/**
 * File: style.css
 * Description: Provides styles for authentication and file display pages with light and dark mode support and smooth transitions.
 * Author: Luke
 * Created: 2025-06-18
 * Updated: 2025-06-20
 * Version: 1.2.0
 */

/* Define CSS variables for light and dark modes */
:root {
    --background-color: #F9FAFB;
    --container-bg: #FFFFFF;
    --text-color: #333333;
    --primary-color: #005481;
    --primary-hover: #0077B6;
    --border-color: #E5E7EB;
    --placeholder-color: #6B7280;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --file-link-bg: #333333;
    --file-link-hover: #444444;
    --download-bg: rgb(241, 241, 241);
    --download-hover: #01579B;
    --download-icon: #2196F3;
    --tooltip-bg: rgb(12, 12, 12);
    --tooltip-text: #FFFFFF;
    --transition-duration: 0.3s;
}

[data-theme="dark"] {
    --background-color: #1F2937;
    --container-bg: #374151;
    --text-color: #F3F4F6;
    --primary-color: #60A5FA;
    --primary-hover: #93C5FD;
    --border-color: #4B5563;
    --placeholder-color: #9CA3AF;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --file-link-bg: #4B5563;
    --file-link-hover: #6B7280;
    --download-bg: #4B5563;
    --download-hover: #60A5FA;
    --download-icon: #93C5FD;
    --tooltip-bg: #111827;
    --tooltip-text: #F3F4F6;
}

/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base body styles */
body {
    background-color: var(--background-color);
    font-family: 'Inter', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}

/* Main container */
.container {
    max-width: 400px;
    width: 100%;
    background-color: var(--container-bg);
    box-shadow: 0 4px 6px var(--shadow-color);
    border-radius: 8px;
    padding: 2rem;
    margin: 1rem;
    transition: background-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

/* Headings */
h1 {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 1.5rem;
    transition: color var(--transition-duration) ease;
}

/* Form elements */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    transition: color var(--transition-duration) ease;
}

input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-color);
    outline: none;
    transition: border-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

input:focus {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 2px rgba(0, 119, 182, 0.2);
}

input::placeholder {
    color: var(--placeholder-color);
    transition: color var(--transition-duration) ease;
}

button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-color);
    color: #FFFFFF;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color var(--transition-duration) ease;
}

button:hover {
    background-color: var(--primary-hover);
}

/* File display */
.file-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 5px;
    width: 100%;
    transition: background-color var(--transition-duration) ease;
}

.file-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--file-link-bg);
    color: #FFF;
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
    transition: background-color var(--transition-duration) ease;
}

.file-link:hover,
.file-link.clicked {
    background-color: var(--file-link-hover);
}

.file-link::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    background-image: url('data:image/svg+xml;utf8,<svg class="w-6 h-6 text-gray-800 dark:text-white" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path stroke="white" stroke-linejoin="round" stroke-width="2" d="M10 3v4a1 1 0 0 1-1 1H5m14-4v16a1 1 0 0 1-1 1H6a1 1 0 0 1-1-1V7.914a1 1 0 0 1 .293-.707l3.914-3.914A1 1 0 0 1 9.914 3H18a1 1 0 0 1 1 1Z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: 8px;
    vertical-align: middle;
}

.file-link:hover::before,
.file-link.clicked::before {
    background-image: url('data:image/svg+xml;utf8,<svg class="w-6 h-6 text-gray-800 dark:text-white" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="white" viewBox="0 0 24 24"><path fill-rule="evenodd" d="M9 2.221V7H4.221a2 2 0 0 1 .365-.5L8.5 2.586A2 2 0 0 1 9 2.22ZM11 2v5a2 2 0 0 1-2 2H4v11a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2h-7Z" clip-rule="evenodd"/></svg>');
}

/* Download button */
.download-button {
    padding: 10px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background-color: var(--download-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: background-color var(--transition-duration) ease;
}

.svgIcon {
    fill: var(--download-icon);
    transition: fill var(--transition-duration) ease;
}

.icon2 {
    width: 18px;
    height: 5px;
    border-bottom: 2px solid var(--download-icon);
    border-left: 2px solid var(--download-icon);
    border-right: 2px solid var(--download-icon);
    transition: border-bottom var(--transition-duration) ease, border-left var(--transition-duration) ease, border-right var(--transition-duration) ease;
}

.tooltip {
    position: absolute;
    top: -50px;
    opacity: 0;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    padding: 10px 10px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-duration) ease, background-color var(--transition-duration) ease, color var(--transition-duration) ease;
    pointer-events: none;
    letter-spacing: 0.5px;
}

.tooltip::before {
    position: absolute;
    content: "";
    width: 10px;
    height: 10px;
    background-color: var(--tooltip-bg);
    background-size: 1000%;
    background-position: center;
    transform: rotate(45deg);
    bottom: -5%;
    transition: background-color var(--transition-duration) ease;
}

.download-button:hover .tooltip {
    opacity: 1;
}

.download-button:hover,
.download-button.clicked {
    background-color: var(--download-hover);
}

.download-button:hover .icon2,
.download-button.clicked .icon2 {
    border-bottom: 2px solid white;
    border-left: 2px solid white;
    border-right: 2px solid white;
}

.download-button:hover .svgIcon,
.download-button.clicked .svgIcon {
    fill: white;
    animation: slide-in-top 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

/* Download all button */
.download-all-button {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: var(--download-bg);
    color: var(--download-icon);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}

.download-all-button:hover {
    background-color: var(--download-hover);
    color: white;
}

.download-all-button:disabled {
    background-color: #CCCCCC;
    color: black;
    cursor: not-allowed;
}

/* Loader */
#loader {
    display: none;
}

#loader.active {
    display: block;
}

@keyframes slide-in-top {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0px);
        opacity: 1;
    }
}