:root {
    --bg-color: #000;
    --panel-bg: rgba(0, 0, 0, 0.85);
    --accent-neon: #0ff;
    --accent-neon-alt: #f0f;
    --text-color: #fff;
    --border-color: rgba(0, 255, 255, 0.4);
    --slot-border: 2px dashed var(--accent-neon);
    --transition: 0.3s;
    --font-main: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --slot-size: 70px;
    --slot-gap: 15px;
    --sidebar-slot-size: 90px;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: linear-gradient(45deg, #111, #000);
    color: var(--text-color);
    overflow: hidden;
}

header {
    background: linear-gradient(90deg, var(--accent-neon), var(--accent-neon-alt));
    padding: 10px 20px;
    text-align: center;
    position: relative;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    filter: drop-shadow(0 0 6px var(--accent-neon));
    transition: transform var(--transition);
}

    .logo:hover {
        transform: scale(1.1);
    }

header h1 {
    font-family: var(--font-main);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-color);
    text-shadow: 0 0 10px var(--accent-neon);
}


.app-wrapper {
    display: flex;
    height: calc(100vh - 70px);
}

.sidebar {
    width: 650px;
    background: var(--panel-bg);
    padding: 0px;
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 2px solid var(--accent-neon);
    padding-left: 20px;
    padding-bottom: 50px;
}


.search-controls {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #2A2A2A;
    z-index: 1000;
    padding: 10px;
    border-bottom: 2px solid var(--accent-neon);
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-sizing: border-box;
    margin-bottom: 20px;
}

.controls-row {
    display: flex;
    gap: 10px;
}

.search-controls input,
.search-controls select {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--accent-neon);
    border-radius: 4px;
    background: #111;
    color: var(--text-color);
    font-size: 1rem;
    transition: border var(--transition);
}

    .search-controls input:focus,
    .search-controls select:focus {
        border-color: var(--accent-neon-alt);
    }


.fade-out {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.sidebar-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(var(--sidebar-slot-size), 1fr));
    gap: var(--slot-gap);
    align-items: start;
    justify-content: center;
}

.subcategory-header {
    grid-column: 1 / -1;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--accent-neon);
    border-radius: 5px;
    padding: 8px 12px;
    margin: 10px 0 5px 0;
    color: var(--accent-neon);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

    .sidebar-grid .item {
        width: var(--sidebar-slot-size);
        min-height: calc(var(--sidebar-slot-size) + 10px);
        border: 2px solid var(--accent-neon);
        border-radius: 10px;
        text-align: center;
        cursor: grab;
        transition: transform var(--transition), box-shadow var(--transition);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        padding: 5px;
        box-sizing: border-box;
    }


        .sidebar-grid .item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px var(--accent-neon);
        }

        .sidebar-grid .item img {
            width: 80%;
            height: auto;
            max-height: 60px;
            object-fit: contain;
            filter: drop-shadow(0 0 4px var(--accent-neon));
        }

        .sidebar-grid .item .item-name {
            font-size: 0.8rem;
            text-align: center;
            white-space: normal;
            overflow: visible;
            width: 90%;
            word-wrap: break-word;
        }




.main-content {
    flex: 1;
    background: var(--bg-color);
    padding: 50px;
    overflow-y: auto;
}

.slot-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}


.slot-group {
    background: var(--panel-bg);
    border: 2px solid var(--accent-neon);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 0 10px var(--accent-neon);
}

    .slot-group h2 {
        margin-top: 0;
        font-family: var(--font-main);
        font-size: 1.5rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--accent-neon);
        text-shadow: 0 0 8px var(--accent-neon-alt);
    }


.slot-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--slot-gap);
    margin-top: 10px;
}

.slot img.slotted-item {
    width: 45px;
    height: 45px;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    filter: drop-shadow(0 0 4px var(--accent-neon));
}

.qty-input {
    width: 30px;
    height: 20px;
    font-size: 0.7rem;
    padding: 2px;
    border: 1px solid #555;
    border-radius: 3px;
    background-color: #3A3A3A;
    color: #FFF;
    text-align: center;
    -webkit-appearance: none;
    -moz-appearance: textfield;
    margin-top: 4px;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

    .qty-input::-webkit-inner-spin-button,
    .qty-input::-webkit-outer-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(6, var(--slot-size));
    grid-template-rows: repeat(4, var(--slot-size));
    gap: var(--slot-gap);
    margin-top: 10px;
    justify-content: start;
}


.slot {
    width: var(--slot-size);
    height: var(--slot-size);
    background: #111;
    border: var(--slot-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

    .slot:hover {
        border-color: var(--accent-neon-alt);
        box-shadow: 0 0 10px var(--accent-neon-alt);
    }

    .slot img.slotted-item {
        max-width: calc(var(--slot-size) - 10px);
        max-height: calc(var(--slot-size) - 10px);
    }


.output-panel {
    background: var(--panel-bg);
    border: 2px solid var(--accent-neon);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 0 10px var(--accent-neon);
}

    .output-panel textarea {
        width: 97%;
        height: 100px;
        padding: 10px;
        background: #111;
        border: 1px solid var(--accent-neon);
        border-radius: 4px;
        color: var(--text-color);
        font-size: 1rem;
        resize: none;
        transition: box-shadow var(--transition);
    }

        .output-panel textarea:focus {
            box-shadow: 0 0 10px var(--accent-neon-alt);
        }

.button-row {
    margin-top: 15px;
    display: flex;
    gap: 15px;
}

    .button-row button {
        flex: 1;
        padding: 12px;
        background: var(--accent-neon);
        border: none;
        border-radius: 4px;
        font-size: 1rem;
        font-family: var(--font-main);
        color: var(--bg-color);
        text-transform: uppercase;
        cursor: pointer;
        transition: background var(--transition), box-shadow var(--transition);
    }

        .button-row button:hover {
            background: var(--accent-neon-alt);
            box-shadow: 0 0 10px var(--accent-neon-alt);
        }

/* Kit Management Styles */
.kit-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    background: var(--panel-bg);
    border: 2px solid var(--accent-neon);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 0 20px var(--accent-neon);
    z-index: 1000;
    min-width: 300px;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    pointer-events: none;
}

.kit-dialog.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    pointer-events: all;
}

.kit-dialog.hide {
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    pointer-events: none;
}

.kit-dialog h3 {
    margin-top: 0;
    color: var(--accent-neon);
    font-family: var(--font-main);
    text-align: center;
}

.kit-dialog select {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    background: #111;
    border: 1px solid var(--accent-neon);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 1rem;
}

.kit-list {
    max-height: 300px;
    overflow-y: auto;
    margin: 15px 0;
}

.kit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #111;
    border: 1px solid var(--accent-neon);
    border-radius: 4px;
    margin-bottom: 10px;
}

.kit-item span {
    color: var(--text-color);
    font-family: var(--font-main);
}

.kit-actions button {
    padding: 5px 10px;
    background: #ff4444;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    transition: background var(--transition);
}

.kit-actions button:hover {
    background: #cc0000;
}

/* Overlay for dialogs */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease-out;
    backdrop-filter: blur(3px);
}

.dialog-overlay.show {
    opacity: 1;
}

.dialog-overlay.hide {
    opacity: 0;
}

/* Mobile Layout */
@media (max-width: 768px) {
    body {
        overflow-y: auto;
        padding-bottom: 20px;
    }

    .app-wrapper {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }

    .sidebar {
        width: 100%;
        height: auto;
        overflow-x: auto;
        overflow-y: visible;
        white-space: normal;
        display: block;
        padding: 10px;
        box-sizing: border-box;
        border-right: none;
        border-bottom: 2px solid var(--accent-neon);
    }

    .search-controls {
        padding-left: 5px;
        padding-right: 20px;
        width: calc(100% - 25px);
        box-sizing: border-box;
    }

    .sidebar-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(80px, 1fr));
        gap: 10px;
        overflow: visible;
        padding-bottom: 10px;
        width: 100%;
        box-sizing: border-box;
    }

    .sidebar-grid .item {
        width: 80px;
        height: 80px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: #222;
        border: 2px solid var(--accent-neon);
        border-radius: 10px;
        cursor: pointer;
        box-sizing: border-box;
    }
    
    /* Updated inventory-grid: use grid with a consistent gap and no extra right margin */
    .inventory-grid {
        display: flex; 
        flex-wrap: wrap;
        gap: var(--slot-gap);
        justify-content: center; 
        width: 100%;
        height: auto;
        box-sizing: border-box;
        margin: 10px 0;
    }
       
    .inventory-grid .slot {
        width: 70px;
        height: 70px;
        margin: 5px;
    }

    .main-content {
        width: 100%;
        padding: 15px;
        overflow-x: auto;
        text-align: center;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .slot-group {
        padding: 10px;
        margin-bottom: 15px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .slot-group h2 {
        font-size: 1.3rem;
        margin-top: 5px;
        margin-bottom: 10px;
    }

    html, body {
        height: auto;
        min-height: 100%;
        overflow-y: auto;
    }

    .slot {
        width: 70px;
        height: 70px;
        background: #111;
        border: var(--slot-border);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: border-color var(--transition), box-shadow var(--transition);
        box-sizing: border-box;
        position: relative;
    }
    
    .slot-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-top: 10px;
    }

    .item.selected {
        border: 3px solid var(--accent-neon-alt);
        box-shadow: 0 0 10px var(--accent-neon-alt);
    }

    .remove-item {
        position: absolute;
        top: -5px;
        right: -5px;
        background: #ff4444;
        color: white;
        font-size: 12px;
        border: none;
        border-radius: 50%;
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 10;
        box-shadow: 0 0 3px rgba(0,0,0,0.5);
    }
    
    /* Output panel adjustments */
    .output-panel {
        padding: 10px;
        margin-top: 15px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .output-panel textarea {
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    
    /* Button row adjustments */
    .button-row {
        gap: 10px;
        flex-wrap: wrap;
    }
    
    /* Mobile-specific kit dialog improvements */
    .kit-dialog {
        width: 90%;
        max-width: 350px;
        padding: 15px;
        border-radius: 12px;
        max-height: 90vh;
        overflow-y: auto;
        transform: translate(-50%, -50%) scale(1);
        display: flex;
        flex-direction: column;
    }
    
    /* Make sure the textarea stays within the dialog bounds */
    #importText {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin: 10px 0 !important;
        overflow: auto !important;
        border: 2px solid var(--accent-neon-alt) !important;
        font-size: 16px !important;
        border-radius: 6px !important;
        color: white !important;
        background-color: #111 !important;
        padding: 10px !important;
        height: 150px !important;
        resize: none !important;
    }
    
    /* Ensure all dialog content fits in the viewport */
    .import-instructions, 
    .button-row, 
    .mobile-paste-help {
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Make the dialog max-height a bit smaller to ensure it fits on small screens */
    .kit-dialog.show {
        max-height: 80vh;
    }
    
    .kit-dialog h3 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    .kit-dialog textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .kit-dialog .button-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .kit-dialog .button-row button {
        padding: 15px;
        font-size: 1.1rem;
    }
    
    .kit-dialog select {
        font-size: 16px;
        padding: 12px;
        height: 50px; /* Larger touch target */
    }
    
    .kit-dialog .kit-item {
        padding: 15px 10px;
    }
    
    .kit-dialog .kit-actions button {
        padding: 10px 15px;
        font-size: 1rem;
    }
    
    .import-instructions {
        margin-bottom: 10px;
        font-size: 0.9rem;
    }
    
    /* Fix overlapping slot items */
    .slot-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        position: relative;
        padding: 3px;
    }
    
    .qty-input {
        position: relative;
        z-index: 5;
        width: 28px;
        margin-top: 3px;
        text-align: center;
        background-color: #333;
        border: 1px solid var(--accent-neon);
        color: white;
        border-radius: 3px;
        padding: 2px 0;
    }

    /* Improve image sizing in slots */
    .slot img.slotted-item {
        max-width: 45px;
        max-height: 45px;
        object-fit: contain;
        margin-bottom: 5px;
    }

    /* Add some breathing room between slot groups */
    .slot-container {
        gap: 25px;
    }
    
    /* Make scrolling smoother on mobile */
    html {
        scroll-behavior: smooth;
    }

    /* Ensure the toast container stays on top */
    .toast-container {
        z-index: 9999;
    }
}

/* Hide remove button on desktop */
@media (min-width: 769px) {
    .remove-item {
        display: none;
    }
}

/* Non-blocking Notification Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 300px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--panel-bg);
    border: 2px solid var(--accent-neon);
    border-radius: 8px;
    padding: 12px 15px;
    margin-bottom: 10px;
    box-shadow: 0 0 15px var(--accent-neon);
    color: var(--text-color);
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: all;
    position: relative;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    border-color: #4CAF50;
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.5);
}

.toast.error {
    border-color: #F44336;
    box-shadow: 0 0 15px rgba(244, 67, 54, 0.5);
}

.toast.info {
    border-color: var(--accent-neon);
}

.toast-close {
    position: absolute;
    top: 5px;
    right: 5px;
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile optimizations for toast notifications */
@media (max-width: 768px) {
    .toast-container {
        width: 90%;
        top: auto;
        bottom: 20px;
        right: 0;
        left: 0;
        margin: 0 auto;
    }
    
    .toast {
        width: 100%;
        box-sizing: border-box;
    }
}