:root {
    --primary: #2563eb;
    /* Standard Blue */
    --primary-dark: #1d4ed8;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: 'Inter', 'K2D', sans-serif;
    background-color: var(--slate-50);
    color: var(--text-main);
    line-height: 1.5;
}

.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: #0f172a;
    border-right: 1px solid #1e293b;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.brand {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: white;
    border-bottom: 1px solid #1e293b;
}

.brand img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
}

.brand-text {
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.2;
}

.nav-menu {
    list-style: none;
    padding: 1.5rem 1rem;
    flex-grow: 1;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover {
    background-color: #1e293b;
    color: white;
}

.nav-link.active {
    background-color: #0369a1;
    color: white;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    margin-left: 260px;
    padding: 2rem 3rem;
    width: calc(100% - 260px);
}

.page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--slate-900);
}

.date-display {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Standard Cards */
.card {
    background-color: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--slate-900);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background-color: var(--slate-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-900);
}

/* Forms & Questions */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.question-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

.question-item:last-child {
    border-bottom: none;
}

.question-text {
    font-weight: 500;
    margin-bottom: 1rem;
    display: block;
}

.options-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.option-label input[type="radio"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

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

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

.btn-outline {
    background-color: white;
    border-color: var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--slate-50);
    border-color: var(--text-muted);
}

/* Table */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 0.75rem 1rem;
    background-color: var(--slate-50);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

tr:hover td {
    background-color: var(--slate-50);
}

/* Sections */
.section {
    display: none;
}

.section.active {
    display: block;
}

/* Mobile */
.mobile-header {
    display: none;
    padding: 1rem;
    background-color: white;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 200;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 1.5rem;
    }

    .mobile-header {
        display: flex;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

#loading {
    position: fixed;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--slate-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s;
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.gift-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--slate-100);
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.description-section {
    margin-top: 1.5rem;
}

.description-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--slate-800);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.description-text {
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.clickable-gift {
    cursor: pointer;
    transition: all 0.2s;
}

.clickable-gift:hover {
    background-color: #eff6ff !important;
    border-color: var(--primary) !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}