:root {
    /* Muted and formal color palette */
    --primary-color: #2c3e50; /* Darker blue/grey for primary elements */
    --primary-dark: #1a242f;
    --primary-light: #4a6c8e;
    --secondary-color: #7f8c8d; /* Muted grey for secondary text */
    --accent-color: #3498db; /* A cleaner, less vibrant blue for accents */
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --text-primary: #2c3e50; /* Main text color */
    --text-secondary: #7f8c8d;
    --text-muted: #bdc3c7;
    --bg-primary: #ffffff;
    --bg-secondary: #fdfefe; /* Very subtle off-white */
    --bg-tertiary: #ecf0f1; /* Light grey for subtle backgrounds */
    --bg-accent: #f8fcfd; /* Very light blue for accent areas */
    --border-color: #dfe6e9; /* Lighter, subtle borders */
    --border-light: #edeff0;
    
    /* Subtler shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.15);
    
    /* Removed gradients for a flatter, minimalistic look */
    --gradient-primary: none;
    --gradient-secondary: none;
    --gradient-accent: none;
}

/* Base styles for a clean slate */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary); /* Uniform, very light background */
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex; /* Using flexbox for better centering */
    justify-content: center;
    align-items: flex-start; /* Align items to the start, not center vertically */
    padding: 40px 0; /* Add some top/bottom padding */
}

/* Removed background decoration for minimalism */
.background-decoration {
    display: none;
}

.container {
    max-width: 1200px; /* Slightly narrower for a more focused layout */
    margin: 0 auto;
    padding: 0 24px; /* Maintain horizontal padding */
    position: relative;
    width: 100%; /* Ensure it takes full width within max-width */
}

.header {
    text-align: center;
    margin-bottom: 48px;
    background: var(--bg-primary); /* Solid white background */
    /* Removed backdrop-filter for simplicity */
    padding: 40px 32px; /* Slightly reduced padding */
    border-radius: 12px; /* Less rounded corners for formality */
    box-shadow: var(--shadow-md); /* Subtler shadow */
    border: 1px solid var(--border-color); /* Clear border */
    position: relative;
    overflow: hidden;
}

/* Subtle top border for header */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px; /* Thinner border */
    background: var(--primary-color); /* Solid primary color */
}

.header h1 {
    font-size: 2.5rem; /* Slightly smaller, more refined */
    font-weight: 700;
    margin-bottom: 12px; /* Reduced margin */
    color: var(--primary-color); /* Solid color instead of gradient */
    -webkit-background-clip: unset; /* Remove webkit specific properties */
    -webkit-text-fill-color: unset; /* Remove webkit specific properties */
    background-clip: unset; /* Remove background clip */
    letter-spacing: -0.01em; /* Less aggressive letter spacing */
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem; /* Slightly smaller */
    font-weight: 400;
    max-width: 550px; /* A bit narrower */
    margin: 0 auto;
}

.auth-section {
    background: var(--bg-primary); /* Solid white background */
    /* Removed backdrop-filter */
    border-radius: 12px; /* Less rounded */
    padding: 40px; /* Reduced padding */
    margin-bottom: 48px;
    box-shadow: var(--shadow-md); /* Subtler shadow */
    border: 1px solid var(--border-color);
    text-align: center;
    max-width: 420px; /* Slightly narrower for a more compact form */
    margin-left: auto;
    margin-right: auto;
    position: relative;
    overflow: hidden;
}

/* Subtle top border for auth section */
.auth-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-color); /* Accent color */
}

.auth-section h2 {
    font-size: 1.8rem; /* Slightly smaller */
    font-weight: 600;
    margin-bottom: 28px; /* Reduced margin */
    color: var(--text-primary);
}

.auth-tabs {
    display: flex;
    background: var(--bg-tertiary); /* Light grey background */
    border-radius: 8px; /* Less rounded */
    padding: 3px; /* Thinner padding */
    margin-bottom: 28px; /* Reduced margin */
    border: 1px solid var(--border-color); /* Added border */
}

.auth-tab {
    flex: 1;
    padding: 10px 14px; /* Reduced padding */
    border: none;
    background: transparent;
    border-radius: 6px; /* Less rounded */
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease; /* Faster, subtler transition */
    font-size: 0.95rem; /* Slightly smaller font */
}

.auth-tab.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.panel {
    background: var(--bg-primary); /* Solid white background */
    /* Removed backdrop-filter */
    border-radius: 12px; /* Less rounded */
    padding: 32px;
    box-shadow: var(--shadow-md); /* Subtler shadow */
    border: 1px solid var(--border-color);
    min-height: calc(100vh - 200px); /* Keep for layout integrity */
    position: relative;
    overflow: hidden;
}

/* Subtle top border for panels */
.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px; /* Reduced margin */
    padding-bottom: 14px; /* Reduced padding */
    border-bottom: 1px solid var(--border-light); /* Thinner, lighter border */
}

.panel-title {
    font-size: 1.3rem; /* Slightly smaller */
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px; /* Reduced gap */
}

.panel-title i {
    color: var(--primary-color);
    font-size: 1.1rem; /* Slightly smaller icon */
}

.user-info {
    display: flex;
    align-items: center;
    gap: 6px; /* Reduced gap */
    color: var(--text-secondary);
    font-size: 13px; /* Slightly smaller font */
    font-weight: 500;
    background: var(--bg-tertiary); /* Lighter background */
    padding: 6px 12px; /* Reduced padding */
    border-radius: 16px; /* Slightly less rounded */
    border: 1px solid var(--border-light); /* Added subtle border */
}

.btn {
    padding: 10px 20px; /* Reduced padding */
    border: 1px solid var(--border-color); /* Clearer, subtle border */
    border-radius: 8px; /* Less rounded */
    cursor: pointer;
    font-size: 13px; /* Slightly smaller font */
    font-weight: 500;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 4px;
    transition: all 0.2s ease; /* Faster, subtler transition */
    min-height: 40px; /* Slightly smaller min-height */
    position: relative;
    overflow: hidden; /* Keep for button ripple/shine effect if any */
}

/* Removed the elaborate ::before animation for a cleaner look */
.btn::before {
    display: none;
}

.btn-primary {
    background: var(--primary-color); /* Solid primary color */
    color: white;
    border-color: var(--primary-dark); /* Darker border for depth */
    box-shadow: var(--shadow-sm); /* Subtler shadow */
}

.btn-secondary {
    background: var(--accent-color); /* Solid accent color */
    color: white;
    border-color: darken(var(--accent-color), 10%); /* Darker accent border */
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: var(--success-color);
    color: white;
    border-color: darken(var(--success-color), 10%);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn:hover {
    transform: translateY(-1px); /* Subtler hover effect */
    box-shadow: var(--shadow-md); /* Slightly more prominent shadow on hover */
    background: var(--bg-tertiary); /* Light background for outlines on hover */
    color: var(--text-primary);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-success:hover {
    filter: brightness(1.1); /* Simple brightness increase for solid buttons */
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}


.btn-block {
    width: 100%;
}

.template-selector {
    margin: 24px 0;
}

.template-selector h3 {
    font-size: 1.05rem; /* Slightly smaller */
    font-weight: 600;
    margin-bottom: 14px; /* Reduced margin */
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* Slightly smaller min width */
    gap: 12px; /* Reduced gap */
}

.template-card {
    border: 1px solid var(--border-color); /* Thinner border */
    border-radius: 8px; /* Less rounded */
    padding: 20px; /* Reduced padding */
    cursor: pointer;
    text-align: center;
    background: var(--bg-primary);
    transition: all 0.2s ease; /* Faster, subtler transition */
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm); /* Added subtle shadow */
}

/* Removed the elaborate ::before animation for a cleaner look */
.template-card::before {
    display: none;
}

.template-card:hover {
    border-color: var(--accent-color); /* Accent color on hover */
    box-shadow: var(--shadow-md);
    transform: translateY(-2px); /* Subtler hover effect */
}

.template-card.active {
    border-color: var(--primary-color);
    background: var(--bg-accent); /* Lighter accent background */
    box-shadow: var(--shadow-md);
}

.template-icon,
.template-icon-gem {
    font-size: 1.8rem; /* Smaller icon size */
    color: var(--primary-color);
    margin-bottom: 8px; /* Reduced margin */
}

.template-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.template-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-section {
    margin-bottom: 32px;
}

.form-section h3 {
    font-size: 1.2rem; /* Slightly smaller */
    font-weight: 600;
    margin-bottom: 20px; /* Reduced margin */
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light); /* Subtle border for sections */
}

.form-group {
    margin-bottom: 20px; /* Reduced margin */
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 6px; /* Reduced margin */
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px; /* Slightly smaller font */
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px; /* Reduced padding */
    border: 1px solid var(--border-color); /* Thinner border */
    border-radius: 8px; /* Less rounded */
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease; /* Faster, subtler transition */
    background: var(--bg-primary);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color); /* Accent color on focus */
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2); /* Subtler shadow */
    transform: none; /* No translateY on focus */
}

.password-input-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px; /* Adjusted position */
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px; /* Slightly smaller icon */
    padding: 3px; /* Reduced padding */
    border-radius: 3px;
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: var(--accent-color);
}

.password-strength {
    margin-top: 6px; /* Reduced margin */
    font-size: 11px; /* Smaller font */
    color: var(--text-secondary); /* Default text color */
}

.strength-bar {
    height: 3px; /* Thinner bar */
    background: var(--border-light); /* Lighter background */
    border-radius: 2px;
    margin: 3px 0; /* Reduced margin */
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Keep strength colors, as they convey essential info */
.strength-weak .strength-fill {
    width: 25%;
    background: var(--error-color);
}

.strength-medium .strength-fill {
    width: 50%;
    background: var(--warning-color);
}

.strength-good .strength-fill {
    width: 75%;
    background: var(--success-color);
}

.strength-strong .strength-fill {
    width: 100%;
    background: var(--success-color);
}

.resume-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px; /* Less rounded */
    padding: 30px; /* Reduced padding for a tighter look */
    margin-top: 24px;
    min-height: 700px;
    box-shadow: var(--shadow-sm);
    font-size: 13.5px; /* Slightly smaller base font size for density */
    line-height: 1.5; /* Adjusted line height */
    position: relative;
    color: #34495e; /* A standard dark grey for resume content */
}

.resume-header {
    text-align: center;
    border-bottom: 1px solid var(--border-light); /* Thinner, lighter border */
    padding-bottom: 20px; /* Reduced padding */
    margin-bottom: 28px; /* Reduced margin */
}

.resume-name {
    font-size: 2.2rem; /* Slightly smaller */
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px; /* Reduced margin */
    letter-spacing: -0.01em;
}

.resume-contact {
    color: var(--text-secondary);
    font-size: 13px; /* Slightly smaller */
    font-weight: 500;
}

.resume-section {
    margin-bottom: 24px; /* Reduced margin */
}

.resume-section h3 {
    color: var(--primary-color);
    font-size: 1.05rem; /* Slightly smaller */
    font-weight: 600;
    margin-bottom: 10px; /* Reduced margin */
    border-bottom: 1px solid var(--border-light); /* Thinner border */
    padding-bottom: 3px; /* Reduced padding */
    text-transform: uppercase;
    letter-spacing: 0.04em; /* Slightly tighter letter spacing */
}

.resume-section p {
    margin-bottom: 8px; /* Spacing between paragraphs */
}

.hidden {
    display: none;
}

.alert {
    padding: 12px 16px; /* Reduced padding */
    border-radius: 8px; /* Less rounded */
    margin: 12px 0; /* Reduced margin */
    font-size: 13px; /* Slightly smaller font */
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s ease;
    border: 1px solid; /* Solid border for clarity */
}

.alert-success {
    background: #e6f7ed; /* Lighter background */
    color: var(--success-color);
    border-color: #b7e3c9;
}

.alert-error {
    background: #fdf0ef; /* Lighter background */
    color: var(--error-color);
    border-color: #f7b7b7;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px); /* Subtler animation */
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sample-resume-btn {
    background: var(--accent-color); /* Solid accent color */
    color: white;
    border: 1px solid darken(var(--accent-color), 10%);
    padding: 10px 20px; /* Reduced padding */
    border-radius: 8px; /* Less rounded */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 16px 0;
    box-shadow: var(--shadow-sm);
}

.sample-resume-btn:hover {
    transform: translateY(-1px); /* Subtler hover */
    box-shadow: var(--shadow-md);
    filter: brightness(1.1);
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 16px;
    }

    .panel {
        padding: 20px;
    }

    .header {
        padding: 32px 20px;
    }

    .auth-section {
        padding: 32px 20px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .panel-title {
        font-size: 1.2rem;
    }
}