray-3: #bebebe;
  --color-gray-4: #999999;
  --color-gray-5: #666666;
  --color-gray-6: #4e4e4e;
  --color-gray-7: #303030;
  --color-gray-8: #1d1d1d;
  /* Base HTML */
  --bg-color: var(--color-white);
  --font-color: var(--color-gray-8);
  --font-color-footer: var(--color-gray-5);
  --font-family: "Roboto", sans-serif;
  --base-font-size: 1em;
  --line-height: 1.4em;
  /* Branding */
  --branding-font-color: var(--color-gray-8);
  --branding-span-font-color: var(--color-gray-5);
  --branding-span-bg-color: None;
  --branding-font-size: 2.2em;
  --branding-letter-spacing: -0.025em;
  /* Link settings */
  --link-font-color: var(--color-blue-2);
  --link-hover-color: var(--color-gray-6);
  --link-active-color: var(--color-blue-3);
  /* Hero text settings */
  --hero-font-size: 1.4em;
  --hero-line-height: 1.4em;
  --hero-letter-spacing: 0.05em;
  /* Button settings */
  --button-padding: 18px 24px;
  --button-border-radius: 4px;
  --button-bg-color: var(--color-blue-1);
  --button-hover-bg-color: var(--color-blue-2);
  --button-active-bg-color: var(--color-blue-3);
  --button-font-color: var(--color-gray-1);
  --button-disabled-font-color: var(--color-gray-6);
  --button-disabled-bg-color: var(--color-gray-4);
  /* File list */
  --font-color-filelist: var(--color-gray-5);
  --bg-color-filelist: var(--color-gray-2);
  /* Drop area */
  --border-color-drop-area: var(--color-gray-3);
  --font-color-drop-area: var(--color-gray-3);
  /* Form settings */
  --form-input-font-color: var(--color-gray-6);
  --form-input-border: None;
  --form-textarea-border: 1px solid var(--color-gray-3);
  --form-input-bg-color: var(--color-gray-2);
  --form-placeholder-color: var(--color-gray-4);
}

[data-theme="dark"] {
    /* Base HTML */
    --bg-color: var(--color-gray-8);
    --font-color: var(--color-gray-4);
    --font-family: "Roboto", sans-serif;
  /* Branding */
  --branding-font-color: var(--color-gray-2);
  --branding-span-font-color: var(--color-gray-4);
    /* File list */
    --font-color-filelist: var(--color-gray-3);
    --bg-color-filelist: var(--color-gray-7);
  /* Drop area */
  --border-color-drop-area: var(--color-gray-5);
  --font-color-drop-area: var(--color-gray-5);
    /* Form settings */
    --form-input-font-color: var(--color-gray-4);
    --form-input-border: None;
    --form-textarea-border: 1px solid var(--color-gray-3);
    --form-input-bg-color: var(--color-gray-7);
    --form-placeholder-color: var(--color-gray-4);
}

body {
  font-family: var(--font-family);
  margin: 0;
  padding: 15px;
  color: var(--font-color);
  background-color: var(--bg-color);
  font-size: var(--base-font-size);
  line-height: var(--line-height);
}

header {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  justify-content: space-between;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

main {
  color: var(--font-color-main);
  font-size: var(--font-size-main);  
}

footer {
  color: var(--font-color-footer);
  font-size: var(--font-size-footer);
}

#theme-switcher {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-right: 10px;
  cursor: pointer;
  margin: 0;
}

#sun-icon,
#moon-icon {
  display: none;
  width: 24px;
  height: 24px;
  margin: 8px;
}

.branding {
  display: flex;
  align-items: center; /* Aligns items vertically centered */
  padding: 20px 10px;
  font-size: var(--branding-font-size);
  letter-spacing: var(--branding-letter-spacing);
  color: var(--branding-font-color);
  border-radius: 5px;
  font-weight: bold;
}

.branding img {
  margin-right: 10px; /* Adjust the spacing between the icon and the text */
}

.branding span {
  color: var(--branding-span-font-color);
  background-color: var(--branding-span-bg-color);
}

.branding a,
.branding a:link,
.branding a:active,
.branding a:visited,
.branding a:hover,
.branding span a,
.branding span a:link,
.branding span a:active,
.branding span a:visited,
.branding span a:hover {
  color: var(--branding-font-color);
  text-decoration: none;
}

.hero {
  text-align: center;
  font-size: var(--hero-font-size);
  letter-spacing: var(--hero-letter-spacing);
  line-height: var(--hero-line-height);
  margin-bottom: 15px;
  margin-top: 5px;
}

.hero p {
  margin: 0 auto;
}

.wrapper {
  margin: 0 auto;
  max-width: 960px;
}

h1 {
  font-size: 2em;
  line-height: 1.2em;
}

p {
  margin: 10px 5px;
}

a,
a:link,
a:visited {
  color: var(--link-font-color);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover-color);
}

a:active {
  color: var(--link-active-color);
}

.bold {
  font-weight: 600;
}

.hidden {
  display: none;
}

.align-center {
  text-align: center;
}

.hidden {
  display: none;
}

/* Button styling */

.button,
button,
button[type="submit"] {
  margin: 8px 4px 8px 0;
  font-weight: 600;
  text-align: center;
  display: inline-block;
  background-color: var(--button-bg-color);
  color: var(--button-font-color);
  padding: var(--button-padding);
  border: none;
  border-radius: var(--button-border-radius);
  cursor: pointer;
  font-size: 1em;
}

/* Media query for small screens */
@media (max-width: 768px) { 
  .button,
  button,
  button[type="submit"] {
    display: block; 
    width: 100%; 
    margin: 4px 0; 
  }
}

.button:hover,
button:hover,
#file-upload-label:hover {
  background-color: var(--button-hover-bg-color);
}

.button:active,
button:active {
  background-color: var(--button-active-bg-color);
  color: var(--button-font-color);
  box-shadow: inset 0 4px 6px rgba(0, 0, 0, 0.125);
}

.button[disabled],
button[disabled],
button[disabled]:hover {
  background-color: var(--button-disabled-bg-color);
  color: var(--button-disabled-font-color);
  opacity: 0.65;
  cursor: not-allowed;
}

.button-outline,
.button-outline:hover,
.button-outline:hover {
  background: none;
  color: var(--color-blue-1);
  border: 2px solid var(--color-blue-1);
  padding: 12px 20px;
}

/* Flash message banner */

.flash-banner-container {
  color: var(--color-white);
  padding: 10px 0;
  margin: 8px 4px 8px 0;
  font-weight: 600;
  text-align: center;
  padding: var(--button-padding);
  display: none;
  border-radius: 4px;
}

.flash-banner-success {
  color: var(--color-white);
  background-color: var(--color-green-1);
}

.flash-banner-danger {
  color: var(--color-white);
  background-color: var(--color-red-1);
}

.flash-banner-warning {
  color: var(--color-white);
  background-color: var(--color-orange-1);
}

.flash-banner-info {
  color: var(--color-white);
  background-color: var(--color-cyan-1);
}



/* Progress bar */

#progress-container {
  display: none;
  margin: 20px 0 10px 0;
}

#progress-bar {
  width: 0;
  height: 20px;
  background-color: var(--color-blue-1);
  transition: width 0.3s;
}


.small {
  font-size: 0.8em;
  line-height: 1.3em;
}

/* Checkbox toggles */

.toggle-description {
  color: var(--color-gray-5);
  font-size: 0.8em;
  line-height: 1.2em;
}

.toggle-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin: 10px 0;
}

.toggle-item {
  display: flex;
  align-items: center;
  margin: 10px 15px 10px 0;
}

.toggle-item label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-left: 10px; 
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
  margin-right: 10px; 
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray-3);
  transition: 0.4s;
  border-radius: 20px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: #fafafa;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-blue-1);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--color-blue-2);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.slider.round {
  border-radius: 20px;
}

/* Custom spinner */

.spinner {
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--color-blue-1);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
  display: none;
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

li[draggable="true"] {
  cursor: move;
}

.drag-over {
  border: none;
}

/* Form elements styling */

form {
  margin: 0 auto;
  max-width: 720px;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  color: var(--form-input-font-color);
  display: block;
  background-color: var(--form-input-bg-color);
  border: var(--form-input-border);
  border-radius: 3px;
  padding: 15px 16px;
}

input[type="file"] {
  display: none;
}

textarea {
  margin: 10px 0;
  resize: none;
}

textarea:focus {
  outline: none;
}

select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  color: var(--form-input-font-color);
  width: 100%;
  padding: 0.5em;
  background-color: var(--form-input-bg-color);
  border: var(--form-input-border);
  border-radius: 3px;
  padding: 12px 16px;
}

select::-ms-expand {
  display: none;
}


/* App specific custom styles */

#file-input {
  display: none;
}

#drop-area {
  margin: 8px 4px 8px 0;
  border: 2px dashed var(--border-color-drop-area);
  border-radius: 3px;
  padding: 15px;
  text-align: center;
  margin-bottom: 30px;
  color: var(--font-color-drop-area);
  min-height: 150px;
}

#drop-area.drag {
  border-color: var(--color-green-1);
}

#file-list {
  margin: 0;
  display: flex;
  justify-content: center;
}

#selected-files-list {
  margin: 0;
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

#selected-files-list li {
  background-color: var(--bg-color-filelist);
  color: var(--font-color-filelist);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 10px;
  word-break: break-word;
}

#selected-files-list li span {
  font-weight: bold;
  margin-right: auto;
  padding-right: 5px;
}

#file-upload-label {
  margin: 8px 4px 8px 0;
  font-weight: 600;
  text-align: center;
  display: block;
  background-color: var(--color-blue-1);
  color: var(--color-gray-1);
  padding: var(--button-padding);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#file-link {
  font-weight: bold;
  margin: 0 auto;
  text-align: center;
  display: inline;
}

.file-link {
  background: none;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  padding: 10px;
  word-break: break-word;
}

.file-link span {
  margin-right: auto;
  padding-right: 5px;
}

/* Flash on file add */

@keyframes flash-success {
  0%, 100% {
    background: none;
  }
  50% {
    background-color: var(--color-green-1);
    color: #ffffff;
  }
}

.flash-success {
  animation: flash-success 1s ease;
}

.watermark-description {
  color: var(--color-gray-5);
  font-size: 0.8em;
  line-height: 1.2em;
}

.watermark-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin: 10px 0;
}

.watermark-item {
  display: flex;
  align-items: center;
  margin: 10px 15px 10px 10px;
}

.watermark-item label {
  margin-right: 10px;
}