Piwigo/themes/standard_pages/skins/default.css

input[type='radio'] {
  accent-color: #ff7700;
}

.input-container:focus-within,
.input-modal:focus-within{
  border:1px solid #ff7700!important;
}

.gallery-icon-checkmark {
    border: 1px solid #777;
}

.btn-main{
  background-color:#ff7700!important;
  color:white!important;
}

.btn-secondary {
  background-color: #ECECEC!important;
  color: #3C3C3C!important;
}

.btn-main:disabled {
  background-color:#aaaaaa!important;
  color: #3C3C3C !important;
}

#separator{
  border-bottom:1px solid #D8D8D8;
}

#lang-select #other-languages span:hover{
  color:#ff7700; 
}

.profile-section .api-icon-action i:hover,
.close-modal:hover,
.profile-section .icon-clone:hover  {
  color: #ff7700;
}

.profile-section div.api-tab-line:nth-child(even) {
  background-color: #303030;
}

.profile-section #api_key_list .edit {
  border: 1px solid #ff7700 !important;
}

.profile-section .new-apikey .btn-link{
  color: #9A9A9A !important;
}

.bg-modal {
  background-color: rgba(0,0,0,0.7);
}

.slider {
  background-color: #ccc;
}

.slider:before {
  background-color: white;
}

/* Light */
#theIdentificationPage .light,
#theRegisterPage .light,
#thePasswordPage .light,
#theProfilePage .light{
  background: linear-gradient(75.69deg, #FFEACF 7.64%, #FFFAF3 77.87%);
}

.light #login-form,
.light #register-form,
.light #password-form,
.light #lang-select #other-languages,
.light .profile-section,
.light .slider:before,
.light .body-modal,
.light [data-tooltip]:hover::after {
  background-color:#ffffff;
}

#theIdentificationPage .light a,
#theRegisterPage .light a,
#thePasswordPage .light a,
#theProfilePage .light a:not(.close-modal),
.light h1,
.light .input-container input,
.light .input-modal input,
.light .input-container select,
.light .input-container textarea,
.light .secondary-links,
.light .properties label,
.light .profile-section label,
.light .properties i,
.light .profile-section i,
.light #password-form p,
.light .profile-section p,
.light #lang-select #other-languages span,
.light .btn-cancel,
.light .btn-link {
  color:#3C3C3C;
}

#theIdentificationPage .light a:hover,
#theRegisterPage .light a:hover,
#thePasswordPage .light a:hover,
#theProfilePage .light a:hover{
  color:#ff7700;
}

.light #header-options a,
.light #header-options .toggle-mode,
.light #selected-language-container{
  color:#ff7700;
}

.light .input-container,
.light .input-modal,
.light .api-list-head {
  background-color:#F0F0F0;
  border:1px solid #F0F0F0;
}

.light .input-container input:is(:-webkit-autofill, :autofill)
{
  box-shadow: 0 0 0 100px #F0F0F0 inset;
  -webkit-box-shadow: 0 0 0px 1000px #F0F0F0 inset !important;
  -webkit-text-fill-color: #3C3C3C;
  color:#3C3C3C;
}

.light #separator{
  border-bottom:1px solid #D8D8D8;
}

.light .gallery-icon-eye{
  color:#898989;
}

.light .success-message{
  background-color: #DBF6D7;
  color: #6DCE5E !important;
  border-left: 4px solid #6DCE5E;
}

.light .success-message i{
  color:#6DCE5E;
}

.light .infos-message{
  background-color: #bde5f8;
  color: #00529b !important;
  border-left: 4px solid #00529b;
}

.light input:checked + .slider {
  background-color: #FFA646;
}

.light input:focus + .slider {
  box-shadow: 0 0 1px #FFA646;
}

.light .slider {
  background-color: #CCCCCC;
}

.light .api-list-body > div:nth-child(4n+1),
.light .api-list-body > div:nth-child(4n+2) {
  background-color: #F8F8F8;
}

.light .api-tab-line p,
.light .api-icon-action i,
.light .keys p:not(.api-copy),
.light .keys i,
.light #api_key_list_expired .api-skull {
  color: #656565;
}

.light .close-modal {
  color: #ffffff;
}

.light input[type="date"] {
  color-scheme: light;
}

.light input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0);
}

.light .btn-revoked {
  background-color: #EB3223 !important;
}

/* Dark */
#theIdentificationPage .dark,
#theRegisterPage .dark,
#thePasswordPage .dark,
#theProfilePage .dark{
  background: linear-gradient(75.69deg, #1B1B1D 7.64%, #2F2F2F 77.87%);
}

.dark #login-form,
.dark #register-form,
.dark #password-form,
.dark .profile-section, 
.dark .body-modal {
  background-color:#3C3C3C;
}

#theIdentificationPage .dark a,
#theRegisterPage .dark a,
#thePasswordPage .dark a,
#theProfilePage .dark a:not(.close-modal).dark #header-options a,
.dark #header-options .toggle-mode,
.dark #selected-language-container{
  color:#FFEBD0;
}

.dark h1,
.dark .input-container input,
.dark .input-modal input,
.dark .input-container select,
.dark .input-container textarea,
.dark .secondary-links,
.dark .properties label,
.dark .profile-section label,
.dark .properties i,
.dark .profile-section i,
.dark #password-form p,
.dark .profile-section p,
.dark #lang-select #other-languages span,
.dark .btn-cancel,
.dark .btn-link {
  color:#D6D6D6;
}

#theIdentificationPage .dark a:hover,
#theRegisterPage .dark a:hover,
#thePasswordPage .dark a:hover,
#theProfilePage .dark a:hover,
.dark #lang-select #other-languages span{
  color:#ff7700;
}

.dark .input-container,
.dark .input-modal {
  background-color:#303030;
  border:1px solid #303030;
}

.dark .input-container input:is(:-webkit-autofill, :autofill)
{
  box-shadow: 0 0 0 100px #303030 inset;
  -webkit-box-shadow: 0 0 0px 1000px #303030 inset !important;
  -webkit-text-fill-color: #D6D6D6;
  color:#D6D6D6;
}

.dark #separator{
  border-bottom:1px solid #303030;
}

.dark .gallery-icon-eye{
  color:#898989;
}

.dark #lang-select #other-languages,
.dark .slider,
.dark input:checked + .slider:before {
  background-color: #3C3C3C;
}

.dark .success-message{
  background-color: #4EA590;
  color: #AAF6E4 !important;
  border-left: 4px solid #AAF6E4;
}

.dark .success-message i{
  color: #AAF6E4;
}

.dark .infos-message{
  background-color: #4f71a4;
  color: #bad6ff !important;
  border-left: 4px solid #bad6ff;
}

.dark .btn-secondary {
  background-color: #202020!important;
  color: white!important;
}

.dark input:checked + .slider {
  background-color: #FFA646;
}

.dark .slider:before {
  background-color: #777777;
}

.dark .api-list-head,
.dark [data-tooltip]:hover::after{
  background-color: #2A2A2A;
}

.dark .api-list-body > div:nth-child(4n+1),
.dark .api-list-body > div:nth-child(4n+2) {
  background-color: #333333;
}

.dark .icon-collapse {
  color: white !important;
}

.dark .close-modal {
  color: #3C3C3C;
}

.dark input[type="date"] {
  color-scheme: dark;
}

.dark input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0);
}

.dark .btn-revoked {
  background-color: #BE4949 !important;
}