:root {
    --primary: #00c6ff;
    --secondary: #0072ff;
    --accent: #ff9d00;
    --dark: #0a1929;
    --darker: #061222;
    --light: #f5f9ff;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --error: #ff3860;
    --success: #23d160;
    --muted: rgba(255, 255, 255, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: url('panels-electricity-order-sunlight.jpg.webp') no-repeat center center fixed;
    background-size: cover;
    color: var(--light);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Enhanced Background with Particles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

/* Particles Background */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(0, 198, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatParticle 20s infinite linear;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

#login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: transparent;
    padding: 20px;
}

/* Enhanced Login Box */
.login-box {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent);
    transition: left 0.6s;
}

.login-box:hover::before {
    left: 100%;
}

.login-logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

.login-main-logo {
    height: 80px;
    width: auto;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 15px rgba(0, 198, 255, 0.6));
    transition: filter 0.3s ease;
}

.login-main-logo:hover {
    filter: drop-shadow(0 0 20px rgba(0, 198, 255, 0.8));
}

.login-main-text {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(-45deg, #00c6ff, #0072ff, #ff9d00, #00c6ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
    white-space: nowrap;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.login-box p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.login-box input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 1rem;
    border: none;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    color: var(--light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 
        0 0 0 3px rgba(0, 198, 255, 0.2),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.login-box input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Enhanced Button Styles */
.btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 100%;
    margin-top: 0.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 15px rgba(0, 114, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 
        0 8px 25px rgba(0, 114, 255, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn:active {
    transform: translateY(-1px) scale(1.02);
}

.switch-auth-link {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.switch-auth-link a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.switch-auth-link a:hover {
    color: var(--accent);
}

#main-app {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
}

/* Enhanced Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    background: rgba(10, 25, 41, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(-45deg, #00c6ff, #0072ff, #ff9d00, #00c6ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientShift 8s ease infinite;
}

.header-logo-icon {
    height: 35px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 198, 255, 0.5));
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s ease;
}

.nav-toggle:hover {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.language-switcher select {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-switcher select:focus {
    border-color: var(--primary);
    outline: none;
}

/* Main content margin for fixed header */
main {
    width: 100%;
    margin-top: 70px;
}

.page-section {
    padding: 3rem 2rem;
    display: none;
    width: 100%;
    background: rgba(0, 0, 0, 0.1);
    min-height: calc(100vh - 70px);
}

.page-section.active {
    display: block;
    animation: fadeInUp 0.8s ease-out;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 1rem;
}

.section-logo-container {
    text-align: center;
    margin-bottom: 1rem;
}

.section-logo {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 198, 255, 0.5));
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(-45deg, #00c6ff, #0072ff, #ff9d00, #00c6ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    animation: gradientShift 8s ease infinite;
}

.home-hero {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-logo-icon {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 15px rgba(0, 198, 255, 0.6));
}

.home-hero h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 0;
    background: linear-gradient(-45deg, #00c6ff, #0072ff, #ff9d00, #00c6ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientShift 8s ease infinite;
}

.home-hero p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    justify-content: center;
}

/* Enhanced Feature Cards */
.feature-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.4), 
        transparent);
    z-index: 1;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 
        0 15px 40px rgba(0, 198, 255, 0.3),
        0 5px 15px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.5deg); }
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.4s;
}

.icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    color: var(--primary);
    filter: drop-shadow(0 0 10px rgba(0, 198, 255, 0.5));
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--light);
}

.feature-card p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.feature-card .btn {
    width: auto;
    margin: 0;
}

.info-gallery {
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    box-sizing: border-box;
}

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

/* Enhanced Gallery Cards */
.gallery-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    position: relative;
}

.gallery-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.4), 
        transparent);
    z-index: 1;
}

.gallery-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 
        0 15px 40px rgba(0, 198, 255, 0.3),
        0 5px 15px rgba(0, 0, 0, 0.3);
}

.gallery-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-card:hover img {
    transform: scale(1.05);
}

.gallery-details {
    padding: 20px;
    flex-grow: 1;
}

.gallery-details h3 {
    color: #fff;
    font-size: 18px;
    margin-top: 0;
    margin-bottom: 10px;
}

.gallery-details p {
    font-size: 14px;
    color: #b7d0e7;
    line-height: 1.6;
    margin-bottom: 0;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Enhanced Stat Cards */
.stat-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.4), 
        transparent);
    z-index: 1;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 
        0 10px 30px rgba(0, 198, 255, 0.2),
        0 5px 15px rgba(0, 0, 0, 0.3);
}

.stat-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
    font-weight: 500;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.map-container-large {
    height: 400px;
    background: var(--dark);
    border-radius: 20px;
    margin-bottom: 2rem;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--primary);
    box-shadow: 0 0 30px rgba(0, 198, 255, 0.2);
}

.map-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: rgba(255, 255, 255, 0.6);
}

.did-you-know {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 114, 255, 0.3);
}

.did-you-know h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.wrap {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    flex-wrap: wrap;
    width: 100%;
}

/* Enhanced Base Card Styling */
.card {
    flex: 1;
    max-width: 900px;
    min-width: 300px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(0, 198, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.4), 
        transparent);
    z-index: 1;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 15px 40px rgba(0, 198, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.surveyor-section {
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.small-text {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

.map-container-calculator {
    height: 300px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    margin: 1rem 0;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.row > div {
    flex: 1;
    min-width: 200px;
}

label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--light);
}

input,
select,
textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.2);
    transform: translateY(-2px);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.divider {
    border: none;
    height: 1px;
    background: var(--glass-border);
    margin: 1.5rem 0;
}

.mutebtn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 1px solid var(--glass-border);
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    backdrop-filter: blur(10px);
}

.mutebtn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.weather-info {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.button-group .btn,
.button-group .mutebtn {
    width: 100%;
}

/* Enhanced Results Section */
#results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    padding: 0;
    background: transparent;
}

.result-stat-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.result-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.1), 
        transparent);
    transition: left 0.6s;
}

.result-stat-card:hover::before {
    left: 100%;
}

.result-stat-card:hover {
    transform: translateY(-8px) scale(1.05);
    border-color: var(--primary);
    box-shadow: 
        0 15px 30px rgba(0, 198, 255, 0.2),
        0 5px 15px rgba(0, 0, 0, 0.3);
}

.result-stat-card svg {
    width: 36px;
    height: 36px;
    color: var(--primary);
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 0 8px rgba(0, 198, 255, 0.5));
}

.result-stat-card h3 {
    font-size: 1.7rem;
    color: var(--light);
    margin: 0 0 0.25rem 0;
    line-height: 1.2;
}

.result-stat-card p {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0;
}

.gamification-results-card {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.15), rgba(0, 114, 255, 0.15));
    border-radius: 16px;
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.gamification-results-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.gamification-results-card p {
    margin-bottom: 1rem;
}

.chart-container {
    position: relative;
    max-width: 450px;
    width: 100%;
    margin: 1.5rem auto 0;
}

.chat-log {
    height: 400px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid var(--glass-border);
}

.chat-message {
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    max-width: 80%;
    line-height: 1.5;
    transition: all 0.3s ease;
}

.bot-msg {
    background: rgba(0, 198, 255, 0.15);
    border-left: 3px solid var(--primary);
    margin-right: auto;
}

.user-msg {
    background: rgba(255, 157, 0, 0.15);
    border-right: 3px solid var(--accent);
    margin-left: auto;
}

.chat-input-row {
    display: flex;
    gap: 1rem;
}

.chat-input-row input {
    flex: 1;
}

.chat-input-row button {
    width: auto;
}

.explainer {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1rem;
    min-height: 200px;
    margin-bottom: 1rem;
    border: 1px solid var(--glass-border);
}

.speechArea {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.ai-visual-placeholder,
.ai-video-placeholder {
    height: 400px;
    background: var(--glass);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem auto;
    color: rgba(255, 255, 255, 0.6);
    border: 2px dashed var(--glass-border);
    max-width: 800px;
    backdrop-filter: blur(10px);
}

#aiVisual,
#aiVideo {
    width: 100%;
    border-radius: 20px;
    margin: 2rem auto;
    max-width: 800px;
    display: block;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.info-section {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    max-width: 500px;
    margin: 2rem auto 0;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

footer {
    text-align: center;
    padding: 2rem;
    background: rgba(10, 25, 41, 0.9);
    border-top: 1px solid var(--glass-border);
    margin-top: 3rem;
    width: 100%;
    backdrop-filter: blur(20px);
}

.message-box {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    background: var(--dark);
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateY(150px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    max-width: 90%;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.message-box.show {
    transform: translateY(0);
    opacity: 1;
}

.message-box.success {
    background: var(--success);
}

.message-box.error {
    background: var(--error);
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2rem;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--primary);
}

.colonist-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.plan-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
}

.plan-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.plan-card.mars {
    border-top: 4px solid #ff4d4d;
}

.plan-card.moon {
    border-top: 4px solid #c0c0c0;
}

.plan-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.plan-card p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.stat {
    margin-bottom: 1rem;
}

.stat h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.stat p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.7;
}

/* Enhanced FAQ Items */
.faq-item {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid var(--primary);
    box-shadow: 0 0 20px rgba(0, 198, 255, 0.15);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 198, 255, 0.25);
}

.faq-item h4 {
    color: var(--primary);
    margin-top: 0;
    margin-bottom: 0.5rem;
}

/* Enhanced Solar Panel Cards */
.panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.panel-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.panel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 198, 255, 0.4), 
        transparent);
    z-index: 1;
}

.panel-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 
        0 15px 40px rgba(0, 198, 255, 0.3),
        0 5px 15px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.panel-card h3 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.panel-card p {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.panel-card .price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
}

.panel-card .buy-link {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    display: block;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.panel-card .buy-link:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 198, 255, 0.4);
}

.loading-placeholder {
    color: var(--muted);
    font-size: 1.2rem;
    text-align: center;
    grid-column: 1 / -1;
    padding: 3rem;
}

.capacity-selector-group {
    margin-bottom: 2rem;
}

.capacity-selector-group label {
    font-size: 1.1rem;
    color: var(--primary);
}

#system-capacity-selector {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 12px;
    font-size: 1rem;
    color: var(--accent);
    width: 100%;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

#system-capacity-selector option {
    background-color: var(--dark);
    color: var(--accent);
}

#capacity-tips-container {
    padding: 1rem 0;
}

#capacity-tips-container h3 {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
    text-align: left;
}

#capacity-tips-text {
    font-size: 1rem;
    line-height: 1.5;
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.maintenance-checklist {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.maintenance-checklist li {
    background: var(--darker);
    border-left: 3px solid var(--primary);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.maintenance-checklist li:hover {
    background: rgba(10, 25, 41, 0.9);
    transform: translateX(5px);
}

.maintenance-checklist input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    min-width: 20px;
    accent-color: var(--success);
    cursor: pointer;
}

.annual-reminder-box {
    background: linear-gradient(135deg, rgba(0, 114, 255, 0.15), rgba(0, 198, 255, 0.15));
    border-left: 5px solid var(--secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    backdrop-filter: blur(10px);
}

.annual-reminder-box h3 {
    color: var(--light);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* Enhanced Typing Indicator */
#typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 10px 15px;
    align-self: flex-start;
    padding: 10px 15px;
    background: rgba(0, 198, 255, 0.1);
    border-radius: 12px;
    border-left: 3px solid var(--primary);
}

#typing-indicator .dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

#typing-indicator .dot:nth-child(2) {
    animation-delay: -0.16s;
}

#typing-indicator .dot:nth-child(3) {
    animation-delay: -0.32s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1.0);
    }
}

/* =========================================== */
/* CALCULATOR SECTION MOBILE FIXES - UPDATED */
/* =========================================== */

.calculator-section .container {
    padding: 0 1rem;
    max-width: 100%;
    width: 100%;
}

.calculator-section .wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
}

.calculator-section .card {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 1.5rem;
    box-sizing: border-box;
}

/* Mobile-specific calculator fixes */
@media (max-width: 768px) {
    .calculator-section .container {
        padding: 0 0.5rem;
    }
    
    .calculator-section .card {
        padding: 1.25rem;
        margin: 0;
        border-radius: 16px;
        min-width: unset;
        width: 100%;
    }
    
    .calculator-section .row {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 1rem;
        width: 100%;
    }
    
    .calculator-section .row > div {
        min-width: 100%;
        width: 100%;
        flex: 1 1 100%;
    }
    
    .calculator-section input,
    .calculator-section select,
    .calculator-section textarea {
        padding: 12px;
        font-size: 16px; /* Prevents zoom on iOS */
        width: 100%;
        box-sizing: border-box;
        max-width: 100%;
    }
    
    .calculator-section .button-group {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }
    
    .calculator-section .button-group .btn,
    .calculator-section .button-group .mutebtn {
        width: 100%;
        margin: 0;
        min-width: unset;
    }
    
    /* Fix for results grid on mobile */
    .calculator-section #results {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        width: 100%;
    }
    
    .calculator-section .result-stat-card {
        padding: 1rem 0.75rem;
        min-width: unset;
    }
    
    .calculator-section .result-stat-card h3 {
        font-size: 1.3rem;
    }
    
    .calculator-section .result-stat-card p {
        font-size: 0.8rem;
    }
    
    /* Map container fix */
    .calculator-section .map-container-calculator {
        height: 250px;
        margin: 0.75rem 0;
        width: 100%;
    }
    
    /* Capacity selector fix */
    .calculator-section #system-capacity-selector {
        font-size: 16px; /* Prevents zoom */
        width: 100%;
    }
    
    /* Section title fix */
    .calculator-section .section-title {
        font-size: 1.8rem;
        line-height: 1.3;
        word-wrap: break-word;
    }
    
    /* Ensure no horizontal scroll */
    .calculator-section {
        overflow-x: hidden;
        width: 100%;
    }
    
    .calculator-section .container {
        overflow-x: hidden;
    }
}

@media (max-width: 480px) {
    .calculator-section .card {
        padding: 1rem;
        margin: 0.5rem 0;
    }
    
    .calculator-section #results {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .calculator-section .result-stat-card {
        padding: 1rem;
    }
    
    .calculator-section .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .calculator-section .lead {
        font-size: 1rem;
        margin-bottom: 1rem;
        line-height: 1.4;
    }
    
    /* Fix for form elements on very small screens */
    .calculator-section input,
    .calculator-section select,
    .calculator-section textarea {
        padding: 14px 12px;
        font-size: 16px;
        width: 100%;
    }
    
    /* Button size adjustment */
    .calculator-section .btn {
        padding: 14px 20px;
        font-size: 16px;
        width: 100%;
    }
    
    /* Ensure all content fits */
    .calculator-section * {
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* Specific fix for iOS devices */
@supports (-webkit-touch-callout: none) {
    .calculator-section input,
    .calculator-section select,
    .calculator-section textarea {
        font-size: 16px; /* Prevents zoom */
    }
}

/* Fix for horizontal scrolling issues */
.calculator-section {
    overflow-x: hidden;
    width: 100%;
}

.calculator-section .container {
    overflow-x: hidden;
    width: 100%;
}

/* Ensure all calculator content fits within viewport */
.calculator-section * {
    max-width: 100%;
}

/* Fix for select dropdown text color */
.calculator-section select option {
    background: var(--dark);
    color: var(--accent);
}

/* Loading state improvements */
.calculator-section .loading-placeholder {
    padding: 2rem 1rem;
    font-size: 1.1rem;
    text-align: center;
    width: 100%;
}

/* Enhanced Responsive Design - General */
@media (max-width: 900px) {
    .wrap {
        flex-direction: column;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        background: rgba(10, 25, 41, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left 0.3s ease;
        z-index: 999;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: block;
    }

    .home-hero h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .login-main-text {
        font-size: 2rem;
    }
    
    .page-section {
        padding: 2rem 1rem;
    }
}

@media (max-width: 600px) {
    .header {
        padding: 1rem;
    }

    .page-section {
        padding: 2rem 1rem;
    }

    .home-hero h1 {
        font-size: 1.8rem;
    }

    .home-hero p {
        font-size: 1rem;
    }

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

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .row {
        flex-direction: column;
        gap: 1rem;
    }

    .chat-input-row {
        flex-direction: column;
    }

    .colonist-plans {
        grid-template-columns: 1fr;
    }

    .login-box {
        padding: 1.5rem;
        margin: 1rem;
    }

    .card {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    #results {
        grid-template-columns: repeat(2, 1fr);
    }

    .result-stat-card h3 {
        font-size: 1.4rem;
    }

    .button-group {
        flex-direction: column;
    }

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

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: rgba(0, 198, 255, 0.3);
    color: var(--light);
}

::-moz-selection {
    background: rgba(0, 198, 255, 0.3);
    color: var(--light);
}

/* Prevent horizontal scroll on entire app */
body {
    overflow-x: hidden;
    width: 100%;
}

#main-app {
    overflow-x: hidden;
    width: 100%;
}

/* Additional fixes for better mobile experience */
@media (max-width: 768px) {
    main {
        margin-top: 60px;
    }
    
    .page-section {
        min-height: calc(100vh - 60px);
        padding: 1.5rem 1rem;
    }
    
    .header {
        padding: 0.5rem 1rem;
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
}

/* Fix for backdrop-filter support */
@supports not (backdrop-filter: blur(10px)) {
    .login-box,
    .card,
    .feature-card,
    .stat-card,
    .gallery-card,
    .panel-card,
    .modal-content,
    .message-box {
        background: rgba(10, 25, 41, 0.95);
    }
}