:root {
    /* Colors */
    --color-primary: #1d539f;
    --color-bg: #f5f5f9;
    --color-white: #ffffff;
    --color-text: #333;
    --color-text-muted: #555;
    --color-text-subtle: #777;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-accent: #f8b92a;

    /* Typography */
    --font-base: "Roboto", serif;
    --font-weight-bold: 700;
    --line-height-body: 1.6;
    --font-size-hero: 50px;
    --font-size-section-title: 32px;
    --font-size-body: 16px;
    --font-size-small: 14px;

    /* Layout */
    --content-width: 800px;
    --radius: 6px;
    --hobby-image-size: 110px;
}

p,
h1,
h2,
h3,
h4,
h5,
h6,
button {
    font-family: var(--font-base);
}

body {
    background-color: var(--color-bg);
    background-size: cover;
    width: auto;
    overflow-x: hidden;
    font-family: var(--font-base);
    margin: 0px;
}

.nav-bar {
    width: 100%;
    display: inline-block;
    background-color: var(--color-primary);
    font-family: var(--font-base);
    font-weight: var(--font-weight-bold) !important;
    padding-top: 10px;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-content .nav-logo {
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-logo img {
    width: 150px;
}

.nav-content nav {
    display: flex;
    gap: 24px;
}

.nav-content nav a {
    color: var(--color-white);
    font-size: 16px;
    font-weight: var(--font-weight-bold);
}

.nav-content nav a:hover {
    text-decoration: underline;
}

.nav-content nav a.active {
    color: var(--color-accent);
}

.profile {
    background-color: var(--color-primary) !important;
    text-align: center;
    height: 320px;
    margin-bottom: 50px;
}

.profile h1 {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.profile img {
    border-radius: 50%;
    max-width: 100%;
    max-height: 100%;
    margin-left: auto;
    margin-right: auto;
    display: block;
    padding: 20px;
}

.profile .profile-picture {
    margin-bottom: 30px;
    height: 200px;
}

.banner {
    padding: 20px 0px 50px 0px;
    height: 150px;
    background-color: var(--color-primary);
}

.banner .logo {
    max-width: 180px;
    max-height: 60px;
    width: auto;
    height: auto;
}

.banner .title {
    color: var(--color-white);
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
}

.about {
    max-width: var(--content-width);
    margin: 0 auto 50px auto;
    padding: 0 20px;
    text-align: center;
}

.about h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
}

.about p {
    color: var(--color-text);
    font-size: 18px;
    line-height: var(--line-height-body);
    margin-bottom: 16px;
}

.experience {
    max-width: var(--content-width);
    margin: 50px auto;
    padding: 0 20px;
}

.experience h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    text-align: center;
}

.experience-item {
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.experience-header h3 {
    color: var(--color-primary);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin: 0 0 4px 0;
}

.experience-company {
    display: inline-block;
    color: var(--color-text);
    font-weight: 500;
    margin-right: 12px;
}

.experience-location {
    display: inline-block;
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    margin-right: 12px;
}

.experience-date {
    display: inline-block;
    color: var(--color-text-subtle);
    font-size: var(--font-size-small);
}

.experience-item p {
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    margin: 12px 0 0 0;
}

.experience-bullets {
    margin: 12px 0 0 0;
    padding-left: 20px;
}

.experience-bullets li {
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    margin-bottom: 8px;
}

.advisor {
    color: var(--color-text-muted);
    font-size: 15px;
}

.advisor strong {
    color: var(--color-primary);
}

.education {
    max-width: var(--content-width);
    margin: 50px auto;
    padding: 0 20px;
}

.education h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    text-align: center;
}

.education-item {
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.education-header h3 {
    color: var(--color-primary);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin: 0 0 4px 0;
}

.education-degree {
    display: inline-block;
    color: var(--color-text);
    font-weight: 500;
    margin-right: 12px;
}

.education-location {
    display: inline-block;
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    margin-right: 12px;
}

.education-date {
    display: inline-block;
    color: var(--color-text-subtle);
    font-size: var(--font-size-small);
}

.education-item p {
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    margin: 12px 0 0 0;
}

.hobbies {
    max-width: var(--content-width);
    margin: 50px auto;
    padding: 0 20px;
}

.hobbies h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    text-align: center;
}

.hobby-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.hobby-image {
    width: var(--hobby-image-size);
    height: var(--hobby-image-size);
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
}

.hobby-body h3 {
    color: var(--color-primary);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin: 0 0 6px 0;
}

.hobby-body p {
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    margin: 0;
}

.travel {
    max-width: var(--content-width);
    margin: 50px auto;
    padding: 0 20px;
    text-align: center;
}

.travel h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
}

.travel-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-body);
    margin-bottom: 24px;
}

.map-container {
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    overflow: hidden;
}

.timeline {
    max-width: var(--content-width);
    margin: 50px auto;
    padding: 0 20px;
}

.timeline h2 {
    color: var(--color-primary);
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-bold);
    margin-bottom: 24px;
    text-align: center;
}

.timeline-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background-color: var(--color-white);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    padding: 20px 24px;
    margin-bottom: 32px;
}

.timeline-form .form-row {
    display: flex;
    gap: 12px;
}

.timeline-form input,
.timeline-form textarea {
    width: 100%;
    box-sizing: border-box;
    font-family: var(--font-base);
    font-size: var(--font-size-body);
    color: var(--color-text);
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
}

.timeline-form textarea {
    resize: vertical;
}

.timeline-form input:focus,
.timeline-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.timeline-form button {
    align-self: flex-end;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-body);
    border: none;
    border-radius: var(--radius);
    padding: 10px 24px;
    cursor: pointer;
}

.timeline-form button:hover {
    background-color: #17427f;
}

.form-error {
    color: #c0392b;
    font-size: var(--font-size-small);
    margin: 0;
    min-height: 1em;
}

.timeline-item {
    display: flex;
    gap: 16px;
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--color-shadow);
    padding: 16px 20px;
    margin-bottom: 16px;
}

.timeline-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
    background-color: var(--color-bg);
}

.timeline-body {
    flex: 1;
    min-width: 0;
}

.timeline-header {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin-bottom: 6px;
}

.timeline-name {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.timeline-email {
    color: var(--color-text-subtle);
    font-size: var(--font-size-small);
}

.timeline-date {
    margin-left: auto;
    color: var(--color-text-subtle);
    font-size: var(--font-size-small);
}

.timeline-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    padding: 2px 6px;
    border-radius: var(--radius);
    opacity: 0.55;
}

.timeline-delete:hover {
    opacity: 1;
    background-color: var(--color-bg);
}

.timeline-content {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.timeline-empty {
    color: var(--color-text-subtle);
    text-align: center;
}