@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/segoeui.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/segoeuib.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/segoeuii.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/segoeuiz.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/segoeuil.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguili.woff2") format("woff2");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguisl.woff2") format("woff2");
  font-weight: 350;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguisli.woff2") format("woff2");
  font-weight: 350;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguisb.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguisbi.woff2") format("woff2");
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguibl.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Segoe UI";
  src: url("../fonts/seguibli.woff2") format("woff2");
  font-weight: 900;
  font-style: italic;
  font-display: swap;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

a, p, h1, h2, h3, h4, h5, h6 {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.light-theme a, .light-theme p, .light-theme h1, .light-theme h2, .light-theme h3, .light-theme h4, .light-theme h5, .light-theme h6 {
    color: #000000;
}

.dark-theme a, .dark-theme p, .dark-theme h1, .dark-theme h2, .dark-theme h3, .dark-theme h4, .dark-theme h5, .dark-theme h6 {
    color: #ffffff;
}

.light-theme .active {
    color: #FFFFFF !important;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    animation: fadeIn 1s ease forwards;
    opacity: 0;
}

body.light-theme {
    background-color: #EBEBEB;
}

body.dark-theme {
    background-color: #141414;
}

.top-navigation {
    display: flex;
    justify-content: center;
    margin: 20px auto 0;
    width: fit-content;
    padding: 10px;
    border-radius: 10px;
    animation: slideDown 0.7s ease forwards;
    opacity: 0;
}

.light-theme .top-navigation {
    background-color: #DDD;
}

.dark-theme .top-navigation {
    background-color: #222;
}

.top-navigation a.active {
    background: linear-gradient(-45deg, #07ABE1, #37DF88, #37DF88, #07ABE1);
    background-size: 400% 400%;
    background-position: 0% 50%;
    border-radius: 4px;
    transition: background-position 3s ease, transform 0.3s;
}

.light-theme .top-navigation a.active {
    color: #000000;
}

.dark-theme .top-navigation a.active {
    color: #FFFFFF;
}

.top-navigation a.active:hover {
    background-position: 100% 50%;
    transform: scale(1.05);
}

.top-navigation a {
    font-weight: 500;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    border-radius: 4px;
    transition: background-color 0.3s, transform 0.3s;
}

.light-theme .top-navigation a {
    color: #0D0D0D;
}

.dark-theme .top-navigation a {
    color: #f2f2f2;
}

.top-navigation a:hover {
    transform: scale(1.1);
}

.light-theme .top-navigation a:hover {
    background-color: #D7D7D7;
}

.dark-theme .top-navigation a:hover {
    background-color: #282828;
}

.break {
    padding-bottom: 150px;
}

.site-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.footer {
    width: 100%;
    padding: 10px 20px;
    text-align: center;
    z-index: 1000;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
    margin-top: auto;
}

.light-theme .footer {
    background-color: #EEE;
    color: #000000;
}

.dark-theme .footer {
    background-color: #111;
    color: #FFFFFF;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin: 20px;
    padding: 10px 20px;
    border-radius: 10px;
    animation: fadeInUp 0.9s ease forwards;
    margin-left: 1em;
    margin-right: 1em;
    opacity: 0;
}

.light-theme .toolbar {
    background-color: #DDD;
    color: #000000;
}

.dark-theme .toolbar {
    background-color: #222;
    color: #FFFFFF;
}

.toolbar a,
.toolbar button,
.upload-button,
.toolbar-button {
    color: #FFFFFF;
    font-family: inherit;
    background: linear-gradient(-45deg, #07ABE1, #37DF88, #37DF88, #07ABE1);
    background-size: 400% 400%;
    background-position: 0% 50%;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    margin: 0 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-position 3s ease, transform 0.3s;
    display: inline-block;
}

.toolbar a:hover,
.toolbar button:hover,
.upload-button:hover,
.toolbar-button:hover {
    background-position: 100% 50%;
    transform: scale(1.05);
}

.toolbar select,
.toolbar p {
    margin: 0 4px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    padding: 6px 10px;
    background: inherit;
    font-family: inherit;
}

.light-theme .toolbar select {
    background: #FFFFFF;
}

.light-theme .toolbar select,
.light-theme .toolbar p {
    color: #000000;
    border-color: #BBBBBB;
}

.dark-theme .toolbar select,
.dark-theme .toolbar p {
    color: #FFFFFF;
}

.convert-all, .download-zip, .clear, .upload-icon, .convert-text {
    color: #FFFFFF !important;
}

.toolbar p {
    background: none;
    border: none;
    padding: 0;
}

.upload-button {
    display: block;
    margin: 20px auto 0;
}

.upload-icon {
    margin-top: 20px;
    scale: 1.7;
}

.file-preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1rem;
    margin: 1rem;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
}

.file-card {
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 0.5rem;
    background: #222;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.light-theme .file-card {
    background: #DDD;
}

.dark-theme .file-card {
    background: #222;
}

.file-card img,
.file-card .file-icon {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 2px;
}

.file-card .top-right {
    position: absolute;
    top: 10px;
    right: 10px;
}

.file-card .bottom-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
}

.file-card button {
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.toolbar-select {
    margin: 4px;
    font-size: 16px;
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    position: relative;
    z-index: 200;
}

.light-theme .toolbar-select {
    background: #DDD;
    color: #000;
    border: 1px solid #BBB;
}

.dark-theme .toolbar-select {
    background: #222;
    color: #FFF;
    border: 1px solid #444;
}

.toolbar-button {
    color: #ffffff;
    background: linear-gradient(-45deg, #07ABE1, #37DF88, #37DF88, #07ABE1);
    background-size: 400% 400%;
    background-position: 0% 50%;
    border: none;
    border-radius: 2px;
    padding: 10px 20px;
    margin: 0 6px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-position 3s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    outline: 2px solid #ffffff;
}

.toolbar-button:hover {
    background-position: 100% 50%;
    transform: scale(1.05);
}

.file-card .toolbar-button {
    padding: 6px 12px;
    font-size: 14px;
    margin-top: 0.5rem;
}

.remove-button {
    position: relative;
    z-index: 200;
}

.remove-button:hover {
    color: #FF5555;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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