/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--theme-bg, #f4f4f9);
    color: var(--theme-text, #333);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header (Top Bar) */
.top-bar {
    height: 50px;
    background-color: var(--theme-surface, #1f2937);
    color: var(--theme-text, white);
    display: flex;
    align-items: center;
    padding: 0 20px;
    justify-content: space-between;
    border-bottom: 1px solid var(--theme-border, transparent);
}

.top-bar .logo {
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 15px;
}

.top-bar .title {
    flex-grow: 1;
}

.top-bar .title a {
    color: var(--theme-text, white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
}

.top-bar .title a:hover {
    text-decoration: underline;
    color: var(--theme-primary, white);
}

.top-bar .settings-icon {
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--theme-text, white);
}

.top-bar .settings-icon:hover {
    color: var(--theme-primary, #9ca3af);
}

/* App Layout Structure */
.layout-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar (Left) */
.sidebar {
    width: 250px;
    background-color: var(--theme-surface, #fff);
    border-right: 1px solid var(--theme-border, #e5e7eb);
    display: flex;
    flex-direction: column;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
}

.nav-btn {
    background: none;
    border: none;
    text-align: left;
    padding: 15px 20px;
    font-size: 1rem;
    color: var(--theme-text, #4b5563);
    cursor: pointer;
    border-left: 4px solid transparent;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.nav-btn:hover {
    background-color: var(--theme-bg, #f3f4f6);
}

.nav-btn.active {
    background-color: var(--theme-bg, #eff6ff);
    color: var(--theme-primary, #2563eb);
    border-left-color: var(--theme-primary, #2563eb);
    font-weight: 500;
}

/* Main Content Area (Right) */
.content-area {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    background-color: var(--theme-bg, #f4f4f9);
}

.panel {
    display: none;
}

.panel.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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

h2 {
    margin-bottom: 20px;
    color: var(--theme-accent, #111827);
}

h3 {
    margin-bottom: 15px;
    color: var(--theme-text-muted, #374151);
}

button {
    background-color: var(--theme-primary, #2563eb);
    color: #000;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: filter 0.2s;
}

button:hover {
    filter: brightness(1.1);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Panel specific styles */
.results-container,
.create-list-form,
.list-display-panel {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: var(--theme-surface, #fff);
    border: 1px solid var(--theme-border, #e5e7eb);
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.create-list-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}

.create-list-form input {
    padding: 10px;
    background-color: var(--theme-bg, #fff);
    color: var(--theme-text, #000);
    border: 1px solid var(--theme-border, #d1d5db);
    border-radius: 4px;
    width: 300px;
    font-size: 1rem;
}

#create-list-message {
    font-size: 0.9rem;
}

#create-list-message.success {
    color: var(--theme-secondary, #10b981);
}

#create-list-message.error {
    color: var(--theme-accent, #ef4444);
}

.stats-container {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: var(--theme-surface, #f8fafc);
    border: 1px solid var(--theme-border, #e2e8f0);
    border-radius: 6px;
}

.stats-container p {
    margin-bottom: 0.5rem;
}

/* Lists Table */
.lists-table {
    width: 100%;
    border-collapse: collapse;
}

.lists-table th,
.lists-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--theme-border, #e5e7eb);
    color: var(--theme-text, #333);
}

.lists-table th {
    background-color: var(--theme-surface, #f9fafb);
    font-weight: 500;
}

.lists-table tr:hover {
    background-color: var(--theme-bg, #f9fafb);
}

.btn-download {
    background-color: var(--theme-secondary, #10b981);
    color: #000;
    margin-right: 5px;
}

.btn-delete {
    background-color: var(--theme-accent, #ef4444);
    color: #fff;
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none !important;
}

.modal-content {
    background-color: var(--theme-surface, #fff);
    color: var(--theme-text, #333);
    padding: 30px;
    border-radius: 8px;
    width: 350px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--theme-border, #ccc);
}

.modal-content h2 {
    margin-top: 0;
    color: var(--theme-text, #333);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group select {
    padding: 8px;
    font-size: 1rem;
    background-color: var(--theme-bg, #fff);
    color: var(--theme-text, #000);
    border: 1px solid var(--theme-border, #ccc);
    border-radius: 4px;
}