/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #64748b;
    --color-secondary-hover: #475569;
    --color-success: #059669;
    --color-danger: #dc2626;
    --color-warning: #d97706;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

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

html {
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: var(--font-family-base);
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Layout */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-6) 0;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    text-align: center;
    position: relative;
}

/* Contact Info */
.contact-info {
    position: absolute;
    top: -15px;
    right: -50px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition-base);
}

.contact-info:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.email-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
    letter-spacing: -0.025em;
}

.header p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    font-weight: 400;
}

/* Main Content */
.main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: var(--space-6) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Input Section */
.input-section {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
}

.input-container {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

.url-input {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--color-white);
    transition: var(--transition-base);
    outline: none;
}

.url-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.url-input::placeholder {
    color: var(--color-gray-400);
}

.load-btn {
    padding: var(--space-4) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 100px;
    justify-content: center;
}

.load-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.load-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.loader {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Control Group within Input Section */
.control-group {
    display: flex !important;
    flex-direction: row !important;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
}

.control-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border: 1px solid;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    background: var(--color-white);
    white-space: nowrap;
}

.control-btn.primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.control-btn.primary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.control-btn.primary.active {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-white);
}

.control-btn.secondary {
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.control-btn.secondary:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
    transform: translateY(-1px);
}

.control-btn svg {
    width: 14px;
    height: 14px;
}

/* Content Section */
.content-section {
    flex: 1;
    background: var(--color-white);
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
}

.website-container {
    min-height: 600px;
    position: relative;
    background: var(--color-white);
}

.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 600px;
    background: var(--color-gray-50);
}

.placeholder-content {
    text-align: center;
    color: var(--color-gray-500);
}

.placeholder-icon {
    margin-bottom: var(--space-6);
    color: var(--color-gray-400);
}

.placeholder h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.placeholder p {
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
}

/* Draggable Elements */
.draggable {
    cursor: grab !important;
    position: relative;
}

.draggable.dragging {
    cursor: grabbing !important;
    z-index: 1000;
    transform: rotate(2deg);
    box-shadow: var(--shadow-xl);
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    transition: none; /* Disable transitions during dragging for smooth movement */
}


/* Website content styling */
.website-container iframe,
.website-container > * {
    max-width: 100%;
}

/* Override some common website styles when in drag mode */
.drag-mode-active * {
    user-select: none;
}

.drag-mode-active a {
    pointer-events: none;
}

.drag-mode-active button:not(.control-btn):not(.load-btn) {
    pointer-events: none;
}

.drag-mode-active input:not(.url-input),
.drag-mode-active textarea,
.drag-mode-active select {
    pointer-events: none;
}

/* Ensure Load button is always clickable */
.load-btn {
    pointer-events: auto !important;
    cursor: pointer !important;
}

.load-btn:disabled {
    pointer-events: none !important;
    cursor: not-allowed !important;
}

/* Success Message */
.success-message {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-md);
    color: var(--color-success);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: var(--space-5) 0;
    }
    
    .header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .header p {
        font-size: var(--font-size-base);
    }
    
    .contact-info {
        position: static;
        margin: 0 auto var(--space-4) auto;
        width: fit-content;
    }
    
    .main {
        padding: var(--space-4) var(--space-4);
        gap: var(--space-4);
    }
    
    .input-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .load-btn {
        justify-content: center;
    }
    
    .control-group {
        gap: var(--space-2);
    }
    
    .control-btn {
        justify-content: center;
    }
    
    .placeholder {
        height: 400px;
    }
    
    .website-container {
        min-height: 400px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: var(--font-size-xl);
    }
    
    .header p {
        font-size: var(--font-size-sm);
    }
    
    .contact-info span {
        font-size: var(--font-size-xs);
    }
    
    .input-section,
    .content-section {
        padding: var(--space-4);
    }
    
    .main {
        padding: var(--space-3) var(--space-3);
    }
}