@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

:root {
    /* Fonts */
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;

    /* Theme Colors (Default Day) */
    --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 40%, #fed7aa 100%);
    --room-bg: rgba(255, 255, 255, 0.35);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --shadow-color: rgba(15, 23, 42, 0.08);
    --border-color: rgba(255, 255, 255, 0.5);

    /* Glassmorphism settings */
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    /* AC State Glows */
    --glow-cool: 0 0 15px rgba(14, 165, 233, 0.6);
    --glow-heat: 0 0 15px rgba(249, 115, 22, 0.6);
    --glow-eco: 0 0 15px rgba(34, 197, 94, 0.6);
    --glow-dry: 0 0 15px rgba(168, 85, 247, 0.6);
    --glow-fan: 0 0 15px rgba(100, 116, 139, 0.4);

    /* Transition */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sunset Theme */
[data-theme="sunset"] {
    --bg-gradient: linear-gradient(135deg, #fda4af 0%, #f472b6 30%, #701a75 100%);
    --room-bg: rgba(255, 255, 255, 0.2);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --border-color: rgba(255, 255, 255, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

/* Night Theme */
[data-theme="night"] {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #311042 100%);
    --room-bg: rgba(15, 23, 42, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(15, 23, 42, 0.5);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    overflow-x: hidden;
}

header {
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #0284c7, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="sunset"] .brand h1,
[data-theme="night"] .brand h1 {
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Multiplayer Room Selector Styling */
.room-selector-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.room-selector-header input {
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    width: 100px;
    transition: var(--transition);
    text-align: center;
}

.room-selector-header input:focus {
    width: 140px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    transition: var(--transition);
}

.status-dot.offline {
    background: #ef4444; /* red */
    box-shadow: 0 0 8px #ef4444;
}

.status-dot.connecting {
    background: #f59e0b; /* orange */
    box-shadow: 0 0 8px #f59e0b;
    animation: pulse 1s infinite alternate;
}

.status-dot.connected {
    background: #10b981; /* green */
    box-shadow: 0 0 8px #10b981;
}

.users-count {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.4);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 0.25rem;
    font-family: var(--font-mono);
}

[data-theme="night"] .users-count {
    background: rgba(0,0,0,0.3);
}

.controls-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    width: 40px;
    height: 40px;
}

.btn-icon:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.3);
}

.theme-selector {
    display: flex;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.25rem;
    border-radius: 20px;
    gap: 0.25rem;
}

.theme-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-btn.active {
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="night"] .theme-btn.active {
    background: rgba(255, 255, 255, 0.2);
}

/* Page Layout Wrapper with Sidebars */
.app-layout {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
}

.sidebar-left {
    position: fixed;
    left: 20px;
    top: 120px;
    width: 160px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-right {
    position: fixed;
    right: 20px;
    top: 120px;
    width: 160px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.ad-slot-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.6;
}

.ad-wrapper-skyscraper {
    width: 160px;
    height: 600px;
    background: rgba(255,255,255,0.1);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.ad-wrapper-skyscraper-half {
    width: 160px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.main-content-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Ad Banners styling */
.ad-top-wrapper {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    width: 100%;
}

.ad-mid-wrapper {
    margin: 2rem 0;
    display: flex;
    justify-content: center;
    width: 100%;
}

.ad-native-wrapper {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 900px;
}

.ad-square-wrapper {
    width: 300px;
    height: 250px;
    background: rgba(255,255,255,0.1);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 0.5rem;
}

/* Desktop vs Mobile Ad display toggles */
.ad-desktop-only {
    display: block;
}
.ad-mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .ad-desktop-only {
        display: none;
    }
    .ad-mobile-only {
        display: block;
    }
}

/* Hide Skyscraper Sidebars on smaller screens */
@media (max-width: 1560px) {
    .sidebar-left, .sidebar-right {
        display: none;
    }
}

/* App Container Layout */
main {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    padding: 2rem 0;
    align-items: start;
}

@media (max-width: 1150px) {
    main {
        grid-template-columns: 1fr;
        padding: 1.5rem 0;
        gap: 1.5rem;
    }
}

/* Left Room Section */
.room-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--room-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 3rem 2rem 2rem;
    height: 100%;
    min-height: 500px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

/* Split Air Conditioner Unit Styling */
.ac-unit-wrapper {
    position: relative;
    width: 100%;
    max-width: 580px;
    margin-bottom: 4rem;
}

.ac-unit {
    position: relative;
    width: 100%;
    height: 140px;
    background: linear-gradient(to bottom, #ffffff 0%, #f1f5f9 60%, #e2e8f0 100%);
    border-radius: 12px 12px 18px 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08), 
                inset 0 2px 2px rgba(255, 255, 255, 0.8),
                inset 0 -6px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #cbd5e1;
    z-index: 5;
    transition: var(--transition);
}

/* AC LED display */
.ac-display {
    position: absolute;
    right: 50px;
    top: 35px;
    background: #000;
    color: #475569; /* off color */
    font-family: var(--font-mono);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 1.25rem;
    text-align: right;
    width: 85px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8);
    transition: var(--transition);
}

.ac-unit.on .ac-display {
    color: #0ea5e9;
    text-shadow: var(--glow-cool);
}

.ac-unit.on[data-mode="heat"] .ac-display {
    color: #f97316;
    text-shadow: var(--glow-heat);
}

.ac-unit.on[data-mode="eco"] .ac-display {
    color: #22c55e;
    text-shadow: var(--glow-eco);
}

.ac-unit.on[data-mode="dry"] .ac-display {
    color: #a855f7;
    text-shadow: var(--glow-dry);
}

.ac-unit.on[data-mode="fan"] .ac-display {
    color: #e2e8f0;
    text-shadow: var(--glow-fan);
}

/* AC flap/deflector */
.ac-flap {
    position: absolute;
    bottom: -2px;
    left: 4%;
    width: 92%;
    height: 12px;
    background: linear-gradient(to bottom, #e2e8f0, #cbd5e1);
    border-radius: 0 0 6px 6px;
    border: 1px solid #94a3b8;
    transform-origin: top center;
    transform: rotateX(0deg);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 6;
}

.ac-unit.on .ac-flap {
    transform: rotateX(50deg);
}

.ac-unit.on.swing .ac-flap {
    animation: ac-swing 3s ease-in-out infinite alternate;
}

@keyframes ac-swing {
    0% { transform: rotateX(30deg); }
    100% { transform: rotateX(75deg); }
}

/* Logo mark on AC */
.ac-brand-logo {
    position: absolute;
    left: 40px;
    bottom: 25px;
    font-size: 0.75rem;
    font-weight: 500;
    color: #94a3b8;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Intake grill at the top */
.ac-intake {
    position: absolute;
    top: 0;
    left: 5%;
    width: 90%;
    height: 8px;
    background: repeating-linear-gradient(90deg, #94a3b8, #94a3b8 2px, transparent 2px, transparent 6px);
    opacity: 0.3;
}

/* Wind Breeze Animation */
.wind-container {
    position: absolute;
    top: 138px;
    left: 8%;
    width: 84%;
    height: 160px;
    pointer-events: none;
    overflow: hidden;
    z-index: 4;
    display: flex;
    justify-content: space-around;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.ac-unit.on ~ .wind-container {
    opacity: 1;
}

.wind-line {
    width: 2px;
    background: linear-gradient(to bottom, rgba(14, 165, 233, 0.4), transparent);
    height: 100%;
    transform: translateY(-100%);
    animation: wind-flow 1.5s infinite linear;
}

.ac-unit.on[data-mode="heat"] ~ .wind-container .wind-line {
    background: linear-gradient(to bottom, rgba(249, 115, 22, 0.4), transparent);
}

.ac-unit.on[data-mode="eco"] ~ .wind-container .wind-line {
    background: linear-gradient(to bottom, rgba(34, 197, 94, 0.4), transparent);
}

.ac-unit.on[data-mode="dry"] ~ .wind-container .wind-line {
    background: linear-gradient(to bottom, rgba(168, 85, 247, 0.4), transparent);
}

.ac-unit.on[data-mode="fan"] ~ .wind-container .wind-line {
    background: linear-gradient(to bottom, rgba(226, 232, 240, 0.4), transparent);
}

.wind-line:nth-child(1) { animation-delay: 0.2s; animation-duration: 1.2s; }
.wind-line:nth-child(2) { animation-delay: 0.8s; animation-duration: 1.6s; }
.wind-line:nth-child(3) { animation-delay: 0.5s; animation-duration: 1.4s; }
.wind-line:nth-child(4) { animation-delay: 1.1s; animation-duration: 1.1s; }
.wind-line:nth-child(5) { animation-delay: 0.1s; animation-duration: 1.5s; }
.wind-line:nth-child(6) { animation-delay: 0.6s; animation-duration: 1.3s; }

/* Dynamic speed animation control */
.ac-unit.on.speed-low ~ .wind-container .wind-line {
    animation-duration: 2.2s;
    opacity: 0.5;
}
.ac-unit.on.speed-medium ~ .wind-container .wind-line {
    animation-duration: 1.5s;
    opacity: 0.8;
}
.ac-unit.on.speed-high ~ .wind-container .wind-line {
    animation-duration: 0.8s;
    opacity: 1;
}
.ac-unit.on.speed-auto ~ .wind-container .wind-line {
    animation-duration: 1.3s;
    opacity: 0.75;
}

@keyframes wind-flow {
    0% {
        transform: translateY(-100%) skewX(-5deg);
        opacity: 0;
    }
    30% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(100%) skewX(-15deg);
        opacity: 0;
    }
}

/* Room Environment Status Display */
.status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 600px;
    margin-top: 1rem;
}

.status-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition);
}

.status-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.55);
}

[data-theme="night"] .status-card:hover {
    background: rgba(15, 23, 42, 0.7);
}

.status-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.status-unit {
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: 2px;
}

/* Sleeping Cat Vector Container */
.cat-container {
    position: relative;
    margin: 1.5rem auto 2.5rem;
    width: 120px;
    height: 80px;
    cursor: pointer;
    z-index: 5;
}

.cat-svg {
    width: 100%;
    height: 100%;
    transform-origin: bottom center;
}

/* Cat animation states */
.cat-body {
    transform-origin: center bottom;
    animation: cat-breathe 3s ease-in-out infinite alternate;
}

.cat-tail {
    transform-origin: 20% 80%;
    animation: cat-wag 4s ease-in-out infinite alternate;
}

.cat-z1, .cat-z2, .cat-z3 {
    opacity: 0;
    fill: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: bold;
}

.ac-unit.on ~ .cat-container .cat-z1 {
    animation: z-fly 3s infinite 0s;
}
.ac-unit.on ~ .cat-container .cat-z2 {
    animation: z-fly 3s infinite 1s;
}
.ac-unit.on ~ .cat-container .cat-z3 {
    animation: z-fly 3s infinite 2s;
}

@keyframes cat-breathe {
    0% { transform: scaleY(0.96) scaleX(1); }
    100% { transform: scaleY(1.04) scaleX(0.98); }
}

@keyframes cat-wag {
    0% { transform: rotate(-5deg); }
    100% { transform: rotate(15deg); }
}

@keyframes z-fly {
    0% { transform: translate(0, 0) scale(0.6); opacity: 0; }
    50% { opacity: 0.6; }
    100% { transform: translate(20px, -30px) scale(1.2); opacity: 0; }
}

/* Right Remote Control Section */
.remote-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.remote-and-ad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 320px;
}

.remote {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 3px solid #cbd5e1;
    border-radius: 32px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15), 
                inset 0 1px 1px #fff;
    width: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    transition: var(--transition);
}

[data-theme="night"] .remote {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-color: #334155;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 
                inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

/* Remote LCD Screen styling */
.remote-screen {
    background: #c2d6c2; /* Classic greenish LCD */
    border: 4px solid #94a3b8;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    color: #2b3a2b;
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.2), 
                0 2px 4px rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    height: 120px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

[data-theme="night"] .remote-screen {
    border-color: #475569;
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.4);
}

/* LCD Backlight when ON */
.remote-screen.backlight-active {
    background: #a5f3fc; /* Bright cyan glow */
    color: #083344;
    border-color: #06b6d4;
    box-shadow: inset 0 2px 6px rgba(6, 182, 212, 0.3), 
                0 0 15px rgba(6, 182, 212, 0.4);
}

.screen-top {
    display: flex;
    justify-space: space-between;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 500;
}

.screen-middle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
}

.screen-temp {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1;
    display: flex;
    align-items: flex-start;
}

.screen-temp-unit {
    font-size: 1.25rem;
    margin-top: 4px;
}

.screen-status-icons {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    font-size: 0.75rem;
}

.screen-bottom {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
}

/* Remote button grid */
.remote-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.btn-remote {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 16px;
    color: #334155;
    padding: 0.75rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.8),
                0 1px 2px rgba(0, 0, 0, 0.05);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease;
    user-select: none;
}

[data-theme="night"] .btn-remote {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn-remote:active {
    transform: translateY(2px);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.1),
                inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-remote:hover {
    background: #e2e8f0;
}

[data-theme="night"] .btn-remote:hover {
    background: #475569;
}

/* Power button highlighted */
.btn-remote.btn-power {
    background: #fecaca;
    border-color: #fca5a5;
    color: #991b1b;
}

[data-theme="night"] .btn-remote.btn-power {
    background: #7f1d1d;
    border-color: #991b1b;
    color: #fecaca;
}

.btn-remote.btn-power.active {
    background: #bbf7d0;
    border-color: #86efac;
    color: #166534;
}

[data-theme="night"] .btn-remote.btn-power.active {
    background: #14532d;
    border-color: #166534;
    color: #bbf7d0;
}

/* Temp adjustments spanning two columns */
.temp-controls {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-temp-adjust {
    height: 48px;
    font-size: 1.1rem;
    font-weight: 700;
}

/* Highlight active states in buttons */
.btn-remote.active-feature {
    background: #bae6fd;
    border-color: #7dd3fc;
    color: #0369a1;
}

[data-theme="night"] .btn-remote.active-feature {
    background: #0c4a6e;
    border-color: #0284c7;
    color: #e0f2fe;
}

.btn-icon-label {
    font-size: 1.1rem;
}

/* Dynamic Energy Label details */
.energy-label {
    background: #eab308;
    color: #000;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.energy-rating {
    background: #000;
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer details */
footer {
    padding: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    width: 100%;
}

footer a {
    color: inherit;
    text-decoration: underline;
}

/* Utility Animations */
.pulse-glow {
    animation: glow-pulse 2s infinite alternate;
}

@keyframes glow-pulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.2); opacity: 1; }
}