:root {
    --primary: #0066CC;
    --primary-dark: #003366;
    --success: #28A745;
    --warning: #FFC107;
    --danger: #DC3545;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-800: #343A40;
    --card-ratio: 1.592;
    /* 86/54 */
    --preview-width: 400px;
    --preview-height: calc(var(--preview-width) / var(--card-ratio));
}

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

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
}

/* Layout Components */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid var(--gray-200);
    position: relative;
}

.main-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Upload Zone */
.drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: white;
    margin-bottom: 20px;
    cursor: pointer;
}

.drop-zone:hover {
    border-color: var(--primary);
    background: rgba(0, 102, 204, 0.02);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.drop-zone:active {
    transform: translateY(0);
}

.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(0, 102, 204, 0.05);
    transform: scale(1.02);
}

/* Data Grid */
.data-grid {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
}

.grid-header {
    display: grid;
    grid-template-columns: 40px 60px 150px 1fr 150px 100px 120px 150px;
    background: var(--gray-100);
    padding: 12px;
    font-weight: 600;
    border-bottom: 2px solid var(--gray-200);
}

.grid-row {
    display: grid;
    grid-template-columns: 40px 60px 150px 1fr 150px 100px 120px 150px;
    padding: 12px;
    border-bottom: 1px solid var(--gray-200);
    align-items: center;
}

.grid-row:hover {
    background: var(--gray-100);
}

.status-matched {
    color: var(--success);
}

.status-missing {
    color: var(--danger);
    font-weight: bold;
    cursor: pointer;
}

.status-manual {
    color: var(--warning);
}

/* Preview Cards */
.preview-container {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: flex-start;
}

.card-preview {
    width: var(--preview-width);
    height: var(--preview-height);
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Template Selector */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.template-thumb {
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.template-thumb:hover {
    border-color: var(--primary);
}

.template-thumb.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
}

/* Print Controls */
.print-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    border: 1px solid var(--gray-200);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    background: white;
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
    animation: slideIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--gray-100);
    min-width: 280px;
    transition: all 0.4s ease;
}

.toast span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-800);
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-success i {
    color: var(--success);
}

.toast-error {
    border-left: 4px solid var(--danger);
}

.toast-error i {
    color: var(--danger);
}

.toast-info {
    border-left: 4px solid var(--primary);
}

.toast-info i {
    color: var(--primary);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-warning i {
    color: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(120%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Dashboard specific */
.dashboard-layout {
    display: flex;
    gap: 24px;
}

.panel-upload {
    flex: 0 0 300px;
    /* approx 25% */
}

.panel-grid {
    flex: 1;
    /* approx 75% */
}

.toolbar {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    background: white;
    border-bottom: 1px solid var(--gray-200);
}

.actions-cell button {
    background: var(--gray-200);
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.actions-cell button:hover {
    background: var(--gray-800);
    color: white;
}

/* Print Styles */
@media print {

    /* Hide everything except the print-only container */
    body * {
        visibility: hidden;
    }

    #print-container,
    #print-container * {
        visibility: visible;
    }

    #print-container {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        display: block !important;
        background: white;
        z-index: 9999;
    }

    .print-card-wrapper {
        width: 85.6mm;
        height: 54mm;
        margin: 5mm auto;
        border: none;
        page-break-after: always;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .print-card-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    /* Remove browser headers/footers */
    @page {
        size: auto;
        margin: 0;
    }

    .sidebar,
    .header,
    .btn-primary,
    .btn-secondary,
    .main-content>div:not(#print-container) {
        display: none !important;
    }
}