@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* General Styling */
:root {
    --primary-color: #6366f1; /* Electric Indigo */
    --primary-hover: #4f46e5;
    --secondary-color: #0ea5e9; /* Neon Cyan */
    --light-gray: #f1f5f9;
    --medium-gray: #cbd5e1;
    --dark-gray: #475569;
    --text-color: #0f172a;
    --background-color: #f8fafc;
    --border-color: rgba(99, 102, 241, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --border-radius: 16px; /* Modern roundness */
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.35);
    --transition-speed: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

::selection {
    background-color: var(--primary-color);
    color: #fff;
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--background-color);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    margin: 0;
    background-color: var(--background-color);
    background-image: radial-gradient(circle at 2px 2px, var(--border-color) 1px, transparent 0);
    background-size: 32px 32px;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 90%;
}

h1 {
    color: var(--text-color);
    text-align: center;
    font-weight: 600;
}

.subtitle {
    text-align: center;
    color: var(--dark-gray);
    margin-top: -1rem;
    margin-bottom: 2rem;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Header and Navigation */
header {
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-img {
    height: 32px;
    width: auto;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color var(--transition-speed);
}

nav a:hover, nav a.logo:hover {
    color: var(--primary-color);
}

/* Tool Container */
.tool-container {
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin: 0 auto 2rem auto;
    max-width: 800px;
    transition: all var(--transition-speed);
    border: 1px solid var(--glass-border);
}

textarea {
    width: 100%;
    height: 200px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    resize: vertical;
    box-sizing: border-box;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    background-color: var(--light-gray);
    color: var(--text-color);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.stats-container {
    display: flex;
    gap: 2rem;
    margin: 1rem 0;
    color: var(--dark-gray);
    font-weight: 500;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.button-group button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-size: 200% auto;
    color: #fff;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: var(--shadow-sm);
}

.button-group button:hover {
    background-position: right center;
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

#clear-btn, button[style*="background-color: #dc3545;"] {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}
#clear-btn:hover, button[style*="background-color: #dc3545;"]:hover {
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4) !important;
}

#clear-list-btn, button[style*="var(--dark-gray)"], button[style*="var(--medium-gray)"] {
    background: linear-gradient(135deg, var(--dark-gray), #334155) !important;
    background-size: 200% auto !important;
}
#clear-list-btn:hover, button[style*="var(--dark-gray)"]:hover, button[style*="var(--medium-gray)"]:hover {
    box-shadow: 0 0 15px rgba(100, 116, 139, 0.4) !important;
}

.button-group button:disabled {
    background-color: #a0a0a0;
    cursor: not-allowed;
}

.button-group button:disabled:hover {
    background-color: #a0a0a0;
    transform: none;
    box-shadow: var(--shadow-sm);
}

/* Header Dropdown */
.dropbtn {
    cursor: pointer;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    min-width: 220px;
    box-shadow: var(--shadow-md);
    z-index: 10;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Homepage Title Gradient */
.home-title {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--primary-hover), var(--primary-color));
    background-size: 300% 300%;
    animation: gradientBG 8s ease infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Homepage Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed);
    border: 1px solid var(--glass-border);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

/* Password Generator Styles */
h2 {
    text-align: center;
    margin-top: 0;
    color: var(--dark-gray);
}

.tool-container h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.tool-icon {
    display: inline-flex;
    align-items: center;
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.password-generator-output {
    display: flex;
    margin-bottom: 1.5rem;
}

.password-generator-output input {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    background-color: #f8f9fa;
    font-size: 1.1rem;
    font-family: 'Courier New', Courier, monospace;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    padding: 0.75rem;
    color: var(--text-color);
    border-right: none;
    transition: all var(--transition-speed);
}

.password-generator-output input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.password-generator-output button {
    padding: 0.75rem 1rem;
    border: 1px solid #ccc;
    background-color: #e9ecef;
    cursor: pointer;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-generator-output button:hover {
    background-color: #dde1e4;
}

.password-settings {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--glass-bg);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
}
.setting input[type="checkbox"] {
    transform: scale(1.4);
}

/* File list for multi-upload */
#file-list {
    list-style-type: none;
    padding: 0;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.file-list-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--glass-bg);
}

.file-list-item:last-child {
    border-bottom: none;
}

.file-list-item .serial-number {
    font-weight: bold;
    color: var(--dark-gray);
    margin-right: 1rem;
}

.file-list-item .thumbnail {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 1rem;
}

.file-list-item .file-name {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* JPG to PDF Tool Styles */
.file-drop-area {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: 200px;
    border: 2px dashed var(--medium-gray);
    border-radius: var(--border-radius);
    background-color: rgba(0,0,0,0.02);
    margin-bottom: 1.5rem;
    transition: all var(--transition-speed);
}

.file-drop-area.dragover {
    background-color: rgba(99, 102, 241, 0.05);
    border-color: var(--primary-color);
    border-style: solid;
}

.file-drop-area input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.file-drop-area p {
    color: var(--dark-gray);
    font-weight: 500;
}

#image-preview {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.hidden {
    display: none;
}

.status-message {
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
}

/* Ad Placeholder */
.ad-placeholder {
    margin: 2rem auto;
    padding: 2rem;
    border: 2px dashed var(--medium-gray);
    text-align: center;
    background-color: #fafafa;
    border-radius: var(--border-radius);
    max-width: 800px;
}

.ad-placeholder h2 {
    margin: 0;
    color: #aaa;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    background-color: #fff;
    margin-top: 2rem;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 600px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    .button-group {
        flex-direction: column;
    }
}

/* QR Generator Styles */
.qr-input-group {
    margin-bottom: 1.5rem;
}

#qr-text {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    box-sizing: border-box;
    transition: all var(--transition-speed);
}

#qr-text:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.qr-output-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

#qrcode {
    background: #fff;
    padding: 1rem;
    border-radius: var(--border-radius);
}

/* Background Remover Styles */
.image-comparison-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.preview-box {
    flex: 1;
    min-width: 250px;
    text-align: center;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: #fafafa;
}

.preview-box h4 {
    margin-top: 0;
    color: var(--dark-gray);
}

.preview-box img {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
    /* Checkerboard pattern to show transparency */
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20"><rect width="10" height="10" fill="%23eee"/><rect x="10" y="10" width="10" height="10" fill="%23eee"/><rect x="10" width="10" height="10" fill="%23fff"/><rect y="10" width="10" height="10" fill="%23fff"/></svg>');
}

/* Ecommerce Label Cropper Styles */
.cropper-preview-container {
    margin-top: 1.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--light-gray);
    min-height: 300px;
    max-height: 70vh; /* Add max-height to prevent it from being too tall */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* To contain the image */
}

#image-to-crop {
    max-width: 100%;
    display: block; 
}

/* Cropper.js overrides to match theme */
.cropper-view-box,
.cropper-face {
    border-radius: var(--border-radius);
    outline-color: var(--primary-color);
}

/* Code Editor Styles */
.code-editor-layout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.code-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.code-column {
    display: flex;
    flex-direction: column;
}

.code-column label, .code-output label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

#code-iframe {
    width: 100%;
    height: 350px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: #fff;
}

/* CodeMirror Overrides */
.CodeMirror {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    height: 250px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    z-index: 1; /* Ensure it stays under dropdowns */
}
.CodeMirror-focused {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

/* Text Compare Styles */
.compare-container {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .compare-container {
        flex-direction: column;
    }
}

.compare-col {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.compare-col label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

#diff-output {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
    white-space: pre-wrap;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;
    min-height: 150px;
    word-break: break-word;
}

.diff-added {
    background-color: #d4edda;
    color: #155724;
}

.diff-removed {
    background-color: #f8d7da;
    color: #721c24;
    text-decoration: line-through;
}

/* Theme Toggle Button */
#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--dark-gray);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    border-radius: 50%;
    transition: all var(--transition-speed);
}
#theme-toggle:hover {
    color: var(--primary-color);
    background-color: var(--light-gray);
}
#theme-toggle .icon-sun,
#theme-toggle .icon-moon {
    width: 22px;
    height: 22px;
}
body.dark-mode #theme-toggle .icon-sun { display: block; }
body.dark-mode #theme-toggle .icon-moon { display: none; }
body:not(.dark-mode) #theme-toggle .icon-sun { display: none; }
body:not(.dark-mode) #theme-toggle .icon-moon { display: block; }


/* Dark Mode Styles */
body.dark-mode {
    --primary-color: #818cf8; /* Light Indigo */
    --primary-hover: #6366f1;
    --secondary-color: #38bdf8; /* Light Cyan */
    --light-gray: #1e293b; /* Deep slate */
    --medium-gray: #475569;
    --dark-gray: #94a3b8;
    --text-color: #f8fafc;
    --background-color: #0f172a; /* Very dark slate */
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(129, 140, 248, 0.25);
}

body.dark-mode .tool-container,
body.dark-mode .tool-card,
body.dark-mode .dropdown-content,
body.dark-mode .setting,
body.dark-mode .file-list-item,
body.dark-mode #qrcode,
body.dark-mode .preview-box,
body.dark-mode .ad-placeholder {
    background-color: var(--glass-bg);
    border-color: var(--glass-border);
}

body.dark-mode .dropdown-content a:hover {
    background-color: var(--light-gray);
}

body.dark-mode .password-generator-output button {
    background-color: var(--light-gray);
    border-color: var(--border-color);
}

body.dark-mode .password-generator-output button:hover {
    background-color: var(--medium-gray);
}

body.dark-mode .file-drop-area {
    background-color: rgba(0,0,0,0.2);
    border-color: var(--medium-gray);
}

body.dark-mode .file-drop-area.dragover {
    background-color: rgba(129, 140, 248, 0.1);
}

body.dark-mode .ad-placeholder h2 {
    color: var(--dark-gray);
}

body.dark-mode .preview-box img {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20"><rect width="10" height="10" fill="%23333"/><rect x="10" y="10" width="10" height="10" fill="%23333"/><rect x="10" width="10" height="10" fill="%23222"/><rect y="10" width="10" height="10" fill="%23222"/></svg>');
}

body.dark-mode select,
body.dark-mode input,
body.dark-mode textarea {
    background-color: var(--light-gray);
    color: var(--text-color);
    border-color: var(--glass-border);
}

body.dark-mode #lock-aspect-ratio[style*="var(--primary-color)"] {
    color: var(--primary-color) !important;
}

body.dark-mode #lock-aspect-ratio[style*="var(--medium-gray)"] {
    color: var(--medium-gray) !important;
}

body.dark-mode #diff-output {
    background-color: var(--light-gray);
}

body.dark-mode .diff-added {
    background-color: rgba(40, 167, 69, 0.25);
    color: #81c784;
}

body.dark-mode .diff-removed {
    background-color: rgba(220, 53, 69, 0.25);
    color: #e57373;
}