:root {
    --color-accentPink: #E194A5;
    --color-accentPinkHover: #D67A8E;
    --color-darkText: #1e293b; /* slate-800 */
    --color-lightText: #ffffff;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-600: #475569;
    --color-red-50: #fef2f2;
    --color-red-500: #ef4444;
    --color-red-600: #dc2626;
    --color-red-700: #b91c1c;
    --color-green-500: #22c55e;
    --color-green-600: #16a34a;
    --color-green-700: #15803d;
    --color-blue-50: #eff6ff;
    --color-blue-500: #3b82f6;
    
    /* Sidebar Colors */
    --color-sidebarBg: #1e293b;
    --color-sidebarText: #cbd5e1;
    --color-sidebarHoverBg: #334155;
    --color-sidebarActiveText: #ffffff;
    --color-cardBg: #ffffff;
}

/* Basic Form Styles */
.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-slate-300);
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    color: var(--color-darkText);
    background-color: white;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-accentPink);
    box-shadow: 0 0 0 2px rgba(225, 148, 165, 0.5);
}
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-darkText);
    margin-bottom: 0.25rem;
}
.form-checkbox {
    height: 1rem;
    width: 1rem;
    color: var(--color-accentPink);
    border-color: var(--color-slate-300);
    border-radius: 0.25rem;
}
.form-checkbox:focus {
    --tw-ring-color: var(--color-accentPink);
    box-shadow: 0 0 0 2px var(--tw-ring-color);
}

/* Button Styles */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 600;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.2s;
    cursor: pointer;
}
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--tw-ring-color), 0 0 0 4px #ffffff;
}
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.btn-primary {
    background-color: var(--color-accentPink);
    color: var(--color-lightText);
    --tw-ring-color: var(--color-accentPink);
    border: none;
}
.btn-primary:hover {
    background-color: var(--color-accentPinkHover);
}
.btn-secondary {
    background-color: var(--color-slate-200);
    color: var(--color-darkText);
    --tw-ring-color: var(--color-slate-400);
    border: none;
}
.btn-secondary:hover {
    background-color: var(--color-slate-300);
}
.btn-danger {
    background-color: var(--color-red-600);
    color: var(--color-lightText);
    --tw-ring-color: var(--color-red-500);
    border: none;
}
.btn-danger:hover {
    background-color: var(--color-red-700);
}
.btn-danger-outline {
    background-color: transparent;
    color: var(--color-red-600);
    border: 1px solid var(--color-red-500);
    --tw-ring-color: var(--color-red-500);
}
.btn-danger-outline:hover {
    background-color: var(--color-red-50);
}
.btn-success {
    background-color: var(--color-green-600);
    color: var(--color-lightText);
    --tw-ring-color: var(--color-green-500);
    border: none;
}
.btn-success:hover {
    background-color: var(--color-green-700);
}

/* Loading Spinner */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border-width: 3px;
    border-style: solid;
    border-top-color: currentColor;
    border-right-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Tab Styles */
.tab-btn-container {
    display: flex;
    flex-wrap: wrap; /* Allow tabs to wrap on very small screens */
    gap: 0.5rem;
    padding: 0.25rem;
    background-color: var(--color-slate-100);
    border-radius: 0.5rem;
}
.tab-btn {
    flex: 1 1 auto; /* flexible width */
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-slate-600);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover {
    background-color: var(--color-slate-200);
}
.tab-btn.active {
    background-color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    color: var(--color-accentPink);
}

/* Checkbox Grid Styles */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--color-slate-200);
    border-radius: 0.375rem;
    max-height: 15rem;
    overflow-y: auto;
    background-color: #fafafa;
}
@media (min-width: 768px) {
    .checkbox-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.9rem;
}
.checkbox-label:hover {
    background-color: #f1f5f9;
}

/* Size Row Styles */
.size-row {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr)); /* Stack on mobile */
    gap: 0.75rem;
    align-items: flex-start; /* Better for mobile when stacking inputs */
    padding: 1rem;
    border: 1px solid var(--color-slate-200);
    border-radius: 0.375rem;
    background-color: #f8fafc;
    margin-bottom: 0.75rem;
}
@media (min-width: 768px) {
    .size-row {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        align-items: flex-end;
        padding: 0.75rem;
    }
    .size-row .form-input {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

/* BOGO List Styles */
.bogo-list-item {
    display: flex;
    flex-direction: column; /* Stack on mobile */
    gap: 0.75rem;
    padding: 1rem;
    background-color: white;
    border-radius: 0.375rem;
    border: 1px solid var(--color-slate-200);
    margin-bottom: 0.5rem;
}
@media (min-width: 640px) {
    .bogo-list-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem;
    }
}

.bogo-btn {
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
}
.bogo-btn.delete {
    background-color: transparent;
    color: var(--color-red-600);
    border-color: var(--color-red-500);
}
.bogo-btn.delete:hover {
    background-color: var(--color-red-50);
}
.bogo-btn.delete.bg-red-200 { /* Confirmation */
    background-color: var(--color-red-600);
    color: white;
    border-color: var(--color-red-600);
}
.bogo-btn.edit {
    background-color: transparent;
    color: var(--color-blue-500);
    border-color: var(--color-blue-500);
}
.bogo-btn.edit:hover {
    background-color: var(--color-blue-50);
}

/* Navigation Styles */
/* Desktop Sidebar Links */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
    width: 100%;
    border: none;
    background-color: transparent;
    color: var(--color-sidebarText);
    cursor: pointer;
}
.nav-link:hover {
    background-color: var(--color-sidebarHoverBg);
    color: var(--color-sidebarActiveText);
}
.nav-link.active {
    background-color: var(--color-accentPink);
    color: var(--color-sidebarActiveText);
}
.nav-link.active svg {
    color: var(--color-sidebarActiveText);
}

/* Mobile Bottom Nav Links */
.mobile-nav-link {
    background: transparent;
    border: none;
    color: var(--color-sidebarText);
    transition: color 0.2s;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
}
.mobile-nav-link:hover {
    color: white;
}
.mobile-nav-link.active {
    color: var(--color-accentPink);
    background-color: rgba(30, 41, 59, 0.8); /* Slight background for clarity */
}
.mobile-nav-link.active span {
    font-weight: 600;
}

/* Dashboard Cards */
.nav-link-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background-color: var(--color-cardBg);
    border: 1px solid var(--color-slate-200);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.2s;
    cursor: pointer;
    text-align: left;
}
.nav-link-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-color: var(--color-accentPink);
}
.nav-link-card > span {
    flex-grow: 1;
}
.nav-link-card > svg, .nav-link-card > span.text-xl {
    align-self: flex-end;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}