/* =========================
   General layout
   ========================= */
html {
  background-image: url("images/frac_tzemos.png");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  background-attachment: fixed;
  min-height: 100%;
}

body {
  margin: 0;
  padding: 0;
  background: transparent; /* ΠΟΛΥ ΣΗΜΑΝΤΙΚΟ */
  min-height: 100vh;

  font-family: Georgia, "Times New Roman", serif;
  color: #000;
}

.page {
  max-width: 1000px;
  margin: 30px auto;
}

/* =========================
   Header
   ========================= */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f6f1e3;
  padding: 25px 30px;
  border: 1px solid #c9be9f;
}

.header-text h1 {
  margin: 0;
  font-size: 34px;
  font-weight: bold;
}

.subtitle {
  margin-top: 6px;
  font-size: 18px;
  font-style: italic;
}

.header-photo img {
  max-height: 120px;
  border: 1px solid #aaa;
}

/* =========================
   Main card
   ========================= */

.card {
  background-color: #ffffff;
  padding: 25px 30px 30px 30px;
  border: 1px solid #c9be9f;
}

/* =========================
   Tabs
   ========================= */

.tabs {
  display: flex;
  border-bottom: 1px solid #c9be9f;
  margin-bottom: 25px;
}

.tabs button {
  background-color: #f4efdd;
  border: 1px solid #c9be9f;
  border-bottom: none;
  padding: 8px 18px;
  margin-right: 4px;
  font-size: 16px;
  font-family: Georgia, "Times New Roman", serif;
  cursor: pointer;
  color: #222;
}

.tabs button:hover {
  background-color: #e1d6b8;
}

.tabs button.is-active {
  background-color: #ffffff;
  font-weight: bold;
  border-bottom: 1px solid #ffffff;
  color: #000;
}

/* =========================
   Panels / content sections
   ========================= */

.panel {
  padding-top: 5px;
}

.panel h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.panel h3 {
  margin-top: 30px;
  font-size: 20px;
}

.panel ol,
.panel ul {
  margin-left: 20px;
}

.panel li {
  margin-bottom: 8px;
}

/* =========================
   CV-style items
   ========================= */

.item {
  margin-bottom: 20px;
}

.item-head {
  display: flex;
  justify-content: space-between;
  font-weight: bold;
}

.item-title {
  font-size: 16px;
}

.item-sub {
  font-style: italic;
  margin-bottom: 4px;
}

/* =========================
   Publications
   ========================= */

#pubs ol {
  margin-left: 22px;
}

#pubs li {
  margin-bottom: 10px;
}

#pubs em {
  font-style: italic;
}

/* =========================
   Links
   ========================= */

a {
  color: #003366;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* =========================
   Footer
   ========================= */

.footer {
  margin-top: 40px;
  padding-top: 10px;
  border-top: 1px solid #c9be9f;
  font-size: 13px;
  color: #444;
  text-align: right;
}

/* =========================
   Utility
   ========================= */

[hidden] {
  display: none;
}


#conf-pubs li {
  margin-bottom: 1.2em;
}

li .video-container {
  margin-top: 0.5rem; /* ή 0.75rem */
}






body {
  font-size: 14px;
}