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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-color: #00ffff;
    --success-color: #00ff88;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.3);
    --border-radius: 16px;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced 3D Background Effects */
.background-3d {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(0, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(102, 126, 234, 0.4), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 0, 255, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 0, 0.2), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: floatParticles 25s linear infinite;
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    animation: gridPulse 6s ease-in-out infinite;
}

@keyframes floatParticles {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-100vh) rotate(360deg); }
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Enhanced Header 3D */
.header-3d {
    text-align: center;
    margin-bottom: 4rem;
    perspective: 1000px;
}

.title-3d {
    display: flex;
    flex-direction: column;
    align-items: center;
    transform-style: preserve-3d;
    animation: titleFloat 8s ease-in-out infinite;
}

.title-primary {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: linear-gradient(45deg, #00ffff, #667eea, #764ba2, #00ffff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 4s ease-in-out infinite;
    text-shadow: 0 0 40px rgba(0, 255, 255, 0.3);
    transform: translateZ(60px);
    letter-spacing: -0.02em;
}

.title-secondary {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text-secondary);
    margin-top: 0.8rem;
    transform: translateZ(30px);
    font-weight: 400;
}

@keyframes titleFloat {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg); }
    25% { transform: rotateX(3deg) rotateY(-1deg); }
    50% { transform: rotateX(0deg) rotateY(0deg); }
    75% { transform: rotateX(-3deg) rotateY(1deg); }
}

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

/* Logo Integration Styles */
.logo-container {
    margin-bottom: 1rem;
    perspective: 1000px;
}

.smartnest-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.4));
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: logoFloat 4s ease-in-out infinite;
    transform-style: preserve-3d;
}

.smartnest-logo:hover {
    transform: rotateY(15deg) rotateX(5deg) scale(1.1);
    filter: drop-shadow(0 0 30px rgba(0, 255, 255, 0.6)) brightness(1.2);
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px) rotateZ(0deg); }
    25% { transform: translateY(-8px) rotateZ(1deg); }
    50% { transform: translateY(0px) rotateZ(0deg); }
    75% { transform: translateY(-4px) rotateZ(-1deg); }
}

/* Enhanced Login Container */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    perspective: 1200px;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 480px;
    transform-style: preserve-3d;
    animation: cardFloat 8s ease-in-out infinite;
    box-shadow: var(--shadow-heavy);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.login-card:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(1deg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

@keyframes cardFloat {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) translateZ(0px); }
    25% { transform: rotateX(2deg) rotateY(-1deg) translateZ(10px); }
    50% { transform: rotateX(0deg) rotateY(0deg) translateZ(5px); }
    75% { transform: rotateX(-2deg) rotateY(1deg) translateZ(10px); }
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    margin-bottom: 1.5rem;
    text-align: center;
}

.login-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.5));
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: loginLogoGlow 3s ease-in-out infinite;
}

.login-logo-img:hover {
    transform: scale(1.15) rotateY(10deg);
    filter: drop-shadow(0 0 25px rgba(0, 255, 255, 0.8)) brightness(1.3);
}

@keyframes loginLogoGlow {
    0%, 100% { filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.5)) brightness(1); }
    50% { filter: drop-shadow(0 0 25px rgba(0, 255, 255, 0.8)) brightness(1.1); }
}

.login-header h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    font-weight: 600;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

/* Google Sign-In Button */
.google-signin-btn {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: #ffffff;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    color: #3c4043;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.google-signin-btn:hover:not(:disabled) {
    transform: translateY(-2px) translateZ(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.2);
}

.google-signin-btn:active {
    transform: translateY(0px) translateZ(2px);
}

.google-signin-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.google-btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.google-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.google-btn-text {
    font-weight: 500;
    color: #3c4043;
}

/* Login Divider */
.login-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    gap: 1rem;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.divider-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    font-weight: 400;
    padding: 0 0.5rem;
}

/* Enhanced Input Groups */
.input-group {
    position: relative;
    margin-bottom: 2rem;
}

.input-group input {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
    transform: translateY(-2px);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
}

.input-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), #667eea);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: 1px;
}

.input-group input:focus + .input-border {
    width: 100%;
}

/* Enhanced Login Button */
.login-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, #667eea 100%);
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
    box-shadow: var(--shadow-light);
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-3px) translateZ(10px);
    box-shadow: 0 15px 40px rgba(0, 255, 255, 0.3);
}

.login-btn:active {
    transform: translateY(-1px) translateZ(5px);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.login-btn:hover .btn-glow {
    left: 100%;
}

/* Enhanced Dashboard */
.dashboard-container {
    display: none;
    animation: dashboardEntrance 0.8s cubic-bezier(0.23, 1, 0.320, 1) forwards;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.dashboard-logo {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.dashboard-logo-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 255, 255, 0.4));
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: dashboardLogoPulse 4s ease-in-out infinite;
}

.dashboard-logo-img:hover {
    transform: scale(1.2) rotateZ(5deg);
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.7)) brightness(1.2);
}

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

.welcome-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.welcome-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

/* User Info Section */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
}

.user-avatar {
    position: relative;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-color), #667eea);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.85rem;
}


/* Avatar row - keeps avatar and details side by side always */
.user-avatar-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}
/* Enhanced Relay Grid */
.relay-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    perspective: 1000px;
}

.relay-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
    overflow: hidden;
    animation: cardEntry 0.6s ease-out forwards;
    animation-delay: calc(var(--card-index, 0) * 0.1s);
    opacity: 0;
    transform: translateY(60px) rotateX(15deg);
    box-shadow: var(--shadow-light);
}

.relay-card:nth-child(1) { --card-index: 1; }
.relay-card:nth-child(2) { --card-index: 2; }
.relay-card:nth-child(3) { --card-index: 3; }
.relay-card:nth-child(4) { --card-index: 4; }

@keyframes cardEntry {
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

.relay-card:hover {
    transform: translateY(-12px) rotateX(3deg) rotateY(2deg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 255, 255, 0.15);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 255, 255, 0.08), rgba(102, 126, 234, 0.08));
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
    border-radius: 24px;
}

.relay-card:hover .card-glow {
    opacity: 1;
}

.card-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* Enhanced Relay Icon */
.relay-icon {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    animation: rotateCircle 12s linear infinite;
}

.icon-circle::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid transparent;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: rotateCircle 4s linear infinite reverse;
}

.relay-number {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--accent-color);
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.6);
    z-index: 1;
    position: relative;
}

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

.relay-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Enhanced Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.status-text {
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.status-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #666;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    position: relative;
}

.status-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: inherit;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.6;
}

.status-dot.on {
    background: var(--success-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
    animation: pulseGreen 2.5s ease-in-out infinite;
}

.status-dot.off {
    background: var(--danger-color);
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.4);
}

@keyframes pulseGreen {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
    }
    50% { 
        transform: scale(1.3); 
        box-shadow: 0 0 30px rgba(0, 255, 136, 0.8);
    }
}

/* Enhanced Toggle Button */
.toggle-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
    box-shadow: var(--shadow-light);
}

.toggle-btn:hover:not(:disabled) {
    transform: translateY(-3px) translateZ(8px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.toggle-btn:active {
    transform: translateY(-1px) translateZ(4px);
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--success-color) 0%, #00cc66 100%);
}

.toggle-btn.active:hover:not(:disabled) {
    box-shadow: 0 12px 30px rgba(0, 255, 136, 0.4);
}

.toggle-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-ripple {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.toggle-btn:hover .btn-ripple {
    left: 100%;
}

/* Enhanced Control Actions */
.control-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.action-btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    min-width: 180px;
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-light);
}

.action-btn.danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #e74c3c 100%);
}

.action-btn.danger:hover:not(:disabled) {
    transform: translateY(-4px) translateZ(12px);
    box-shadow: 0 15px 40px rgba(255, 71, 87, 0.4);
}

.action-btn.secondary {
    background: linear-gradient(135deg, #555 0%, #777 100%);
}

.action-btn.secondary:hover:not(:disabled) {
    transform: translateY(-4px) translateZ(12px);
    box-shadow: 0 15px 40px rgba(85, 85, 85, 0.4);
}

.action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    transition: var(--transition-fast);
}

.action-btn:hover .btn-icon {
    transform: scale(1.1);
}

/* Enhanced Footer */
.footer-3d {
    text-align: center;
    margin-top: 5rem;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    margin-bottom: 0.5rem;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.3));
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0.8;
}

.footer-logo-img:hover {
    transform: scale(1.1) rotateY(15deg);
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.6));
    opacity: 1;
}

.footer-3d p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-subtitle {
    font-size: 0.85rem;
    opacity: 0.6;
}

.creator-name {
    color: var(--accent-color);
    font-weight: 600;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

/* Enhanced Status Change Animation */
@keyframes statusChange {
    0% { 
        transform: scale(1); 
        filter: brightness(1);
    }
    50% { 
        transform: scale(1.02); 
        filter: brightness(1.1);
        box-shadow: 0 0 40px rgba(0, 255, 255, 0.3);
    }
    100% { 
        transform: scale(1); 
        filter: brightness(1);
    }
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .relay-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
        margin: 1rem;
        border-radius: 20px;
    }

    .control-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .action-btn {
        width: 100%;
        max-width: 320px;
    }

    .dashboard-header {
        flex-direction: column;
        text-align: center;
    }

    .user-info {
        order: -1;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 1rem;
    }

    .user-details {
        flex: 1;
    }

    .user-name {
        font-size: 1rem;
        font-weight: 700;
        word-break: break-word;
        white-space: normal;
    }

    .user-email {
        font-size: 0.85rem;
        word-break: break-all;
        white-space: normal;
    }

    .user-info #logoutBtn {
        width: 100%;
        justify-content: center;
        min-width: unset;
        padding: 0.85rem 1rem;
    }

    .smartnest-logo {
        width: 90px;
        height: 90px;
    }
    
    .login-logo-img {
        width: 60px;
        height: 60px;
    }
    
    .dashboard-logo {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .dashboard-logo-img {
        width: 50px;
        height: 50px;
    }
    
    .footer-logo-img {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .relay-card {
        padding: 2rem 1.5rem;
    }

    .relay-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.5rem;
    }

    .relay-number {
        font-size: 1.8rem;
    }

    .login-btn,
    .toggle-btn {
        padding: 1rem;
    }

    .user-info {
        padding: 0.6rem 0.8rem;
    }

    .user-avatar {
        width: 40px;
        height: 40px;
    }

    .user-name {
        font-size: 0.9rem;
    }

    .user-email {
        font-size: 0.8rem;
    }
}

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

/* Enhanced Focus States for Accessibility */
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Performance optimizations */
.smartnest-logo,
.login-logo-img,
.dashboard-logo-img,
.footer-logo-img,
.relay-card,
.toggle-btn,
.action-btn,
.login-btn,
.google-signin-btn {
    will-change: transform, opacity;
    backface-visibility: hidden;
    transform-style: preserve-3d;
}