/* ========================================
   BEEA HVAC Survey - Cyberpunk Theme CSS
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Cyberpunk */
    --neon-purple: #9d4edd;
    --neon-purple-light: #c77dff;
    --neon-purple-dark: #7b2cbf;
    --neon-orange: #ff6d00;
    --neon-orange-light: #ff9e00;
    --neon-orange-dark: #e65100;
    --navy-blue: #0a1628;
    --navy-blue-light: #132238;
    --navy-blue-dark: #050d17;
    
    /* Accent Colors */
    --cyan-accent: #00f5ff;
    --red-warning: #ff3366;
    --green-success: #00ff88;
    
    /* Text Colors */
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #606060;
    
    /* Background */
    --bg-dark: #0a0a0f;
    --bg-card: rgba(20, 25, 45, 0.85);
    --bg-overlay: rgba(10, 22, 40, 0.95);
    
    /* Borders */
    --border-glow: 1px solid rgba(157, 78, 221, 0.3);
    --border-active: 2px solid var(--neon-purple);
    
    /* Shadows */
    --glow-purple: 0 0 20px rgba(157, 78, 221, 0.5);
    --glow-orange: 0 0 20px rgba(255, 109, 0, 0.5);
    --glow-cyan: 0 0 20px rgba(0, 245, 255, 0.5);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========================================
   Cyberpunk Background Effects
   ======================================== */

.cyber-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(157, 78, 221, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(157, 78, 221, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.scanlines {
    position: absolute;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

.aurora {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 109, 0, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(0, 245, 255, 0.08) 0%, transparent 45%);
    animation: auroraMove 30s ease-in-out infinite;
}

@keyframes auroraMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, -1%) rotate(-1deg); }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--neon-purple-light);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
    opacity: 0;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* ========================================
   Language Toggle
   ======================================== */

.lang-toggle {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 1000;
    display: flex;
    gap: 2px;
    background: var(--bg-card);
    padding: 4px;
    border-radius: 8px;
    border: var(--border-glow);
}

.lang-btn {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.lang-btn:hover {
    color: var(--text-primary);
}

.lang-btn.active {
    background: var(--neon-purple);
    color: white;
    box-shadow: var(--glow-purple);
}

/* ========================================
   Screens
   ======================================== */

.screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    overflow-y: auto;
}

.screen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   Welcome Screen
   ======================================== */

.welcome-content {
    text-align: center;
    padding: var(--space-xl);
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out;
}

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

.logo-container {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(157, 78, 221, 0.3) 0%, transparent 70%);
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    background: linear-gradient(135deg, var(--neon-purple-light), var(--neon-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(157, 78, 221, 0.5);
    position: relative;
}

.logo-subtitle {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
    margin-top: var(--space-sm);
}

.welcome-info h2 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.welcome-hint {
    color: var(--cyan-accent);
    font-size: 0.95rem;
    margin-bottom: var(--space-xl);
}

.welcome-steps {
    list-style: none;
    text-align: left;
    margin: 0 auto var(--space-xl);
    max-width: 400px;
}

.welcome-steps li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(157, 78, 221, 0.1);
}

.step-icon {
    font-size: 1.3rem;
}

/* ========================================
   Cyber Buttons
   ======================================== */

.cyber-btn {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 1rem 2.5rem;
    border: 2px solid var(--neon-purple);
    background: transparent;
    color: var(--neon-purple-light);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(157, 78, 221, 0.3), transparent);
    transition: var(--transition-normal);
}

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

.cyber-btn:hover {
    background: rgba(157, 78, 221, 0.1);
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
}

.cyber-btn.primary {
    background: linear-gradient(135deg, var(--neon-purple-dark), var(--neon-purple));
    color: white;
}

.cyber-btn.primary:hover {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-purple-light));
}

.cyber-btn.secondary {
    border-color: var(--neon-orange);
    color: var(--neon-orange);
}

.cyber-btn.secondary:hover {
    background: rgba(255, 109, 0, 0.1);
    box-shadow: var(--glow-orange);
}

.cyber-btn.submit {
    width: 100%;
    margin-top: var(--space-md);
}

.cyber-btn.add-btn {
    width: 100%;
    margin-top: var(--space-md);
    border-style: dashed;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-icon {
    font-size: 1.2rem;
}

.cyber-btn.link-btn {
    border: none;
    padding: var(--space-md);
    color: var(--text-secondary);
    text-decoration: underline;
}

.cyber-btn.link-btn:hover {
    color: var(--neon-purple-light);
    background: transparent;
    box-shadow: none;
}

.cyber-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Login Screen
   ======================================== */

.login-container {
    text-align: center;
    padding: var(--space-xl);
    max-width: 400px;
    animation: fadeInUp 0.5s ease-out;
}

.login-header {
    margin-bottom: var(--space-xl);
}

.cyber-lock {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    position: relative;
}

.lock-icon {
    width: 100%;
    height: 100%;
    fill: var(--neon-purple);
    filter: drop-shadow(0 0 10px rgba(157, 78, 221, 0.5));
    animation: lockPulse 2s ease-in-out infinite;
}

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

.login-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--neon-purple-light);
}

.timer-display {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(157, 78, 221, 0.1);
    border-radius: 10px;
    border: var(--border-glow);
}

.timer-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--cyan-accent);
    display: block;
    text-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
}

.timer-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.3em;
}

.timer-display.warning .timer-value {
    color: var(--red-warning);
    animation: timerShake 0.1s linear infinite;
    text-shadow: 0 0 30px rgba(255, 51, 102, 0.7);
}

@keyframes timerShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

.password-field {
    position: relative;
    margin-bottom: var(--space-md);
}

.cyber-input {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(20, 25, 45, 0.9);
    border: 2px solid rgba(157, 78, 221, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}

.cyber-input:focus {
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple), inset 0 0 20px rgba(157, 78, 221, 0.1);
}

.cyber-input::placeholder {
    color: var(--text-muted);
}

.cyber-input.textarea {
    resize: vertical;
    min-height: 60px;
}

.password-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--space-md);
}

.password-error {
    font-size: 0.9rem;
    color: var(--red-warning);
    margin-top: var(--space-sm);
    opacity: 0;
    transition: var(--transition-fast);
}

.password-error.show {
    opacity: 1;
    animation: errorShake 0.4s ease;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

/* ========================================
   Loading Screen
   ======================================== */

.loading-container {
    text-align: center;
    padding: var(--space-xl);
    max-width: 600px;
    width: 100%;
}

.loading-bar {
    width: 100%;
    height: 6px;
    background: rgba(157, 78, 221, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.loading-progress {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-orange));
    border-radius: 3px;
    transition: width 0.3s ease;
    box-shadow: 0 0 20px var(--neon-purple);
}

.loading-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--cyan-accent);
    margin-bottom: var(--space-lg);
    min-height: 1.5em;
}

.system-lines {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: left;
    max-height: 200px;
    overflow: hidden;
    line-height: 1.8;
}

.system-lines .line {
    opacity: 0;
    animation: lineAppear 0.3s ease forwards;
}

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

/* ========================================
   Main App
   ======================================== */

.app-main {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    padding-top: 100px;
    padding-bottom: 120px;
    min-height: 100vh;
    display: none;
}

.app-main.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.app-main.blurred {
    filter: blur(10px);
    pointer-events: none;
}

/* Progress Bar */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(180deg, var(--bg-dark) 0%, transparent 100%);
    z-index: 50;
}

.progress-bar {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    height: 4px;
    background: rgba(157, 78, 221, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-orange));
    border-radius: 2px;
    transition: width 0.5s ease;
    width: 20%;
}

.step-indicator {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--space-sm);
    letter-spacing: 0.1em;
}

/* Form Steps */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: stepFadeIn 0.4s ease-out;
}

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

.step-header {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.step-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--neon-purple-light);
    margin-bottom: var(--space-sm);
}

.step-hint {
    font-size: 0.9rem;
    color: var(--cyan-accent);
}

.form-section {
    background: var(--bg-card);
    border-radius: 16px;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: var(--border-glow);
}

.form-section h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--neon-orange);
    margin-bottom: var(--space-md);
}

.section-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-label.required::after {
    content: ' *';
    color: var(--red-warning);
}

/* Segment Buttons */
.segment-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.segment-btn {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(157, 78, 221, 0.3);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    flex: 1;
    min-width: 100px;
}

.segment-btn:hover {
    border-color: var(--neon-purple);
    color: var(--text-primary);
}

.segment-btn.active {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    color: white;
    box-shadow: var(--glow-purple);
}

/* City Grid */
.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
}

.city-card {
    font-family: var(--font-body);
    padding: var(--space-lg) var(--space-md);
    border: 2px solid rgba(157, 78, 221, 0.2);
    background: rgba(20, 25, 45, 0.6);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.city-card:hover {
    border-color: var(--neon-purple);
    transform: translateY(-3px);
    box-shadow: var(--glow-purple);
}

.city-card.active {
    border-color: var(--neon-orange);
    background: rgba(255, 109, 0, 0.1);
    box-shadow: var(--glow-orange);
}

.city-name {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.city-temp {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cyan-accent);
}

/* Climate Display */
.climate-display {
    background: var(--bg-card);
    border-radius: 16px;
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    border: var(--border-glow);
    animation: fadeInUp 0.5s ease-out;
}

.climate-display.hidden {
    display: none;
}

.climate-display h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--cyan-accent);
    margin-bottom: var(--space-md);
    text-align: center;
}

.climate-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    text-align: center;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--neon-orange);
}

.chart-container {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.chart-container canvas {
    width: 100% !important;
    height: auto !important;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.dry {
    background: var(--neon-orange);
}

.legend-color.wet {
    background: var(--cyan-accent);
}

/* Chips */
.month-chips,
.day-chips,
.usage-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.chip {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    border: 2px solid rgba(157, 78, 221, 0.2);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chip:hover {
    border-color: var(--neon-purple);
    color: var(--text-primary);
}

.chip.active {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    color: white;
}

/* Quick Presets */
.quick-presets {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.preset-btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--cyan-accent);
    background: transparent;
    color: var(--cyan-accent);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.preset-btn:hover {
    background: rgba(0, 245, 255, 0.1);
}

/* Hour Selector */
.hour-selector {
    display: flex;
    gap: var(--space-sm);
}

.hour-btn {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(157, 78, 221, 0.3);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.hour-btn:hover {
    border-color: var(--neon-purple);
    color: var(--text-primary);
}

.hour-btn.active {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    color: white;
    box-shadow: var(--glow-purple);
}

/* Equipment Cards (Chiller/Boiler) */
.equipment-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    margin-bottom: var(--space-md);
    overflow: hidden;
    border: 1px solid rgba(157, 78, 221, 0.2);
}

.equipment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: rgba(157, 78, 221, 0.1);
    cursor: pointer;
    transition: var(--transition-fast);
}

.equipment-header:hover {
    background: rgba(157, 78, 221, 0.15);
}

.equipment-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--neon-purple-light);
}

.equipment-actions {
    display: flex;
    gap: var(--space-sm);
}

.collapse-btn,
.delete-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.collapse-btn:hover {
    background: rgba(157, 78, 221, 0.3);
    color: var(--text-primary);
}

.delete-btn:hover {
    background: rgba(255, 51, 102, 0.3);
    color: var(--red-warning);
}

.equipment-body {
    padding: var(--space-md);
    display: none;
}

.equipment-body.open {
    display: block;
}

.equipment-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.cyber-select {
    font-family: var(--font-body);
    font-size: 0.95rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(20, 25, 45, 0.9);
    border: 2px solid rgba(157, 78, 221, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239d4edd' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.cyber-select:focus {
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.cyber-select option {
    background: var(--navy-blue);
    color: var(--text-primary);
}

/* Cooling Tower Section */
.tower-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px dashed rgba(157, 78, 221, 0.3);
}

.tower-section.hidden {
    display: none;
}

.tower-section h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--cyan-accent);
    margin-bottom: var(--space-md);
}

/* ========================================
   Summary Section
   ======================================== */

.summary-container {
    margin-bottom: var(--space-xl);
}

.summary-section {
    background: var(--bg-card);
    border-radius: 12px;
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    border: var(--border-glow);
}

.summary-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.summary-section h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--neon-orange);
}

.edit-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--neon-purple);
    background: transparent;
    color: var(--neon-purple);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.edit-btn:hover {
    background: rgba(157, 78, 221, 0.2);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.summary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.summary-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.summary-chip {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(157, 78, 221, 0.2);
    border-radius: 4px;
    color: var(--neon-purple-light);
}

.equipment-summary {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: var(--space-md);
    margin-top: var(--space-sm);
}

.equipment-summary-title {
    font-size: 0.9rem;
    color: var(--cyan-accent);
    margin-bottom: var(--space-sm);
}

/* Prepared By */
.prepared-by {
    background: var(--bg-card);
    border-radius: 16px;
    padding: var(--space-lg);
    border: 2px solid var(--neon-orange);
}

.prepared-by h3 {
    color: var(--neon-orange) !important;
}

/* ========================================
   Navigation Buttons
   ======================================== */

.nav-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: linear-gradient(0deg, var(--bg-dark) 0%, transparent 100%);
    z-index: 50;
}

.back-btn,
.next-btn,
.generate-btn {
    min-width: 140px;
}

.hidden {
    display: none !important;
}

/* ========================================
   Output Screen
   ======================================== */

.output-container {
    text-align: center;
    padding: var(--space-xl);
    max-width: 500px;
    animation: fadeInUp 0.5s ease-out;
}

.success-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-xl);
    background: linear-gradient(135deg, var(--green-success), var(--cyan-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-icon svg {
    width: 50px;
    height: 50px;
    fill: var(--bg-dark);
}

.output-container h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--green-success);
    margin-bottom: var(--space-xl);
}

.output-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.output-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ========================================
   Toast
   ======================================== */

.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    border: 1px solid var(--neon-purple);
    padding: var(--space-md) var(--space-xl);
    border-radius: 8px;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-message {
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .logo-text {
        font-size: 2.5rem;
    }
    
    .climate-stats {
        grid-template-columns: 1fr;
    }
    
    .segment-btn {
        min-width: 80px;
        padding: 0.6rem 1rem;
    }
    
    .city-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .equipment-row {
        grid-template-columns: 1fr;
    }
    
    .nav-buttons {
        padding: var(--space-md);
    }
    
    .cyber-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .back-btn,
    .next-btn,
    .generate-btn {
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .lang-toggle {
        top: var(--space-sm);
        right: var(--space-sm);
    }
    
    .welcome-content {
        padding: var(--space-md);
    }
    
    .city-grid {
        grid-template-columns: 1fr;
    }
    
    .hour-selector {
        flex-wrap: wrap;
    }
    
    .hour-btn {
        width: 50px;
        height: 50px;
    }
}

/* ========================================
   Utilities
   ======================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-sm) var(--space-md);
    background: var(--navy-blue);
    border: 1px solid var(--neon-purple);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}


/* ========================================
   BEEA Branding (non-intrusive)
   ======================================== */

.brand-header{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(10, 22, 40, 0.65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(157, 78, 221, 0.15);
}

.brand-welcome{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: .5rem;
  margin-bottom: var(--space-xl);
}

.brand-logo{
  max-width: 260px;
  width: min(70vw, 320px);
  height: auto;
  filter: drop-shadow(0 0 18px rgba(0,245,255,0.25));
}

.brand-logo.small{
  width: 160px;
  max-width: 40vw;
}

.brand-url{
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--cyan-accent);
  opacity: .95;
  letter-spacing: .06em;
}

.brand-footer{
  position: relative;
  z-index: 5;
  padding: var(--space-lg) var(--space-md);
  text-align:center;
  color: var(--text-secondary);
  font-family: var(--font-body);
  border-top: 1px solid rgba(157, 78, 221, 0.12);
  background: rgba(10, 10, 15, 0.65);
  margin-top: var(--space-2xl);
}

.title-icon{
  display:inline-block;
  margin-right:.4rem;
  filter: drop-shadow(0 0 10px rgba(0,245,255,0.25));
}

/* ========================================
   Month Bar Charts (Cooling/Heating)
   ======================================== */

.month-chart{
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: 14px;
  border: 1px solid rgba(157, 78, 221, 0.18);
  background: rgba(20, 25, 45, 0.55);
  display:flex;
  align-items:flex-end;
  gap: 6px;
  height: 110px;
}

.month-bar{
  flex: 1;
  min-width: 10px;
  border-radius: 10px 10px 4px 4px;
  height: 14px;
  opacity: .25;
  transform-origin: bottom;
}

.month-bar.active{
  opacity: .95;
}

.month-bar.anim{
  animation: growBar .45s ease-out both;
}

@keyframes growBar{
  from { transform: scaleY(0.1); }
  to { transform: scaleY(1); }
}

/* Make sure footer doesn't cover screens */
.screen.active{
  padding-bottom: 70px;
}


.program-label {
  display:flex;
  align-items:center;
  gap:.5rem;
}
.program-label::before{
  content:'';
  width: 20px;
  height: 20px;
  display:inline-block;
  opacity:.95;
  filter: drop-shadow(0 0 10px rgba(0,245,255,0.18));
  background-repeat:no-repeat;
  background-position:center;
  background-size:contain;
}
.program-label.cooling::before{
  background-image: url(\"data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20viewBox%3D%270%200%2064%2064%27%3E%3Cpath%20d%3D%27M32%204%20v56M12%2016%20l40%2032M52%2016%20L12%2048M8%2032%20h48%27%20stroke%3D%27%2300f5ff%27%20stroke-width%3D%274%27%20stroke-linecap%3D%27round%27%20fill%3D%27none%27/%3E%3Cpath%20d%3D%27M22%208%20l10%2010%20l10-10M22%2056%20l10-10%20l10%2010M6%2026%20l10%206%20l-10%206M58%2026%20l-10%206%20l10%206%27%20stroke%3D%27%2300f5ff%27%20stroke-width%3D%274%27%20stroke-linecap%3D%27round%27%20fill%3D%27none%27/%3E%3C/svg%3E\");
  color: var(--cyan-accent);
}
.program-label.heating::before{
  background-image: url(\"data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20viewBox%3D%270%200%2064%2064%27%3E%3Cpath%20d%3D%27M34%204%20c2%2012-6%2016-6%2024%200%207%206%2010%206%2018%200%205-4%2010-10%2010-9%200-16-8-16-18%200-12%209-18%2014-26%20c2%207%208%2010%2010%2016%20c2-7%2010-12%202%20-24z%27%20fill%3D%27%23ff6d00%27%20opacity%3D%270.95%27/%3E%3Cpath%20d%3D%27M30%2030%20c-2%206-6%208-6%2014%200%206%204%2010%2010%2010%205%200%209-5%209-10%200-5-4-8-6-14%20c3%202%206%203%207%206%20c1-3%203-4%204-6%20c1%202%203%203%207%200z%27%20fill%3D%27%23ff3366%27%20opacity%3D%270.85%27/%3E%3C/svg%3E\");
  filter: drop-shadow(0 0 10px rgba(255,109,0,0.18));
}

/* ========================================
   Months Bar Chart (Cooling/Heating)
   Cleaner + more “chart-like”
   ======================================== */
.months-chart{
  display:flex;
  gap:8px;
  align-items:flex-end;
  /* Let bars fill the row evenly; avoid extra gaps */
  justify-content:flex-start;
  margin-top: 12px;
  /* Taller chart + less “dead space” under bars */
  padding: 14px 12px 10px;
  border: var(--border-glow);
  border-radius: 14px;
  background: rgba(10, 22, 40, 0.35);
  position: relative;
  min-height: 140px;
}
.months-chart::before{
  content:'';
  position:absolute;
  left:12px;
  right:12px;
  bottom:8px;
  height:1px;
  background: rgba(157, 78, 221, 0.25);
}
.months-chart .mbar{
  flex:1;
  min-width: 12px;
  height: 22px; /* JS will update */
  border-radius: 10px 10px 6px 6px;
  opacity: .45;
  transform: translateY(0);
  transition: height .22s ease, opacity .22s ease, filter .22s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  cursor: pointer;
  padding: 0;
  background: linear-gradient(180deg, rgba(0,245,255,0.85), rgba(157,78,221,0.55));
}
.months-chart .mbar::after{
  content: attr(data-label);
  position:absolute;
  left:50%;
  transform: translateX(-50%);
  bottom:-14px;
  font-size: .68rem;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: .02em;
}
.months-chart .mbar.on{
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(0,245,255,0.12));
}
.months-chart .mbar.on::before{
  content:'';
  position:absolute;
  inset:0;
  background: linear-gradient(90deg, rgba(255,255,255,0.0), rgba(255,255,255,0.20), rgba(255,255,255,0.0));
  transform: translateX(-120%);
  animation: barShimmer 1.1s ease-out;
}
@keyframes barShimmer{
  to { transform: translateX(120%); }
}
.months-chart .mbar.anim{
  animation: growBar .45s ease-out;
}
@keyframes growBar{
  from{ transform: scaleY(.75); opacity:.35; }
  to{ transform: scaleY(1); opacity:1; }
}
.section-icon{
  margin-right: 10px;
  font-size: 1.15em;
  vertical-align: -2px;
}

/* Summary action buttons (below recap) */
.summary-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  margin-bottom: 6px;
}
.summary-actions .btn-primary,
.summary-actions .btn-secondary{
  min-width: 180px;
}
.summary-actions button:disabled{
  opacity: .45;
  cursor: not-allowed;
  filter: grayscale(0.2);
}


/* Summary action button icons (SVG, avoids emoji boxes) */
.btn-primary .icon, .btn-secondary .icon{
  width: 18px;
  height: 18px;
  display:inline-block;
  margin-right: 10px;
  vertical-align: -3px;
  background-repeat:no-repeat;
  background-position:center;
  background-size:contain;
  filter: drop-shadow(0 0 10px rgba(0,245,255,0.15));
}
.icon-pdf{
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A//www.w3.org/2000/svg'%20viewBox%3D'0%200%2024%2024'%20fill%3D'none'%3E%3Cpath%20d%3D'M7%202h7l5%205v15a2%202%200%200%201-2%202H7a2%202%200%200%201-2-2V4a2%202%200%200%201-2-2z'%20stroke%3D'%2300f5ff'%20stroke-width%3D'1.8'/%3E%3Cpath%20d%3D'M14%202v6h6'%20stroke%3D'%2300f5ff'%20stroke-width%3D'1.8'/%3E%3Cpath%20d%3D'M8%2014h8M8%2017h6'%20stroke%3D'%23ff6d00'%20stroke-width%3D'1.8'/%3E%3C/svg%3E");
}
.icon-mail{
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A//www.w3.org/2000/svg'%20viewBox%3D'0%200%2024%2024'%20fill%3D'none'%3E%3Cpath%20d%3D'M4%206h16a2%202%200%200%201%202%202v10a2%202%200%200%201-2%202H4a2%202%200%200%201-2-2V8a2%202%200%200%201%202-2z'%20stroke%3D'%2300f5ff'%20stroke-width%3D'1.8'/%3E%3Cpath%20d%3D'm4%208%208%206%208-6'%20stroke%3D'%23ff6d00'%20stroke-width%3D'1.8'/%3E%3C/svg%3E");
}