:root {
    --primary-color: #fcba4d;
    --primary-hover: #ff9d35;
    --success-color: #b55e02;
    --button-dark: #f47b20;
    --button-light: color(srgb 0.59 0.3725 0 / 0.71);
    --button-disabled: color(srgb 1 0.8925 0.725);
    --error-color: #e03e30;
    --warning-color: #fb7005;
    --info-color: #fbba4b;
    --apple-gradient-start: rgba(208, 223, 255, 1);
    --apple-gradient-mid: rgba(185, 231, 255, 1);
    --apple-gradient-end: rgba(171, 228, 255, 1);
    --text-color: #202124;
    --secondary-text: #5f6368;
    --border-color: #dadce0;
    --background-light: rgba(249, 182, 71, 0.77);
    --background-dark: rgba(255, 157, 54, 0.82);
    --background-white: rgba(255, 255, 255, 0.93);
    --shadow-small: 0 1px 3px rgba(254, 189, 80, 1), 0 1px 2px rgba(255, 191, 83, 1);
    --shadow-medium: 0 0 20px -10px rgba(250, 185, 74, 1), 0 0 30px -10px rgba(252, 186, 77, 1);
    --dark-bg: #121212;
    --dark-card: #1e1e1e;
    --dark-text: #f5f5f5;
    --dark-secondary-text: #aaaaaa;
    --dark-border: #333333;
    --dark-primary: #ffb74d;
    --dark-button: #e65100;
    --dark-button-hover: #ff6f00;
    --dark-shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.7);
}

* {
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
    color: inherit;
}

body {
    font-family: sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    padding: 20px 20px 60px;
    justify-content: center;
    display: flex;
}

.app-container {
    max-width: 800px;
    width: 95%;
    margin: 0px auto;
}

header {
    text-align: center;
    margin: 3em 0px 2em;
    position: relative;
}

.logo {
    margin: 2em auto;
    width: 90%;
    max-width: 10em;
    overflow: hidden;

}

.logo img {
    width: 75%;
    display: inline-block;
    float: left;
}

.card {
    background: var(--background-light);
    border-radius: 10px;
    box-shadow: var(--shadow-small);
    padding: 1em 2em 2em;
    margin-bottom: 1.5em;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: var(--shadow-medium);
}

.support-block{
    text-align: center;
    margin: 1em 0;

}
.support-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .25em 2em;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
    font-size: .85em;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease;
    margin: 0 auto;
    height: 2.75em;

}
.support-block .fa-heart {
    color: #f42774;
    margin-right: 1em;
    line-height: 1em;

}
.support-block .fa-heart svg{
    width: 2em;
    height: 2em;

}
.support-button:hover {
    box-shadow: inset 0 -20px 25px -5px rgb(244 39 116 / 18%);

}

.conversion-selector {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 2em;
    background: rgba(255, 255, 255, 0.2);
    padding: 1em;
    border-radius: 8px;
}

.selector-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.selector-group label {
    font-size: 0.9em;
    color: var(--secondary-text);
    margin-bottom: 0.5em;
    font-weight: bold;
}

.selector-group select {
    padding: 0.75em 1.5em;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    font-size: 1em;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75em center;
    background-size: 1.2em auto;
    min-width: 250px;
}

.exchange-icon {
    color: var(--primary-color);
    padding: 0px;
    text-align: center;
}

#dropZone {
    border: 3px dashed var(--button-dark);
    border-radius: 10px;
    padding: 4em 2em;
    text-align: center;
    margin: 1em 1em 2em;
    cursor: pointer;
    transition: 0.3s;
    background-color: var(--background-light);
}

#dropZone.active {
    border-color: var(--primary-color);
    background-color: rgba(66, 133, 244, 0.05);
}

#dropZone p {
    color: var(--success-color);
    font-weight: bold;
}

#dropZone .format-name {
    text-decoration: underline;
    color: var(--button-dark);
}

.upload-limit {
    color: var(--secondary-text);
    font-size: 0.9em;
    margin-top: 1em;
    font-weight: 100 !important;
}

#fileInput {
    display: none;
}

button {
    background-color: var(--button-dark);
    color: white;
    border: medium;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.2s;
}

button:hover {
    background-color: var(--button-dark);
    transform: translateY(-2px);

}

button:active {
    transform: translateY(0px);
}

button:disabled {
    background-color: color(srgb 0.975 0.975 0.975);
    cursor: not-allowed;
    transform: none;
    color: var(--secondary-text);
}

h3 {
    margin-bottom: 0.25em;
    color: var(--success-color);

}

#file-list-area {
  margin-top: 1.5em;
}

.file-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5em;
}

#fileSelectionControls button {
  background: none;
  border: 1px solid var(--button-dark);
  color: var(--button-dark);
  padding: 5px 10px;
  font-size: 0.8em;
  margin-left: 10px;
  transition: background-color 0.2s, color 0.2s;
}

#fileSelectionControls button:hover {
  background-color: var(--button-dark);
  color: white;
  transform: none; /* Override default button hover */
}

#fileList {
  list-style-type: none;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.5);
}

#fileList li {
  padding: 5px 8px;
  font-size: 0.9em;
  display: flex;
  align-items: center;
}

#fileList li input[type="checkbox"] {
  margin-right: 12px;
  accent-color: var(--button-dark);
}

button.secondary-button:hover {
    background-color: var(--success-color);

}

.button-row {
    display: flex;
    gap: 1em;
    margin-top: 1em;
    width: 100%;

}

#toggleLogsButton {
    background-color: var(--button-light);
    margin-left: auto;
}

#logsContainer {
    margin-top: 1em;

}
.logs-header{margin-bottom:.5em}
#logs {
    max-height: 150px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 12px;
    background-color: rgb(245, 245, 245);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 10px;
}

.log-entry {
    margin-bottom: 5px;
    padding: 3px 6px;
    border-radius: 2px;
}

.log-entry.info {
    color: var(--secondary-text);
}

.log-entry.success {
    color: var(--success-color);
}

.log-entry.error {
    color: var(--error-color);
}

.log-entry.warning {
    color: var(--warning-color);
}

#globalProgressContainer {
    position: fixed;
    bottom: 0px;
    left: 0px;
    right: 0px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: rgba(0, 0, 0, 0.1) 0px -2px 5px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0px 20px;
    transition: opacity 0.5s, transform 0.5s;
    opacity: 0;
    transform: translateY(100%);
    z-index: 100;
}

#globalProgressContainer.visible {
    opacity: 1;
    transform: translateY(0px);
}

#globalProgressBar {
    height: 4px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

#globalProgressBarInner {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--apple-gradient-start), var(--apple-gradient-mid), var(--apple-gradient-end));
    border-radius: 4px;
    transition: width 0.3s;
}

#globalProgressText {
    text-align: center;
    font-size: 12px;
    color: var(--secondary-text);
    margin-top: 5px;
}

.hidden {
    display: none !important;
}

.footer {
    text-align: center;
    padding: 0.5em 1em;
    position: fixed;
    bottom: 1em;
    width: fit-content;
    border-radius: 5px;
    z-index: 100;
    font-size: 0.9em;
    font-weight: 700;
    font-family: monospace;
    letter-spacing: 0.25px;
    background-color: rgba(255, 255, 255, 0.37);
    color: rgb(247, 247, 247);
    line-height: 1.25em;
    backdrop-filter: blur(5px);
}

.footer svg {
    float: left;
    margin-right: 0.75em;
}

.footer a {
    text-decoration: none;
    color: rgba(0, 0, 0, 0.8);
}

.hidden {
    display: none !important;
}

.info-box {
    background-color: rgba(0, 0, 0, 0.03);
    border-left: 4px solid var(--primary-color);
    padding: 12px 16px;
    margin: 0px auto 1.5em;
    border-radius: 0px 4px 4px 0px;
    font-size: 0.9em;
    max-width: 95%;
}

.info-box p {
    margin: 0px;
    padding: 0px;
}

.info-box strong {
    color: var(--button-dark);
}

.info-box a {
    color: var(--success-color);
    text-decoration: underline;
    font-weight: bold;
}

select option:disabled {
    color: rgb(204, 204, 204);
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

body.dark-mode .card {
    background: var(--dark-card);
    box-shadow: var(--dark-shadow);
}

body.dark-mode .info-box {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--dark-primary);
}

body.dark-mode .info-box strong {
    color: var(--dark-primary);
}

body.dark-mode .info-box a {
    color: var(--dark-primary);
}

body.dark-mode select option:disabled {
    color: rgb(85, 85, 85);
}

body.dark-mode .conversion-selector {
    background: rgba(0, 0, 0, 0.2);
}

body.dark-mode .selector-group label {
    color: var(--dark-secondary-text);
}

body.dark-mode .selector-group select {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
    color: var(--dark-text);
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffb74d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

body.dark-mode #dropZone {
    background-color: rgba(50, 50, 50, 0.2);
    border-color: var(--dark-border);
}

body.dark-mode #dropZone p {
    color: var(--dark-primary);
}

body.dark-mode #dropZone .format-name {
    color: var(--dark-primary);
}

body.dark-mode #fileSelectionControls button {
  border-color: var(--dark-primary);
  color: var(--dark-primary);
}

body.dark-mode #fileSelectionControls button:hover {
  background-color: var(--dark-primary);
  color: var(--dark-card);
}

body.dark-mode #fileList {
  background: rgba(0, 0, 0, 0.2);
  border-color: var(--dark-border);
}

body.dark-mode button:disabled {
    background-color: rgb(51, 51, 51);
    color: rgb(102, 102, 102);
}

body.dark-mode #logs {
    background-color: var(--dark-bg);
    border: 1px solid var(--dark-bg);
}

.conversion-selector {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 0.5em;
    margin-bottom: 2em;
}

.selector-wrapper {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.selector-wrapper label {
    font-size: 0.9em;
    color: var(--success-color);
    margin-bottom: 0.5em;
    font-weight: bold;
    padding-left: 0.5em;
}

.custom-select {
    position: relative;
}

.select-button {
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    padding: 10px 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1em;
    transition: background-color 0.2s;
}

.select-button:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.select-button .chevron {
    width: 20px;
    height: 20px;
    fill: var(--secondary-text);
    transition: transform 0.2s;
}

.custom-select.open .select-button .chevron {
    transform: rotate(180deg);
}

.select-dropdown {
    position: absolute;
    top: 105%;
    left: 0px;
    right: 0px;
    background-color: var(--background-white);
    border-top-width: medium;
    border-top-style: none;
    border-top-color: currentcolor;
    border-radius: 5px;
    box-shadow: var(--shadow-small);
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

.custom-select.open .select-dropdown {
    display: block;
}

.select-dropdown .option {
    padding: 12px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.select-dropdown .option:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.select-dropdown .option.disabled {
    color: rgb(170, 170, 170);
    cursor: not-allowed;
    background-color: transparent;
}

.exchange-icon svg {
    display: inline-block;
    color: var(--primary-color);
    width: 2em;
    height: 2em;
}

body.dark-mode .selector-wrapper label {
    color: var(--primary-color);
}

body.dark-mode .select-button {
    background-color: rgba(0, 0, 0, 0.2);
    border-color: var(--dark-border);
}

body.dark-mode .select-button:hover {
    background-color: rgba(0, 0, 0, 0.4);
}

body.dark-mode .select-button .chevron {
    fill: var(--dark-secondary-text);
}

body.dark-mode .select-dropdown {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

body.dark-mode .select-dropdown .option:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .select-dropdown .option.disabled {
    color: rgb(102, 102, 102);
}

.theme-toggle {
    background: none;
    cursor: pointer;
    padding: .5em 0 0 10%;
    float: right;
    color: var(--primary-color);
    width: 25%;

}

.theme-toggle:hover {
    background: none;

}

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

.theme-toggle .sun-icon, body.dark-mode .theme-toggle .moon-icon {
    display: none;
}

.theme-toggle .moon-icon, body.dark-mode .theme-toggle .sun-icon {
    display: block;
}

body.dark-mode .theme-toggle {
    color: var(--dark-primary);
}

@media (max-width: 768px) {
    .conversion-selector {
        flex-direction: column;
        align-items: stretch;
        gap: 1em;
    }

    .exchange-icon {
        transform: rotate(90deg);
        align-self: center;
        padding: 0px;
    }

    .conversion-selector {
        flex-direction: column;
        gap: 1em;
    }

    .exchange-icon {
        transform: rotate(90deg);
        line-height: 1em;
    
    }

    .selector-group select {
        min-width: 200px;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 0px;
    }

    .card {
        padding: 16px;
        border-radius: 0px;
    }

    #dropZone {
        padding: 20px 15px;
    }

    button {
        width: 100%;
    }

    .button-row {
        flex-direction: column;
    }
}