/* Modern UI Styles for Orbii Tech Innovation Hub */
:root {
    /* Main color scheme - modern blue and teal palette */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #93c5fd;
    --secondary-color: #0ea5e9;
    --secondary-dark: #0284c7;
    --accent-color: #06b6d4;

    /* Neutral colors */
    --dark-color: #0f172a;
    --gray-dark: #334155;
    --gray-color: #64748b;
    --gray-light: #cbd5e1;
    --light-gray: #e2e8f0;
    --lighter-gray: #f1f5f9;
    --body-bg: #f8fafc;
    --card-bg: #ffffff;
    
    /* Status colors */
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --info-color: #6366f1;
    
    /* UI Elements */
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-radius: 0.5rem;
    --border-radius-sm: 0.25rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Plus Jakarta Sans', var(--font-sans);
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

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

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--body-bg);
    font-size: 16px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

main {
    min-height: calc(100vh - 140px);
    padding: 2rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-bottom: 3rem;
}

/* Modern Header & Navigation */
header {
    background-color: #fff;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%233b82f6'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M13 10V3L4 14h7v7l9-11h-7z'%3E%3C/path%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

nav ul {
    display: flex;
    gap: 1.5rem;
}

nav ul li a {
    color: var(--gray-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after, 
nav ul li a.active::after {
    width: 100%;
}

nav ul li a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Modern Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 600px;
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-radius: var(--border-radius-lg);
    padding: 4rem 2rem;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--box-shadow-lg);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath opacity='.5' d='M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9z'/%3E%3Cpath d='M6 5V0H5v5H0v1h5v94h1V6h94V5H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-position: center;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: #fff;
    letter-spacing: -0.025em;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.7;
}

/* Modern Buttons */
.btn {
    display: inline-block;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 2px solid transparent;
    padding: 0.75rem 1.5rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    color: #fff;
}

.btn-secondary {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    color: #fff;
}

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

.btn-outline:hover {
    color: #fff;
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-small {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
}

.btn-large {
    font-size: 1.125rem;
    padding: 1rem 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    padding: 1rem 2rem;
    background-color: #fff;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
    color: var(--primary-dark);
}

.cta-button::after {
    content: '→';
    display: inline-block;
    transition: transform 0.3s ease;
}

.cta-button:hover::after {
    transform: translateX(5px);
}

/* Modern Card Styles */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

/* Features Section */
.features {
    text-align: center;
    padding: 3rem 0;
}

.features h2 {
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-block;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    transform: translateX(-50%);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.feature:hover {
    transform: translateY(-7px);
    box-shadow: var(--box-shadow-hover);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    margin-bottom: 1.5rem;
    background-color: var(--primary-light);
    border-radius: 50%;
    color: var(--primary-color);
}

.feature h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature p {
    color: var(--gray-color);
    font-size: 1rem;
    line-height: 1.7;
}

/* Modern Idea Cards */
.idea-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--box-shadow);
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.idea-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-light);
}

.idea-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.idea-card h3 a {
    color: var(--dark-color);
    transition: var(--transition);
}

.idea-card h3 a:hover {
    color: var(--primary-color);
}

.idea-meta {
    color: var(--gray-color);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.idea-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.idea-content {
    margin-bottom: 1.5rem;
    color: var(--gray-dark);
    line-height: 1.7;
}

.idea-stats {
    display: flex;
    gap: 1.5rem;
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--light-gray);
}

.idea-stats span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.idea-status {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.idea-status-pending {
    background-color: #fff7ed;
    color: #c2410c;
    border: 1px solid #ffedd5;
}

.idea-status-approved {
    background-color: #ecfdf5;
    color: #059669;
    border: 1px solid #d1fae5;
}

.idea-status-implemented {
    background-color: #eff6ff;
    color: #2563eb;
    border: 1px solid #dbeafe;
}

.idea-status-rejected {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fee2e2;
}

.idea-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.read-more::after {
    content: '→';
    display: inline-block;
    margin-left: 0.35rem;
    transition: transform 0.3s ease;
}

.read-more:hover::after {
    transform: translateX(5px);
}

.no-content {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--lighter-gray);
    border-radius: var(--border-radius);
    color: var(--gray-color);
    border: 1px dashed var(--gray-light);
}

/* Modern Auth Forms */
.auth-form {
    max-width: 500px;
    margin: 3rem auto;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--box-shadow-lg);
    border: 1px solid var(--light-gray);
}

.auth-form h1 {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--dark-color);
    position: relative;
}

.auth-form h1::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: var(--dark-color);
    background-color: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--gray-color);
    margin-top: 0.5rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-checkbox input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.form-checkbox input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 0.15rem;
    left: 0.4rem;
    width: 0.375rem;
    height: 0.7rem;
    border: solid white;
    border-width: 0 0.15rem 0.15rem 0;
    transform: rotate(45deg);
}

.form-checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
}

.auth-form button {
    width: 100%;
    padding: 0.85rem;
    font-size: 1rem;
    margin-top: 1.5rem;
    font-weight: 600;
}

.auth-alt {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.95rem;
    color: var(--gray-color);
}

.auth-alt a {
    font-weight: 600;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--gray-color);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--light-gray);
}

.auth-divider span {
    padding: 0 1rem;
    font-size: 0.875rem;
}

.error-container {
    background-color: #fef2f2;
    border: 1px solid #fee2e2;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.75rem;
}

.error {
    color: var(--danger-color);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.error:last-child {
    margin-bottom: 0;
}

.success-container {
    background-color: #ecfdf5;
    border: 1px solid #d1fae5;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.75rem;
}

.success {
    color: var(--success-color);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.success:last-child {
    margin-bottom: 0;
}

/* Modern Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.dashboard-header h1 {
    margin-bottom: 0.5rem;
}

.user-info p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.dashboard-actions {
    display: flex;
    gap: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.dashboard-section {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 1.75rem;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--light-gray);
}

.dashboard-section h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--light-gray);
    font-size: 1.5rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background-color: var(--lighter-gray);
    border-radius: var(--border-radius);
    color: var(--gray-color);
    border: 1px dashed var(--gray-light);
}

.empty-state p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    gap: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--light-gray);
}

.activity-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.activity-icon {
    background-color: var(--primary-light);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.activity-content {
    flex-grow: 1;
}

.activity-content p {
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--gray-color);
}

.success-message {
    background-color: #ecfdf5;
    color: #059669;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 2.5rem;
    border: 1px solid #d1fae5;
}

.success-message p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 1.75rem;
}

/* Modern Form Container */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--box-shadow-lg);
    border: 1px solid var(--light-gray);
}

.form-container h1 {
    margin-bottom: 2rem;
    font-size: 2.25rem;
    text-align: center;
    position: relative;
}

.form-container h1::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2.5rem;
}

/* Modern AI Suggestion */
.ai-suggestion {
    background-color: #f3f4f6;
    border-radius: var(--border-radius);
    padding: 1.75rem;
    margin-top: 2.5rem;
    border: 1px solid #e5e7eb;
    position: relative;
}

.ai-suggestion::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 20px;
    width: 20px;
    height: 20px;
    background-color: #f3f4f6;
    border-top: 1px solid #e5e7eb;
    border-left: 1px solid #e5e7eb;
    transform: rotate(45deg);
}

.ai-suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.ai-suggestion-header h3 {
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-dark);
}

.ai-suggestion-header h3::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='1.5' stroke='%236366f1' class='w-6 h-6'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M9.813 15.904L9 18.75l-.813-2.846a4.5 4.5 0 00-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 003.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 003.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 00-3.09 3.09zM18.259 8.715L18 9.75l-.259-1.035a3.375 3.375 0 00-2.455-2.456L14.25 6l1.036-.259a3.375 3.375 0 002.455-2.456L18 2.25l.259 1.035a3.375 3.375 0 002.456 2.456L21.75 6l-1.035.259a3.375 3.375 0 00-2.456 2.456zM16.894 20.567L16.5 21.75l-.394-1.183a2.25 2.25 0 00-1.423-1.423L13.5 18.75l1.183-.394a2.25 2.25 0 001.423-1.423l.394-1.183.394 1.183a2.25 2.25 0 001.423 1.423l1.183.394-1.183.394a2.25 2.25 0 00-1.423 1.423z' /%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.ai-placeholder {
    color: var(--gray-color);
    font-style: italic;
    padding: 1rem;
    background-color: #fff;
    border-radius: var(--border-radius-sm);
    border: 1px solid #e5e7eb;
}

.loading {
    color: var(--gray-color);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius-sm);
    border: 1px solid #e5e7eb;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 3px solid var(--light-gray);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.suggestion-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.suggestion-item {
    padding: 1.5rem;
    background-color: white;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.suggestion-item h4 {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
}

.suggestion-item p {
    color: var(--gray-dark);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Modern Footer */
footer {
    background-color: var(--dark-color);
    color: #f1f5f9;
    padding: 4rem 1.5rem 1.5rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a::before {
    content: '→';
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.footer-section ul li a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-section ul li a:hover::before {
    transform: translateX(3px);
}

.copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: #94a3b8;
    max-width: 1200px;
    margin: 0 auto;
}

/* Modern Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 3.5rem 1.5rem;
        min-height: 500px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dashboard-actions {
        width: 100%;
    }
    
    .dashboard-actions .btn {
        flex: 1;
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .auth-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 576px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    nav ul {
        width: 100%;
        justify-content: space-between;
        margin-top: 0.5rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .idea-stats {
        flex-wrap: wrap;
    }
}

/* Modern Icons - SVG based */
.icon-up::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M14.707 12.707a1 1 0 01-1.414 0L10 9.414l-3.293 3.293a1 1 0 01-1.414-1.414l4-4a1 1 0 011.414 0l4 4a1 1 0 010 1.414z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.icon-down::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.icon-comment::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M18 10c0 3.866-3.582 7-8 7a8.841 8.841 0 01-4.083-.98L2 17l1.338-3.123C2.493 12.767 2 11.434 2 10c0-3.866 3.582-7 8-7s8 3.134 8 7zM7 9H5v2h2V9zm8 0h-2v2h2V9zM9 9h2v2H9V9z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.icon-eye::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath d='M10 12a2 2 0 100-4 2 2 0 000 4z' /%3E%3Cpath fill-rule='evenodd' d='M.458 10C1.732 5.943 5.522 3 10 3s8.268 2.943 9.542 7c-1.274 4.057-5.064 7-9.542 7S1.732 14.057.458 10zM14 10a4 4 0 11-8 0 4 4 0 018 0z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.icon-vote::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath d='M2 10.5a1.5 1.5 0 113 0v6a1.5 1.5 0 01-3 0v-6zM6 10.333v5.43a2 2 0 001.106 1.79l.05.025A4 4 0 008.943 18h5.416a2 2 0 001.962-1.608l1.2-6A2 2 0 0015.56 8H12V4a2 2 0 00-2-2 1 1 0 00-1 1v.667a4 4 0 01-.8 2.4L6.8 7.933a4 4 0 00-.8 2.4z' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.icon-tag::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M17.707 9.293a1 1 0 010 1.414l-7 7a1 1 0 01-1.414 0l-7-7A.997.997 0 012 10V5a3 3 0 013-3h5c.256 0 .512.098.707.293l7 7zM5 6a1 1 0 100-2 1 1 0 000 2z' clip-rule='evenodd' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}