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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #141414;
    --accent: #00d9ff;
    --accent-dim: #00adcc;
    --accent-hover: #00d9ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border: #222222;
    --border-light: #2a2a2a;
    --danger: #ff4757;
    --warning: #ffa502;
    --glass: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.06);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: transparent;
    color: var(--text-primary);
    overflow: hidden;
    user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden {
    display: none !important;
}

.elevator-interface {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}

.elevator-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 400px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: slideUp 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: auto;
}

.close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.close-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
    transform: scale(1.05);
}


.elevator-header {
    padding: 32px 24px 24px;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.header-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
}

.header-content {
    flex: 1;
}

.elevator-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.elevator-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}


.status-section {
    padding: 24px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.current-floor-display {
    display: flex;
    align-items: center;
    gap: 16px;
}

.floor-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    min-width: 60px;
    text-align: center;
}

.floor-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.floor-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.floor-name {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: pulse 2s infinite;
}

.status-dot.moving {
    background: var(--warning);
    box-shadow: 0 0 10px var(--warning);
}

.status-dot.error {
    background: var(--danger);
    box-shadow: 0 0 10px var(--danger);
}

.status-text {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.floors-section {
    background: var(--bg-secondary);
}

.section-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
}

.section-header i {
    color: var(--accent);
    font-size: 14px;
}

.section-header span {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.floors-grid {
    padding: 16px;
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.floors-grid::-webkit-scrollbar {
    width: 4px;
}

.floors-grid::-webkit-scrollbar-track {
    background: transparent;
}

.floors-grid::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}


.floor-button {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.floor-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.6s ease;
}

.floor-button:hover::before {
    left: 100%;
}

.floor-button:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.15);
}

.floor-button.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--bg-secondary);
}

.floor-button.disabled:hover {
    transform: none;
    border-color: var(--border);
    background: var(--bg-secondary);
    box-shadow: none;
}

.floor-button.disabled:hover::before {
    left: -100%;
}

.floor-button.current {
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-color: var(--accent);
    color: var(--bg-primary);
}

.floor-button.current .floor-info {
    color: var(--bg-primary);
}

.floor-button.current .floor-icon {
    color: var(--bg-primary);
}

.floor-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.floor-number-display {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.floor-label-display {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.3;
}

.floor-icon {
    font-size: 18px;
    color: var(--accent);
    transition: all 0.3s ease;
}

.floor-button:hover .floor-icon {
    transform: scale(1.1);
    color: var(--accent-hover);
}

.floor-button.disabled .floor-icon {
    color: var(--text-muted);
}

.floor-button.disabled:hover .floor-icon {
    transform: none;
}

.floor-badges {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
}

.badge {
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.restricted {
    background: var(--danger);
    color: white;
}

.badge.vip {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: var(--bg-primary);
}

.badge.grade {
    background: var(--accent);
    color: var(--bg-primary);
}


.user-info {
    padding: 16px 24px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 24px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.info-row i {
    color: var(--accent);
    width: 14px;
}

.movement-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.98);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.movement-content {
    text-align: center;
    max-width: 300px;
}

.elevator-animation {
    margin-bottom: 32px;
}

.elevator-shaft {
    width: 80px;
    height: 240px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.elevator-car {
    width: 68px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-radius: 8px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 10px;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.4);
    animation: elevatorMove 3s ease-in-out infinite;
}

.floor-markers {
    position: absolute;
    right: -20px;
    top: 20px;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.floor-marker {
    width: 12px;
    height: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 50%;
}

.movement-text {
    margin-bottom: 24px;
}

.movement-text h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.movement-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-dim));
    width: 0%;
    border-radius: 2px;
    animation: progressMove 3s ease-in-out infinite;
}

.progress-text {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 320px;
}

.notification {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.notification::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

.notification.success::before {
    background: var(--accent);
}

.notification.warning::before {
    background: var(--warning);
}

.notification.error::before {
    background: var(--danger);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-icon {
    font-size: 16px;
    color: var(--accent);
}

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

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

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

.notification-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}


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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

@keyframes elevatorMove {
    0%, 100% {
        top: 10px;
    }
    25% {
        top: 60px;
    }
    50% {
        top: 120px;
    }
    75% {
        top: 180px;
    }
}

@keyframes progressMove {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .elevator-container {
        width: 95vw;
        max-width: 380px;
        margin: 0 20px;
    }

    .elevator-header {
        padding: 24px 20px 20px;
    }

    .elevator-title {
        font-size: 20px;
    }

    .status-section {
        padding: 20px;
    }

    .floor-number {
        font-size: 36px;
    }

    .floors-grid {
        padding: 12px;
        max-height: 250px;
    }

    .floor-button {
        padding: 14px;
    }

    .user-info {
        padding: 14px 20px;
        gap: 16px;
    }

    .notifications-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .movement-content {
        max-width: 280px;
        padding: 0 20px;
    }

    .elevator-shaft {
        width: 60px;
        height: 180px;
    }

    .elevator-car {
        width: 50px;
        height: 36px;
    }
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}


.floor-button:focus,
.close-btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --border: #444444;
        --border-light: #555555;
        --text-secondary: #cccccc;
    }
}