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

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

/* SHARED LAYOUT */

.container {
    max-width: 1200px;
    margin: 20px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 2px solid #007bff;
    padding-bottom: 12px;
}

.subtitle {
    color: #666;
    margin-top: 4px;
}

.user-info {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-name {
    font-weight: 700;
    color: #333;
}

button {
    padding: 8px 14px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button.secondary {
    background: #6c757d;
}

button.delete {
    background: #dc3545;
}

button.small {
    padding: 4px 8px;
    font-size: 12px;
}

.hidden {
    display: none !important;
}

.section {
    margin-top: 20px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #333;
}

input,
select,
textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 14px;
}

textarea {
    min-height: 80px;
    resize: vertical;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th,
td {
    padding: 10px;
    border-bottom: 1px solid #eee;
    text-align: left;
    font-size: 14px;
}

th {
    background: #f8f9fa;
}

.actions button {
    padding: 6px 8px;
    margin-right: 6px;
    font-size: 12px;
}

.message {
    padding: 10px;
    border-radius: 4px;
    display: none;
    margin-bottom: 12px;
    font-size: 14px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* HOMEPAGE */

.homepage {
    padding: 30px;
    color: #333;
}

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

.homepage-text {
    margin-top: 12px;
    color: #555;
}

.homepage-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 18px;
}

/* PROFILE */

.profile-section {
    display: flex;
    justify-content: center;
}

.profile-box {
    border: 1px solid #eee;
    padding: 12px;
    border-radius: 6px;
    max-width: 480px;
}

.profile-box h3 {
    margin-bottom: 10px;
}

.profile-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

/* MAIN LAYOUT WITH SIDEBAR */

.layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.sidebar {
    width: 230px;
    border-right: 1px solid #eee;
    padding-right: 16px;
}

.sidebar h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #333;
}

.sidebar .nav-btn {
    display: block;
    width: 100%;
    text-align: left;
    margin-bottom: 8px;
}

.main-content {
    flex: 1;
    min-height: 200px;
}

/* AUTH PAGE */

.auth-container {
    max-width: 450px;
    margin: 80px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.auth-title {
    text-align: center;
    margin-bottom: 20px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid #ddd;
    margin-bottom: 16px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    color: #666;
}

.auth-tab.active {
    color: #007bff;
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

/* FORMS / SECTIONS */

.form-actions {
    margin-top: 8px;
}

.section-toolbar {
    margin-bottom: 10px;
}

.section-toolbar button + button {
    margin-left: 6px;
}

/* RELATIONSHIPS */

.relationship-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.relationships-list {
    margin-top: 18px;
}

/* APP WRAPPER */

.app-wrapper {
    padding: 20px;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #eee;
        padding-right: 0;
        padding-bottom: 12px;
        margin-bottom: 12px;
    }
}