:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-muted: #666666;
    --border-color: #e5e5e5;
    --accent-color: #000000;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    margin-bottom: 60px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: -0.03em;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    letter-spacing: -0.01em;
}

p, ul {
    margin-bottom: 20px;
}

.list-items {
    list-style: none;
    padding: 0;
}

.list-items li {
    margin-bottom: 12px;
}

.date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.project-card {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.project-card h3 {
    margin-top: 0;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--accent-color);
}

.link:hover {
    color: var(--text-muted);
    border-color: var(--text-muted);
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background-color: #f5f5f7;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
}

footer {
    margin-top: 80px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

footer a {
    color: var(--text-muted);
}

/* Styles Panel Administration */
.admin-body {
    max-width: 800px;
}

.admin-section {
    background: #fafafa;
    padding: 25px;
    border-radius: 6px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 5px;
}

input[type="text"], input[type="email"], textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
}

.inline-form {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.btn {
    background: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
}

.btn:hover {
    opacity: 0.9;
}

.admin-list {
    padding-left: 20px;
}

.admin-list li {
    margin-bottom: 8px;
}

.delete-link {
    color: #ff3333;
    margin-left: 10px;
    font-size: 0.9rem;
    text-decoration: none;
}

.admin-skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-tag {
    background: #e5e5e5;
    padding: 5px 10px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.admin-tag a {
    color: #ff3333;
    text-decoration: none;
    font-weight: bold;
}

.alert {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}