/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Professional Color Palette */
    --primary-color: #4f46e5; /* Indigo */
    --primary-hover: #4338ca; /* Darker indigo */
    --primary-light: #6366f1; /* Lighter indigo */
    --secondary-color: #7c3aed; /* Purple */
    --success-color: #10b981; /* Emerald */
    --warning-color: #f59e0b; /* Amber */
    --error-color: #ef4444; /* Red */
    --text-primary: #1f2937; /* Gray-800 */
    --text-secondary: #4b5563; /* Gray-600 */
    --text-light: #6b7280; /* Gray-500 */
    --bg-primary: #ffffff; /* White */
    --bg-secondary: #f9fafb; /* Gray-50 */
    --bg-tertiary: #f3f4f6; /* Gray-100 */
    --border-color: #e5e7eb; /* Gray-200 */
    --border-light: #f3f4f6; /* Gray-100 */
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-lg: 1.125rem;  /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */
    --font-size-4xl: 2.25rem;  /* 36px */
    --font-size-5xl: 3rem;     /* 48px */
    --font-size-6xl: 3.75rem;  /* 60px */
    
    /* Line heights */
    --line-height-none: 1;
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.7;
    --line-height-relaxed: 1.75;
    
    /* Font weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 6px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 18px rgba(0,0,0,0.10);
    --shadow-xl: 0 18px 28px rgba(0,0,0,0.12);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 8px;
    --radius-2xl: 12px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    letter-spacing: 0.01em;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: currentColor;
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.btn:hover::before {
    opacity: 0.1;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover:not(:disabled)::after {
    opacity: 1;
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-color: var(--border-color);
    transform: translateY(-2px);
}

/* Sizes */
.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.btn-full {
    width: 100%;
    padding: 0.875rem 1.5rem;
}

/* Icons */
.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-normal);
}

.btn:hover .btn-icon {
    transform: translateX(2px);
}

.btn-icon-sm {
    width: 1rem;
    height: 1rem;
}

/* Loading State */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    margin: -0.625rem 0 0 -0.625rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Landing Page Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xl);
    transition: color var(--transition-fast);
    gap: var(--spacing-sm);
}

.nav-logo .logo-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.nav-logo:hover .logo-icon {
    transform: scale(1.1);
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Hero Section */
.hero {
    padding: 3rem 0 3rem; /* Reduced top padding from 8rem to 5rem */
    position: relative;
    overflow: visible;
    background: transparent;
    z-index: 1;
    color: var(--text-primary);
    background-image: linear-gradient(135deg, rgba(219, 39, 119, 0.03), rgba(157, 23, 77, 0.03));
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

/* Ensure content is above particles */
.hero-container {
    position: relative;
    z-index: 2;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 2;
    min-height: 80vh;
    padding-top: 8rem;
    padding-bottom: 4rem;
}

.hero-content {
    max-width: 36rem;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.hero-title .gradient-text {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-visual {
    position: relative;
    width: 400px;
    margin-left: 2rem;
    margin-top: -3rem; /* Move the cards up slightly */
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.floating-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    width: 100%;
    max-width: 300px;
}

.card-1 {
    position: relative;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
    margin-right: 0;
    margin-left: auto;
}

.card-2 {
    position: relative;
    z-index: 2;
    animation: float 7s ease-in-out 1s infinite;
    margin-right: 0;
    margin-left: auto;
}

.floating-card:hover {
    transform: translateY(-4px) rotate(0);
    box-shadow: var(--shadow-xl);
    width: 240px;
    animation-delay: 3s;
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.card-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}

.card-dots span:first-child {
    background: var(--error-color);
}

.card-dots span:nth-child(2) {
    background: var(--warning-color);
}

.card-dots span:last-child {
    background: var(--success-color);
}

.task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.task-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

.task-item.completed span {
    text-decoration: line-through;
    opacity: 0.6;
}

.stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Section */
.features {
    padding: 5rem 0; /* Reduced from 8rem to 5rem */
    background: var(--bg-primary);
    background-image: linear-gradient(135deg, rgba(219, 39, 119, 0.05), rgba(157, 23, 77, 0.05));
}

.features .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.feature-icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0;
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.05) rotate(5deg);
}

.feature-icon i {
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: transparent;
    background-image: linear-gradient(135deg, rgba(219, 39, 119, 0.03), rgba(157, 23, 77, 0.03));
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.cta h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.cta p {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn {
    background: white;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.cta .btn::before {
    display: none;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 6rem 0 2rem;
    position: relative;
    border-top: 1px solid var(--border-color);
}

.footer .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    max-width: 320px;
}

.footer-logo h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo p {
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: transparent;
}

.footer-legal {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.footer-legal a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--primary-color);
}

.heart-icon {
    color: #ef4444;
    width: 1rem;
    height: 1rem;
    margin: 0 0.25rem;
    vertical-align: middle;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* App Page Styles */
.app-header {
    background: rgba(246, 245, 245, 0.95);
    border-bottom: 1px solid rgba(38, 1, 223, 0.1);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-logo .logo-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.app-logo h2 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.app-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-greeting {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.user-greeting .greeting-icon {
    width: 16px;
    height: 16px;
}

.app-main {
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
    min-height: calc(100vh - 80px);
}

.app-main .app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2xl);
}

.app-container.narrow {
    max-width: 900px;
}

.task-controls {
    margin-bottom: var(--spacing-md);
}

.task-controls,
.add-task-section,
.tasks-section {
    width: 720px;
    max-width: 90vw;
    margin: 0 auto;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.task-header h1 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.task-header h1 .header-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.task-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.task-stats .stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
}

.task-stats .stat .stat-icon {
    width: 14px;
    height: 14px;
}

.task-filters {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.task-filters .filter-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.818);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(219, 39, 119, 0.3);
}

/* Add Task Form */
.add-task-section {
    background: rgba(255, 254, 254, 0.582);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 10px 40px rgba(14, 14, 14, 0.2), 0 0 1px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(59, 77, 213, 0.3);
    position: relative;
    backdrop-filter: blur(10px);
}

.add-task-section::before {
    content: '';
    position: absolute;
    left: -8px;
    top: var(--spacing-lg);
    bottom: var(--spacing-lg);
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.add-task-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-row input,
.form-row select {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-md);
    background: rgba(227, 222, 222, 0.596);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary); 
    transition: all var(--transition-fast);
}

.form-row input:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(218, 215, 215, 0.8);
}

.form-row input::placeholder {
    color: var(--text-light);
}

.priority-select {
    min-width: 150px;
}

/* Tasks List */
.tasks-section {
    background: rgba(246, 245, 245, 0.95);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(16, 38, 238, 0.3);
    position: relative;
    backdrop-filter: blur(10px);
}

.tasks-section::before {
    content: '';
    position: absolute;
    left: -8px;
    top: var(--spacing-lg);
    bottom: var(--spacing-lg);
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary-light), var(--primary-color));
}

.tasks-section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-light);
}

.tasks-section-divider {
    height: 3px;
    background: rgb(13, 13, 228,0.6);
    margin: var(--spacing-sm) 0 var(--spacing-md);
    border-radius: var(--radius-sm);
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.task-item-app {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border: 2px solid rgba(50, 50, 235, 0.823);
    border-radius: var(--radius-lg);
    background: rgb(234, 230, 230);
    transition: all var(--transition-fast);
    position: relative;
    backdrop-filter: blur(5px);
    margin-bottom: 8px;
}

/* .task-item-app::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 12px;
    bottom: 12px;
    width: 6px;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 8px rgba(6, 6, 6, 0.563);
} */

.task-item-app:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1), 0 0 20px rgba(79, 62, 69, 0.1);
    transform: translateX(2px);
}

.task-item-app.completed {
    opacity: 0.6;
    background: rgba(10, 10, 10, 0.3);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    cursor: pointer;
    filter: drop-shadow(0 0 5px rgba(219, 39, 119, 0.5));
}

.task-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.task-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.task-title.completed {
    text-decoration: line-through;
    color: var(--text-light);
}

.task-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.task-priority {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.task-priority.low {
    background: rgba(226, 226, 226, 0.774);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.825);
}

.task-priority.medium {
    background: rgba(219, 39, 119, 0.3);
    color: var(--primary-light);
    border: 1px solid rgba(219, 39, 119, 0.5);
}

.task-priority.high {
    background: rgba(244, 114, 182, 0.3);
    color: var(--primary-light);
    border: 1px solid rgba(244, 114, 182, 0.5);
}

.task-priority.urgent {
    background: rgba(219, 39, 119, 0.5);
    color: #ffffff;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 10px rgba(219, 39, 119, 0.5);
}

.task-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.task-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-light);
}

.empty-icon svg,
.empty-icon i {
    width: 100%;
    height: 100%;
    stroke-width: 1.5;
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--font-size-base);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid rgba(219, 39, 119, 0.3);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(219, 39, 119, 0.3);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    backdrop-filter: blur(20px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-xl) 0;
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-close svg,
.modal-close i {
    width: 1.5rem;
    height: 1.5rem;
}

.modal-body {
    padding: var(--spacing-xl);
}

.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(248, 248, 248, 0.3);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input {
    padding: var(--spacing-md);
    background: rgba(249, 248, 248, 0.5);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.933);
    box-shadow: 0 0 15px rgba(4, 245, 237, 0.3);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.auth-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    text-align: center;
    margin-top: var(--spacing-md);
}

.auth-message.success {
    background: rgba(219, 39, 119, 0.2);
    color: var(--primary-light);
    border: 1px solid rgba(219, 39, 119, 0.5);
}

.auth-message.error {
    background: rgba(190, 24, 93, 0.2);
    color: var(--error-color);
    border: 1px solid rgba(190, 24, 93, 0.5);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(247, 242, 244, 0.94);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .nav-actions {
        gap: var(--spacing-sm);
    }
    
    .nav-actions .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .app-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .task-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row input,
    .form-row select {
        min-width: auto;
    }
    
    .task-item-app {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .task-actions {
        align-self: stretch;
        justify-content: space-between;
    }
    
    .floating-card {
        position: relative;
        margin: var(--spacing-lg) auto;
        animation: none;
    }
    
    .card-1,
    .card-2 {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
    }
}

@media (max-width: 480px) {
    .container,
    .hero-container,
    .app-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-content {
        margin: var(--spacing-md);
        max-width: none;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-lg);
    }
}

/* Force vertical stacking across the landing layout */
.hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
}

.hero-actions {
    justify-content: center;
}

.floating-card {
    position: relative;
    margin: var(--spacing-lg) auto;
    animation: none;
}

.card-1,
.card-2 {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
}

.features-grid {
    grid-template-columns: 1fr;
}

.footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-links {
    justify-content: center;
}