/* ============================================
   Life Coach Pro - Modern Styling System
   Version: 2.1
   ============================================ */

/* Import Theme Variables */
@import url('themes.css');

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

/* ============================================
   TABLE OF CONTENTS
   ============================================
   1. Base Styles
   2. Layout & Containers
   3. Navigation & Theme Controls
   4. Hero Section
   5. Quick Start Section
   6. Buttons
   7. Form Elements
   8. Cards & Features
   9. Calculator Components
   10. Chat Interface
   11. Dashboard Components
   12. Notifications & Alerts
   13. Footer
   14. Utility Classes
   15. Animations
   16. Responsive Design
   ============================================ */


/* ============================================
   1. BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.rtl {
    direction: rtl;
    text-align: right;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ============================================
   2. LAYOUT & CONTAINERS
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0 20px;
}

.page-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
    line-height: 1.2;
}

.page-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   3. NAVIGATION
   ============================================ */

.navbar {
    background: var(--background-secondary);
    box-shadow: var(--shadow-md);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo,
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform 0.2s ease;
    text-decoration: none;
}

.logo:hover,
.nav-brand:hover {
    transform: scale(1.02);
}

.logo i,
.nav-brand i {
    font-size: 2rem;
    color: var(--primary-color);
}

.nav-links,
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a,
.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.7rem 1.1rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-menu a:hover {
    background: var(--background-tertiary);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-links a.active,
.nav-menu a.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.dropdown-toggle i.fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    min-width: 240px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 1.2rem;
    color: var(--text-color);
    transition: all 0.2s ease;
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    transform: translateX(5px);
}

.dropdown-menu a.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding-left: 1.5rem;
}

.dropdown-menu a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

/* User Menu Dropdown */
.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu .user-greeting {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1rem;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1001;
    position: relative;
}

.user-menu .user-greeting:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.user-menu .dropdown {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    pointer-events: none;
}

/* Keep dropdown open when hovering over menu OR dropdown */
.user-menu:hover .dropdown,
.user-menu .dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Add a pseudo-element to bridge the gap */
.user-menu::before {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    height: 10px;
    background: transparent;
    z-index: 999;
}

.user-menu .dropdown a {
    display: block;
    padding: 0.8rem 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.user-menu .dropdown a:hover {
    background: var(--bg-hover);
    border-left-color: var(--primary-color);
    padding-left: 1.5rem;
}

.user-menu .dropdown a:last-child {
    color: #e74c3c;
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
}

.user-menu .dropdown a:last-child:hover {
    background: rgba(231, 76, 60, 0.1);
    border-left-color: #e74c3c;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.3s ease;
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

/* ============================================
   4. HERO SECTION
   ============================================ */

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.hero-stat p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Hero Floating Cards */
.hero-image {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
}

.floating-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s ease;
    animation: float 3s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    animation-delay: 0.5s;
    margin-top: 40px;
}

.floating-card:nth-child(3) {
    animation-delay: 1s;
    grid-column: 1 / 3;
    justify-self: center;
    max-width: 80%;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.floating-card i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.floating-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.floating-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.status-badge.success {
    background: linear-gradient(135deg, var(--success-color), #3DAF63);
    color: white;
}

.status-badge.warning {
    background: linear-gradient(135deg, var(--warning-color), #FF9800);
    color: white;
}

/* ============================================
   5. QUICK START SECTION
   ============================================ */

.quick-start-section {
    padding: 80px 0;
    background: var(--background-secondary);
}

.quick-start-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.start-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.start-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.start-card:hover::before {
    transform: scaleX(1);
}

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

.card-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
    transition: all 0.4s ease;
}

.nutrition-card .card-icon {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.1), rgba(255, 193, 7, 0.1));
    color: #FF9800;
}

.fitness-card .card-icon {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(66, 165, 245, 0.1));
    color: var(--primary-color);
}

.health-card .card-icon {
    background: linear-gradient(135deg, rgba(239, 83, 80, 0.1), rgba(244, 67, 54, 0.1));
    color: #EF5350;
}

.start-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.start-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.start-card > p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-features {
    list-style: none;
    margin-bottom: 25px;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.card-features li i {
    color: var(--success-color);
    font-size: 0.9rem;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.card-btn:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.card-btn i {
    transition: transform 0.3s ease;
}

.card-btn:hover i {
    transform: translateX(5px);
}

.quick-action-footer {
    text-align: center;
    padding: 30px;
    background: var(--background-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.quick-action-footer p {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.inline-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: all 0.3s ease;
}

.inline-link:hover {
    color: var(--primary-dark);
    text-decoration-thickness: 2px;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

/* ============================================
   5. BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn i {
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   6. FORM ELEMENTS
   ============================================ */

.form-container {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 13px 16px;
    border: 2px solid var(--input-border);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--input-focus-border);
    background: var(--input-bg);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    transform: translateY(-2px);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--background-tertiary);
}

.form-group small {
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
}

.form-group.error small {
    color: var(--error-color);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--success-color);
}

.form-actions {
    text-align: center;
    margin-top: 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   7. CARDS & FEATURES
   ============================================ */

.features,
.stats-section,
.cta-section {
    padding: 80px 0;
}

.stats-section {
    background: var(--background-color);
}

.cta-section {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

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

.stat-card i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.stat-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card,
.card {
    background: var(--card-bg);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover,
.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--card-hover-bg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3,
.card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.4rem;
}

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

/* ============================================
   8. CALCULATOR COMPONENTS
   ============================================ */

.calculator-section {
    padding: 60px 0;
    min-height: 70vh;
}

.calculator-header {
    text-align: center;
    margin-bottom: 40px;
}

.calculator-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.calculator-header h1 i {
    color: var(--primary-color);
}

.calculator-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.calculator-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.results-container {
    margin-top: 40px;
    animation: fadeInUp 0.5s ease;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.result-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.result-card h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 500;
}

.result-card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.result-card .unit {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.result-interpretation {
    margin-top: 30px;
    padding: 25px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.result-interpretation h4 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

.result-interpretation p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}

.result-interpretation ul {
    list-style-position: inside;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   9. CHAT INTERFACE
   ============================================ */

.chat-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 70vh;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--background-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: fadeInUp 0.3s ease;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.chat-message.user .chat-avatar {
    background: var(--secondary-color);
}

.chat-bubble {
    max-width: 70%;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    color: var(--text-color);
    line-height: 1.6;
}

.chat-message.user .chat-bubble {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.chat-input-container {
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    background: var(--input-bg);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.chat-send-btn {
    padding: 15px 30px;
    border-radius: var(--border-radius-lg);
}

/* ============================================
   10. DASHBOARD COMPONENTS
   ============================================ */

.dashboard-container {
    padding: 40px 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.dashboard-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.dashboard-card h3 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 15px 0;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.chart-container {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-top: 30px;
}

/* ============================================
   11. NOTIFICATIONS & ALERTS
   ============================================ */

.notification-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.notification {
    background: var(--card-bg);
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--error-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

.notification.info {
    border-left-color: var(--info-color);
}

.notification-icon {
    font-size: 1.5rem;
}

.notification.success .notification-icon {
    color: var(--success-color);
}

.notification.error .notification-icon {
    color: var(--error-color);
}

.notification-content {
    flex: 1;
    color: var(--text-color);
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0;
    transition: color 0.3s ease;
}

.notification-close:hover {
    color: var(--text-color);
}

/* ============================================
   12. FOOTER
   ============================================ */

footer, .footer {
    background: var(--background-secondary);
    padding: 60px 0 30px;
    margin-top: 80px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
    margin-bottom: 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.footer-brand i {
    font-size: 2rem;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.footer-section h3 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    line-height: 2;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--background-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* ============================================
   13. UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 50px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }
.p-5 { padding: 50px; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }

.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }
.gap-3 { gap: 30px; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ============================================
   14. ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fade-in { animation: fadeIn 0.5s ease; }
.fade-in-up { animation: fadeInUp 0.5s ease; }
.fade-in-down { animation: fadeInDown 0.5s ease; }

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   15. RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 968px) {
    .nav-menu { display: none; }
    .mobile-menu-toggle { display: block; }
    
    .nav-menu.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background-secondary);
        box-shadow: var(--shadow-xl);
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
        display: none;
    }
    
    .nav-dropdown.active .dropdown-menu { display: block; }
    
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-stats { grid-template-columns: 1fr; }
    .hero-image { order: -1; }
    
    .form-grid { grid-template-columns: 1fr; }
    .form-container { padding: 30px 20px; }
    
    .features-grid { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .quick-start-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    
    .chat-bubble { max-width: 85%; }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .page-header h1 { font-size: 2rem; }
    .section-title { font-size: 1.8rem; }
    .hero-title { font-size: 2rem; }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons { flex-direction: column; }
    .container { padding: 0 16px; }
    .results-grid { grid-template-columns: 1fr; }
    
    .notification-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }
    
    .floating-card {
        grid-column: 1 / -1 !important;
        max-width: 100% !important;
        margin-top: 0 !important;
    }
    
    .hero-image {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .cta-section p {
        font-size: 1rem;
    }
    }
}

/* END OF STYLESHEET */