/* ==========================================================================
   Summary

   1 = Basic Style
   2 = Copyright
   3 = Options
   4 = Upload
   5 = Terms of service
   6 = Install
   7 = Admin
   8 = Download page

   ========================================================================== */

/* ==========================================================================
   Font & Color Variables
   ========================================================================== */
:root {
  --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --heading-font: "Nunito Sans", sans-serif;
  --nav-font: "Raleway", sans-serif;
  
  --background-color: #031119;
  --default-color: rgba(255, 255, 255, 0.8);
  --heading-color: #e0e9f2;
  --accent-color: #fd7e14;
  --surface-color: #1b262c;
  --contrast-color: #ffffff;
  
  --nav-color: rgba(255, 255, 255, 0.8);
  --nav-hover-color: #fd7e14;
  --nav-mobile-background-color: #29343a;
  --nav-dropdown-background-color: #29343a;
  --nav-dropdown-color: rgba(255, 255, 255, 0.8);
  --nav-dropdown-hover-color: #fd7e14;
}

/* ==========================================================================
   1 = Basic Style
   ========================================================================== */

body {
  color: var(--default-color);
  background: var(--background-color);
  font-family: var(--default-font);
  margin: 0;
  line-height: 1.5;
  scroll-behavior: smooth;
}

#content {
  padding: 2em;
  max-width: 1200px;
  margin: 0 auto;
}

h1 a {
  display: block;
  background: url(logo-jirafeau.svg) no-repeat;
  background-size: 100% 100%;
  text-indent: -9999px;
  width: 194px;
  height: 185px;
  margin: 1em auto;
  position: relative;
  left: 0.4em;
  transition: all 0.3s ease;
}

h1 a:hover {
  transform: translateY(-5px);
}

h2 {
  text-align: center;
  color: var(--heading-color);
  font-family: var(--heading-font);
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 30px;
  position: relative;
}

h2::after {
  content: "";
  width: 120px;
  height: 1px;
  display: inline-block;
  background: var(--accent-color);
  margin: 4px 10px;
}

fieldset {
  border: 0;
  padding: 1.5em;
  margin: 0 auto;
  border-radius: 8px;
  width: 20em;
  border: 2px solid color-mix(in srgb, var(--default-color), transparent 90%);
  min-height: 15em;
  min-width: 30em;
  position: relative;
  background-color: var(--surface-color);
  box-shadow: 0px 2px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

fieldset:hover {
  border-color: var(--accent-color);
  box-shadow: 0px 5px 25px rgba(0, 0, 0, 0.15);
}

legend {
  padding: 0.5em 1em;
  background: var(--surface-color);
  color: var(--heading-color);
  font-size: 1.2em;
  font-family: var(--heading-font);
  font-weight: 600;
  display: block;
  min-width: 8em;
  text-align: center;
  border-radius: 3px;
  border: 2px solid var(--accent-color);
}

table a {
  color: var(--accent-color);
  transition: 0.3s;
}

table a:hover,
table a:focus {
  text-decoration: none;
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

input[type="submit"] {
  background: var(--accent-color);
  border: 0;
  padding: 0.4em 2.2em;
  font-size: 1.1em;
  color: var(--contrast-color);
  border-radius: 3px;
  cursor: pointer;
  margin: 10px;
  font-family: var(--default-font);
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
}

input[type="submit"]:hover,
input[type="submit"]:focus {
  background: color-mix(in srgb, var(--accent-color), transparent 15%);
  color: var(--contrast-color);
  transform: translateY(-2px);
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
}

select,
input[type="text"],
input[type="password"] {
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 70%);
  padding: 10px 15px;
  font-size: 1em;
  font-family: var(--default-font);
  background-color: var(--surface-color);
  color: var(--default-color);
  border-radius: 3px;
  transition: all 0.3s ease;
}

select:focus,
input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-color), transparent 70%);
}

select { 
  width: 100%; 
  cursor: pointer;
}

.inner {
  margin-top: 3em;
  background-color: var(--surface-color);
  padding: 2em;
  border-radius: 8px;
  box-shadow: 0px 2px 15px rgba(0, 0, 0, 0.1);
}

#upload fieldset {
  background: url(upload.svg) no-repeat center;
  border: 7px dashed color-mix(in srgb, var(--default-color), transparent 70%);
  transition: all 0.5s ease;
}

#upload fieldset:hover {
  border-color: var(--accent-color);
  background-color: color-mix(in srgb, var(--accent-color), transparent 95%);
}

#upload > form {
  text-align: center;
}

#upload p {
  margin: 0;
  color: var(--default-color);
  font-family: var(--default-font);
}

#file_select {
  position: relative;
  width: 100%;
  height: 16em;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
}

#upload.file-selected #file_select {
  opacity: 1;
  height: 2em;
}

#upload.file-selected fieldset {
  background-image: none;
  border-color: var(--accent-color);
}

/* ==========================================================================
   2 = Copyright
   ========================================================================== */

#copyright {
  text-align: center;
  font-size: 0.8em;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
  margin: 3em auto;
  padding-top: 25px;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

#copyright a {
  color: var(--accent-color);
  text-decoration: none;
  transition: 0.3s;
}

#copyright a:hover,
#copyright a:focus {
  text-decoration: underline;
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

/* ==========================================================================
   3 = Options
   ========================================================================== */

#options {
  color: var(--default-color);
  position: relative;
  z-index: 10;
  width: 100%;
  height: 90%;
}

#options tr { 
  height: 2.7em; 
  transition: background-color 0.3s ease;
}

#options tr:hover {
  background-color: color-mix(in srgb, var(--surface-color), transparent 20%);
}

#option_table tr:first-child {
  width: 100%;
  height: 100%;
}

#option_table td:first-child {
  font-weight: 600;
  color: var(--heading-color);
  padding-right: 20px;
}

#options input[type="submit"] {
  display: block;
  position: relative;
  margin: 1em auto;
  min-width: 150px;
}

/* ==========================================================================
   4 = Upload
   ========================================================================== */

#upload_finished,
#uploading,
.message,
.info,
.error {
  text-align: center;
  color: var(--default-color);
  padding: 1em 2em;
  border-radius: 8px;
  margin: 1em auto;
  max-width: 600px;
  font-family: var(--default-font);
}

#upload_finished {
  background-color: color-mix(in srgb, var(--accent-color), transparent 95%);
  border-left: 4px solid var(--accent-color);
}

#upload_finished > p:nth-child(1) {
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1.2em;
}

#upload_finished div p:nth-child(1) {
  font-weight: bold;
  color: var(--heading-color);
}

#upload_finished a {
  text-decoration: none;
  color: var(--accent-color);
  transition: 0.3s;
}

#uploading {
  background-color: color-mix(in srgb, #0D9CB2, transparent 90%);
  border-left: 4px solid #0D9CB2;
}

#uploading a {
  font-weight: bold;
  text-decoration: none;
  color: var(--accent-color);
  transition: 0.3s;
}

#uploaded_percentage {
  font-size: 2em;
  font-weight: bold;
  color: var(--accent-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#upload_finished a:hover,
#uploading a:hover,
#upload_finished a:focus,
#uploading a:focus {
  text-decoration: underline;
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

.message {
  background-color: color-mix(in srgb, #0D9CB2, transparent 90%);
  border-left: 4px solid #0D9CB2;
  color: #0D9CB2;
}

.error {
  background-color: color-mix(in srgb, #d55548, transparent 90%);
  border-left: 4px solid #d55548;
  color: #d55548;
  font-style: italic;
  font-weight: bold;
}

.info {
  background-color: color-mix(in srgb, var(--surface-color), transparent 20%);
  border-left: 4px solid var(--surface-color);
  color: var(--default-color);
}

#upload_link_email {
  margin-left: 10px;
  padding: 5px 10px;
  background-color: var(--surface-color);
  border-radius: 3px;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 70%);
}

#upload_image_email {
  padding-left: 40px;
  padding-bottom: 15px;
  background: url(email.png) no-repeat left center;
  background-size: 30px 30px;
}

/* ==========================================================================
   5 = Terms of service
   ========================================================================== */

textarea[readonly="readonly"] {
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 70%);
  color: var(--default-color);
  font-family: var(--default-font);
  background: var(--surface-color);
  margin: auto;
  display: block;
  width: 100%;
  max-width: 800px;
  padding: 15px;
  border-radius: 8px;
  line-height: 1.6;
  resize: vertical;
  min-height: 200px;
}

textarea[readonly="readonly"] + p,
textarea[readonly="readonly"] + p + p {
  text-align: center;
  color: var(--default-color);
  margin-top: 20px;
}

textarea[readonly="readonly"] + p a,
textarea[readonly="readonly"] + p + p a {
  font-weight: bold;
  text-decoration: none;
  color: var(--accent-color);
  transition: 0.3s;
}

textarea[readonly="readonly"] + p a:hover,
textarea[readonly="readonly"] + p + p a:hover,
textarea[readonly="readonly"] + p a:focus,
textarea[readonly="readonly"] + p + p a:focus {
  text-decoration: underline;
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

/* ==========================================================================
   6 = Install
   ========================================================================== */

#install fieldset,
#install + fieldset {
  width: auto;
  max-width: 50em;
  border: 2px solid color-mix(in srgb, var(--default-color), transparent 70%);
  background-color: var(--surface-color);
}

#install table,
#install + fieldset table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

#install td,
#install + fieldset td {
  padding: 1em;
  border-bottom: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
  transition: background-color 0.3s ease;
}

#install td:empty {
  width: 13.1em;
}

#install table form:nth-child(odd),
#install + fieldset tr:nth-child(odd) {
  background-color: color-mix(in srgb, var(--surface-color), transparent 20%);
}

#install fieldset > form {
  margin-top: 2em;
  text-align: center;
}

#install form {
  display: table;
  width: 100%;
}

#install td:last-child { 
  text-align: left; 
}

#install .info { 
  width: 19em; 
}

#install input[type="submit"] {
  min-width: 10.5em;
}

#install + fieldset table {
  font-size: 0.9em;
}

#install + fieldset td:first-child input[type="submit"] {
  background: none;
  padding: 0;
  color: var(--accent-color);
  font-weight: bold;
  border-bottom: 0;
  box-shadow: none;
}

#install + fieldset td:first-child input[type="submit"]:hover,
#install + fieldset td:first-child input[type="submit"]:focus {
  text-decoration: underline;
  background: none;
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   7 = Admin
   ========================================================================== */

#admin fieldset,
#admin + fieldset {
  width: auto;
  max-width: 60em;
  border: 2px solid color-mix(in srgb, var(--default-color), transparent 70%);
  background-color: var(--surface-color);
}

#admin table,
#admin + fieldset table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

#admin td,
#admin + fieldset td {
  padding: 1em;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
  transition: background-color 0.3s ease;
}

#admin td:empty {
  width: 13.1em;
}

#admin table form:nth-child(odd),
#admin + fieldset tr:nth-child(odd) {
  background-color: color-mix(in srgb, var(--surface-color), transparent 20%);
}

#admin fieldset > form {
  margin-top: 2em;
  text-align: center;
}

#admin form {
  display: table;
  width: 100%;
}

#admin td:last-child { 
  text-align: left; 
}

#admin .info { 
  width: 19em; 
}

#admin input[type="submit"] {
  min-width: 10.5em;
}

#admin + fieldset table {
  font-size: 0.9em;
}

#admin + fieldset td:first-child input[type="submit"] {
  background: none;
  padding: 0;
  color: var(--accent-color);
  font-weight: bold;
  border-bottom: 0;
  box-shadow: none;
}

#admin + fieldset td:first-child input[type="submit"]:hover,
#admin + fieldset td:first-child input[type="submit"]:focus {
  text-decoration: underline;
  background: none;
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   8 = Download page
   ========================================================================== */

#self_destruct {
  font-weight: bold;
  color: #ff6b6b;
  background-image: url('pixel_bomb.png');
  background-size: 40px 40px;
  background-repeat: no-repeat;
  padding-left: 50px;
  padding-top: 10px;
  padding-bottom: 10px;
  background-color: color-mix(in srgb, #ff6b6b, transparent 95%);
  border-left: 4px solid #ff6b6b;
  border-radius: 4px;
  margin: 1em 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, #ff6b6b, transparent 50%);
  }
  70% {
    box-shadow: 0 0 0 10px color-mix(in srgb, #ff6b6b, transparent 90%);
  }
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, #ff6b6b, transparent 90%);
  }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  #content {
    padding: 1em;
  }
  
  fieldset {
    min-width: auto;
    width: 90%;
    margin: 0 auto;
  }
  
  h2 {
    font-size: 22px;
  }
  
  .inner {
    padding: 1em;
  }
  
  #upload fieldset {
    padding: 1em;
  }
  
  #file_select {
    height: 12em;
  }
}

@media (max-width: 480px) {
  input[type="submit"] {
    padding: 0.4em 1em;
    font-size: 1em;
    width: 100%;
    margin: 10px 0;
  }
  
  legend {
    font-size: 1em;
    min-width: auto;
  }
  
  #upload_finished,
  #uploading,
  .message,
  .info,
  .error {
    padding: 1em;
    margin: 1em 0.5em;
  }
}