:root {
    /* Color Palette */
    --primary-color: #316745;
    --primary-hover: #397750;
    --secondary-color: #64748b;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding: var(--spacing-lg) var(--spacing-md);
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #007b43;
    font-family: 'Playfair Display', serif;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 0.875rem;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background-color: white;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-danger:hover {
    background-color: #fef2f2;
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
}

.btn-submit:hover {
    background-color: var(--primary-hover);
}

.icon {
    margin-right: var(--spacing-xs);
    font-size: 1.2em;
    line-height: 1;
}

/* Toggle Control */
.toggle-control {
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
}

.toggle-state {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.toggle-state::before,
.toggle-state::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.toggle-label {
    font-size: 0.875rem;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    background-color: var(--background-color);
    margin: 0 var(--spacing-md);
}

.toggle-label:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.d-none {
    display: none !important;
}

/* Input Form */
.loading-message {
    text-align: center;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.input-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease-in-out;
    max-height: 500px;
    /* Arbitrary large height */
    opacity: 1;
}

.input-card.collapsed {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: 0;
    border: none;
    box-shadow: none;
}

textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    margin-bottom: var(--spacing-md);
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Category Grid */
.category-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.category-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.category-header {
    background-color: #dceae1;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    cursor: move;
}

.item-list {
    padding: var(--spacing-sm) 0;
    min-height: 50px;
    /* Drop zone area */
}

/* Items */
.item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: background-color 0.2s;
    cursor: move;
}

.item:hover {
    background-color: #f8fafc;
}

.item.sortable-ghost {
    opacity: 0.5;
    background-color: #e2e8f0;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary-color);
}

label {
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Delete Button */
.btn-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    opacity: 0.5;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item:hover .btn-delete {
    opacity: 1;
}

.btn-delete:hover {
    color: var(--danger-color);
    background-color: #fef2f2;
}

/* Footer */
.footer-actions {
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* Responsive */
@media (min-width: 640px) {
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        align-items: start;
        /* Prevent stretching height */
    }
}

/* Drag and Drop States */
.sortable-ghost {
    opacity: 0.4;
    background-color: #f1f5f9;
    border: 2px dashed #cbd5e1;
    box-shadow: none;
}

.sortable-fallback {
    opacity: 1 !important;
    background-color: var(--card-background);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
    cursor: grabbing;
    border: 1px solid var(--primary-color);
    z-index: 9999;
    /* Ensure it's on top */
}

/* Change cursor when grabbing */
.category-header:active {
    cursor: grabbing;
}

/* Login Page */
body.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-card {
    background-color: var(--card-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.login-title {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(49, 103, 69, 0.1); /* Primary color with opacity */
}

.btn-login {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 9999px; /* Pill shape */
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
    font-family: inherit;
}

.btn-login:hover {
    background-color: var(--primary-hover);
}

.error-message {
    color: var(--danger-color);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    background-color: #fef2f2;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid #fee2e2;
}