/* HMI Button Styles */
.hmi-button {
    background: linear-gradient(145deg, #e6e6e6, #cccccc);
    border: 2px solid #999999;
    border-radius: 8px;
    color: #333333;
    font-weight: bold;
    font-size: 18px;
    padding: 0 16px;
    margin: 0 4px;
    min-width: 120px;
    height: 80%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3), inset 1px 1px 3px rgba(255, 255, 255, 0.8);
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.8);
    position: relative;
    user-select: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .hmi-button:hover {
        background: linear-gradient(145deg, #f0f0f0, #d6d6d6);
        transform: translateY(-1px);
    }

    .hmi-button:active {
        background: linear-gradient(145deg, #cccccc, #b3b3b3);
        box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3), inset 2px 2px 4px rgba(0, 0, 0, 0.2);
        transform: translateY(1px);
    }

    .hmi-button.start {
        background: linear-gradient(145deg, #4CAF50, #45a049);
        color: white;
        border-color: #2e7d32;
        text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    }

        .hmi-button.start:hover {
            background: linear-gradient(145deg, #5cbf60, #4fa152);
        }

    .hmi-button.request {
        background: linear-gradient(145deg, #2196F3, #1976D2);
        color: white;
        border-color: #0d47a1;
        text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    }

        .hmi-button.request:hover {
            background: linear-gradient(145deg, #42a5f5, #1e88e5);
        }

    .hmi-button.close {
        background: linear-gradient(145deg, #FF9800, #F57C00);
        color: white;
        border-color: #bf360c;
        text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    }

        .hmi-button.close:hover {
            background: linear-gradient(145deg, #ffb74d, #fb8c00);
        }

    .hmi-button.onoff {
        background: linear-gradient(145deg, #2196F3, #1976D2);
        color: white;
        border-radius: 8px;
        font-size: 14px;
        padding: 18px 8px;
        height: 60px;
        font-weight: bold;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3), inset 1px 1px 3px rgba(255, 255, 255, 0.2);
        transition: all 0.2s ease;
        cursor: pointer;
        font-family: 'Courier New', monospace;
    }

        .hmi-button.onoff:hover {
            background: linear-gradient(145deg, #42a5f5, #1e88e5);
        }

    .hmi-button.off {
        filter: grayscale(100%);
    }
/* Station Direction Indicator Styles */
.station-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 80%;
    margin: 0 auto;
    position: relative;
    background: transparent;
    border: none;
    overflow: hidden;
}

.direction-track {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
    position: relative;
    padding: 0 15px;
}

.arrow-flow {
    position: absolute;
    width: 20px;
    height: 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

    .arrow-flow::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 0;
        height: 0;
        border-left: 8px solid transparent;
        border-right: 8px solid transparent;
        border-bottom: 12px solid #00ff00;
        transform: translate(-50%, -50%) rotate(90deg);
    }

/* Station States - COPIED EXACTLY FROM WORKING VERSION */
.station-indicator.request-in {
    border-color: transparent;
    box-shadow: none;
    animation: none;
}

    .station-indicator.request-in .arrow-flow {
        animation: flow-in-left 1.2s infinite linear;
    }

        .station-indicator.request-in .arrow-flow:nth-child(1),
        .station-indicator.request-in .arrow-flow:nth-child(3),
        .station-indicator.request-in .arrow-flow:nth-child(5),
        .station-indicator.request-in .arrow-flow:nth-child(7) {
            animation: flow-in-left 0.8s infinite linear;
        }

        .station-indicator.request-in .arrow-flow:nth-child(2),
        .station-indicator.request-in .arrow-flow:nth-child(4),
        .station-indicator.request-in .arrow-flow:nth-child(6),
        .station-indicator.request-in .arrow-flow:nth-child(8) {
            animation: flow-in-right 0.8s infinite linear;
        }

        /* Mũi tên bên trái hướng về phải (→) */
        .station-indicator.request-in .arrow-flow:nth-child(1)::before,
        .station-indicator.request-in .arrow-flow:nth-child(3)::before,
        .station-indicator.request-in .arrow-flow:nth-child(5)::before,
        .station-indicator.request-in .arrow-flow:nth-child(7)::before {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        /* Mũi tên bên phải hướng về trái (←) */
        .station-indicator.request-in .arrow-flow:nth-child(2)::before,
        .station-indicator.request-in .arrow-flow:nth-child(4)::before,
        .station-indicator.request-in .arrow-flow:nth-child(6)::before,
        .station-indicator.request-in .arrow-flow:nth-child(8)::before {
            transform: translate(-50%, -50%) rotate(-90deg);
        }

        .station-indicator.request-in .arrow-flow::before {
            border-bottom-color: #00ff00;
            color: #00ff00;
        }

.station-indicator.request-out {
    border-color: transparent;
    box-shadow: none;
    animation: none;
}

    .station-indicator.request-out .arrow-flow {
        animation: flow-out-left 1.2s infinite linear;
    }

        .station-indicator.request-out .arrow-flow:nth-child(1),
        .station-indicator.request-out .arrow-flow:nth-child(3),
        .station-indicator.request-out .arrow-flow:nth-child(5),
        .station-indicator.request-out .arrow-flow:nth-child(7) {
            animation: flow-out-left 0.8s infinite linear;
        }

        .station-indicator.request-out .arrow-flow:nth-child(2),
        .station-indicator.request-out .arrow-flow:nth-child(4),
        .station-indicator.request-out .arrow-flow:nth-child(6),
        .station-indicator.request-out .arrow-flow:nth-child(8) {
            animation: flow-out-right 0.8s infinite linear;
        }

        /* Mũi tên bên trái hướng ra trái (←) */
        .station-indicator.request-out .arrow-flow:nth-child(1)::before,
        .station-indicator.request-out .arrow-flow:nth-child(3)::before,
        .station-indicator.request-out .arrow-flow:nth-child(5)::before,
        .station-indicator.request-out .arrow-flow:nth-child(7)::before {
            transform: translate(-50%, -50%) rotate(-90deg);
        }

        /* Mũi tên bên phải hướng ra phải (→) */
        .station-indicator.request-out .arrow-flow:nth-child(2)::before,
        .station-indicator.request-out .arrow-flow:nth-child(4)::before,
        .station-indicator.request-out .arrow-flow:nth-child(6)::before,
        .station-indicator.request-out .arrow-flow:nth-child(8)::before {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .station-indicator.request-out .arrow-flow::before {
            border-bottom-color: #ff6600;
            color: #ff6600;
            transform: translate(-50%, -50%) rotate(-90deg);
        }

.station-indicator.standby {
    border-color: transparent;
    animation: none;
}

    .station-indicator.standby .center-dot {
        background: radial-gradient(circle, #333 30%, #555 70%);
        animation: none;
    }

.station-indicator.hidden {
    opacity: 0;
    transform: scale(0.8);
    filter: blur(2px);
}

/* Working state for station indicator */
.station-indicator.working {
    border-color: transparent;
    box-shadow: none;
    animation: none;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .station-indicator.working .direction-track {
        display: none;
    }

    .station-indicator.working::after {
        content: 'WORKING';
        color: #27ae60;
        font-weight: bold;
        font-size: 20px;
        font-family: 'Courier New', monospace;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
        letter-spacing: 2px;
        animation: working-pulse 1.5s infinite ease-in-out;
    }

@keyframes working-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* Center Station Dot */
.center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: radial-gradient(circle, #333 30%, #555 70%);
    border: 2px solid #666;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.1), 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

/* Flow from both sides to center (IN) */
@keyframes flow-in-left {
    0% {
        left: -25px;
        opacity: 0;
        transform: scale(0.5);
    }

    20% {
        opacity: 1;
        transform: scale(1);
    }

    80% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        left: calc(50% - 15px);
        opacity: 0;
        transform: scale(1.2);
    }
}

@keyframes flow-in-right {
    0% {
        right: -25px;
        opacity: 0;
        transform: scale(0.5);
    }

    20% {
        opacity: 1;
        transform: scale(1);
    }

    80% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        right: calc(50% - 15px);
        opacity: 0;
        transform: scale(1.2);
    }
}

/* Flow from center to both sides (OUT) */
@keyframes flow-out-left {
    0% {
        left: calc(50% - 15px);
        opacity: 0;
        transform: scale(1.2);
    }

    20% {
        opacity: 1;
        transform: scale(1);
    }

    80% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        left: -25px;
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes flow-out-right {
    0% {
        right: calc(50% - 15px);
        opacity: 0;
        transform: scale(1.2);
    }

    20% {
        opacity: 1;
        transform: scale(1);
    }

    80% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        right: -25px;
        opacity: 0;
        transform: scale(0.5);
    }
}

/* Multiple Arrow Generation - COPIED EXACTLY FROM WORKING VERSION */
.station-indicator.request-in .arrow-flow:nth-child(1) {
    animation-delay: 0s;
}

.station-indicator.request-in .arrow-flow:nth-child(2) {
    animation-delay: 0.05s;
}

.station-indicator.request-in .arrow-flow:nth-child(3) {
    animation-delay: 0.2s;
}

.station-indicator.request-in .arrow-flow:nth-child(4) {
    animation-delay: 0.25s;
}

.station-indicator.request-in .arrow-flow:nth-child(5) {
    animation-delay: 0.4s;
}

.station-indicator.request-in .arrow-flow:nth-child(6) {
    animation-delay: 0.45s;
}

.station-indicator.request-in .arrow-flow:nth-child(7) {
    animation-delay: 0.6s;
}

.station-indicator.request-in .arrow-flow:nth-child(8) {
    animation-delay: 0.65s;
}

.station-indicator.request-out .arrow-flow:nth-child(1) {
    animation-delay: 0s;
}

.station-indicator.request-out .arrow-flow:nth-child(2) {
    animation-delay: 0.05s;
}

.station-indicator.request-out .arrow-flow:nth-child(3) {
    animation-delay: 0.2s;
}

.station-indicator.request-out .arrow-flow:nth-child(4) {
    animation-delay: 0.25s;
}

.station-indicator.request-out .arrow-flow:nth-child(5) {
    animation-delay: 0.4s;
}

.station-indicator.request-out .arrow-flow:nth-child(6) {
    animation-delay: 0.45s;
}

.station-indicator.request-out .arrow-flow:nth-child(7) {
    animation-delay: 0.6s;
}

.station-indicator.request-out .arrow-flow:nth-child(8) {
    animation-delay: 0.65s;
}

/* Inactive State for Images */
.image-inactive {
    opacity: 0.3;
    filter: grayscale(100%) brightness(0.7);
    transition: all 0.3s ease;
}

    .image-inactive:hover {
        opacity: 0.5;
        filter: grayscale(80%) brightness(0.8);
    }

.inactive {
    opacity: 0.3;
    filter: grayscale(100%) brightness(0.7);
    transition: all 0.3s ease;
}

    .inactive:hover {
        opacity: 0.5;
        filter: grayscale(80%) brightness(0.8);
    }

/* Specific inactive states for AMR and Trolley */
.amr-inactive {
    opacity: 0.25;
    filter: grayscale(100%) brightness(0.6) contrast(0.8);
    transition: all 0.4s ease;
    border-color: #666 !important;
    background-color: rgba(120, 120, 120, 0.1) !important;
}

.trolley-inactive {
    opacity: 0.3;
    filter: grayscale(100%) brightness(0.7) contrast(0.9);
    transition: all 0.4s ease;
    border-color: #666 !important;
    background-color: rgba(120, 120, 120, 0.1) !important;
}

    /* Inactive hover effects */
    .amr-inactive:hover,
    .trolley-inactive:hover {
        opacity: 0.4;
        filter: grayscale(90%) brightness(0.8);
    }

/* LED indicators with turning on effect */
.led-indicator {
    width: 5.5%;
    height: 7.5%;
    background: linear-gradient(145deg, #27ae60, #2ecc71);
    border: 2px solid #1e8449;
    box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.3), 0 0 10px rgba(39, 174, 96, 0.8), 0 0 20px rgba(39, 174, 96, 0.4);
    animation: turning-on 2s infinite ease-in-out;
}

@keyframes turning-on {
    0%, 100% {
        opacity: 1;
        box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.3), 0 0 10px rgba(39, 174, 96, 0.8), 0 0 20px rgba(39, 174, 96, 0.4);
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.1), 0 0 5px rgba(39, 174, 96, 0.4), 0 0 10px rgba(39, 174, 96, 0.2);
        transform: scale(0.95);
    }
}


/* Access Status Indicator */
.access-status {
    transition: all 0.3s ease;
}

    .access-status.access-allowed {
        background-color: #28a745;
        /*border: 2px solid #1e7e34;*/
    }

    .access-status.access-denied {
        background-color: #dc3545;
        /*border: 2px solid #bd2130;*/
    }

    .access-status.access-allowed::before {
        content: "✓";
    }

    .access-status.access-denied::before {
        content: "✗";
    }