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

body {
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100vh;
  background-color: #ccd3de;
}

hr {
  margin: 20px 0;
}

#root {
  background-color: white;
  width: 100%;
  height: 100vh;
  max-width: 960px;
  margin: 0 auto;
}

#home-container {
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr;
}

#home-header {
  text-align: center;
  margin: 20px 0;
  color: rgb(0, 73, 101);
}

#chat-widget-home {
  padding: 30px;
}

#chat-widget-home input {
  width: 100%;
  max-width: 300px;
  padding: 8px 10px;
  font-size: 1.1rem;
  border-radius: 8px;
  border: none;
  outline: none;
  background-color: rgb(207, 207, 207);
}

#chat-widget-home label {
  font-size: 0.9rem;
  margin-bottom: 5px;
}

#chat-widget-home div {
  margin-bottom: 20px;
}

#chat-widget-home button {
  height: calc(1.1rem + 20px);
  padding: 5px 10px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
}

#name-input {
  display: flex;
  flex-direction: column;
}

#name-row {
  display: flex;
  gap: 10px;           
  align-items: center; 
  margin-bottom: 20px;
}

#name-row input {
  flex: 1; 
}

#continue {
  padding: 8px 16px;
  white-space: nowrap; /* keeps “Continue” on one line */
}

#code-label {
  display: block;
}

#continue {
  border: 2px solid green;
  color: white;
  background-color: green;
  transition: all 0.1s ease-in;
}

#continue:hover {
  background-color: white;
  color: green;
}

#root:has(#topic-container) {
  min-height: 100vh;
  height: auto; /* override the default 100vh */
}

#topic-container {
  padding: 20px 40px 20px 40px;
  /* text-align: center; */
  color: rgb(0, 73, 101);
  min-height: 100vh;
}

#topic-container h1 {
  margin-bottom: 10px;
  font-size: 2rem;
  text-align: center;
}

#topic-container p {
  margin-bottom: 30px;
  font-size: 1.1rem;
  color: rgb(40, 40, 40);
  text-align: center;
}

#topic-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

#topic-list form {
  width: 100%;
  max-width: 350px;
  display: flex;
  justify-content: center;
}

.topic-btn {
  width: 100%;
  padding: 15px 20px;
  border-radius: 12px;
  border: 3px solid rgb(0, 73, 101);
  background-color: white;
  font-size: 1.1rem;
  font-weight: 700;
  color: rgb(0, 73, 101);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.topic-btn:hover {
  background-color: rgb(0, 73, 101);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}

.topic-block {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: justify;
  margin-bottom: 10px;
}

.topic-form-desc {
    width: 100%;
    margin-top: 15px;
    font-size: 1rem;
    line-height: 1.5;
    text-align: justify !important;
}

/* Make spacing look balanced on larger screens */
@media (min-width: 600px) {
  #topic-container {
    padding-top: 60px;
  }
}

#error {
  width: calc(100% - 60px);
  margin: 0 auto;
  padding: 10px;
  background-color: rgb(255, 210, 210);
  color: red;
  border-radius: 10px;
  font-weight: 900;
}

#room-container {
  height: 100%;
  display: grid;
  grid-template-rows: repeat(2, auto) 1fr;
  padding: 0 30px;
  padding-bottom: 30px;
}

#room-subsection {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  /* align-items: center; */
  margin-bottom: 20px;
}

#room-code-display {
  color: rgb(0, 73, 101);
}

#room-code-display .topic-title {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
  color: rgb(40, 40, 40);
  font-family: monospace;
  padding: 8px 5px;
}

#end-exp-btn {
  color: white;
  background-color: rgb(0, 73, 101);
  font-weight: 800;
  text-decoration: none;
  padding: 6px;
  border: 2px solid rgb(0, 73, 101);
  display: inline-block;
  margin-top: 5px;
  border-radius: 10px;
  transition: all 0.1s ease-in;
}

#end-exp-btn:hover {
  color: rgb(0, 73, 101);
  background-color: white;
}

#abort-exp-btn {
  color: white;
  background-color: rgb(226, 29, 29);
  font-weight: 800;
  text-decoration: none;
  padding: 6px;
  border: 2px solid rgb(226, 29, 29);
  display: inline-block;
  margin-top: 5px;
  border-radius: 10px;
  transition: all 0.1s ease-in;
}

#abort-exp-btn:hover {
  color: rgb(226, 29, 29);
  background-color: white;
}

.topic-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.topic-header-info {
  display: flex;
  gap: 20px;
  align-items: center;
}

/*
.topic-header-buttons {
  display: flex;
  gap: 20px;
  align-items: center;
}
*/

#room-topic-desc {
    margin-top: 20px;
    font-size: 1rem;
    line-height: 1.5;
    text-align: justify;
}

#chat-room-widget {
  height: 100%;
  position: relative;
  background-color: #e1eaf7;
  border: 4px solid #e1eaf7;
  border-radius: 15px;
}

#msgs-container {
  position: absolute;
  height: calc(100% - 50px);
  width: 100%;
  overflow-y: auto;
  background-color: #e1eaf7;
  padding: 10px;
}

#msgs-container > ul {
  list-style: none;
}

#message-box {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 50px;
  display: flex;
  align-items: flex-end;
}

#message-input {
  flex-grow: 1;
  resize: none;
  overflow-y: hidden;
  padding: 10px;
  font-size: 1.1rem;
  font-family: inherit;
  outline: none;
  border: 4px solid #e1eaf7;
  border-right: none;
  background-color: white;
  border-bottom-left-radius: 15px;
  min-height: 50px;
  max-height: 200px;
}

#send-btn {
  padding: 0 20px;
  font-size: 1.1rem;
  border: 4px solid #e1eaf7; 
  border-left: none;
  background-color: rgb(0, 100, 140);
  color: white;
  cursor: pointer;
  border-bottom-right-radius: 15px;
  transition: all 0.1s ease-in;
  height: 50px;
  box-sizing: border-box;
}

#send-btn:hover {
  background-color: rgb(46, 175, 225);
}

.message-item {
  background-color: white;
  border-radius: 10px;
  padding: 10px;
  width: fit-content;
  max-width: 700px;
  margin: 10px 0;
}

.message-item p {
  word-wrap: break-word; 
  overflow-wrap: break-word;
  word-break: break-word;
  white-space: pre-wrap;
  margin-bottom: 10px;
}

.peer-message-item {
  background-color: rgb(0, 100, 140);
  color: white;
  border-bottom-left-radius: 0;
}

.self-message-item {
  margin-left: auto;
  margin-right: 0;
  border-bottom-right-radius: 0;
}

.chat-user-sender {
  color: rgb(30, 30, 30);
  font-size: 1.1rem;
  background-color: rgb(230, 230, 230);
  border-radius: .5rem;
  padding: 2px 4px;
}

.chat-sender {
  color: white;
  font-size: 1.1rem;
  background-color: rgb(0, 75, 115);
  border-radius: .5rem;
  padding: 2px 4px;
}

.member-activity {
  text-align: center;
  margin: 10px 0;
  color: grey;
}

.modal {
  display: none;
  position: fixed;
  top: 0; 
  left: 0;
  width: 100%; 
  height: 100%;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(2px);
  z-index: 2000;
}

.modal-content {
  background: #ffffff;
  color: #333;
  border-radius: 12px;
  padding: 24px 28px;
  width: 380px;
  max-width: 90%;
  margin: 12% auto; /* centers vertically */
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  animation: fadeIn 0.25s ease-out;
  text-align: center;
}

.modal-content h3 {
  font-weight: bold;
  font-size: 1.50rem;
  line-height: 1.4;
  margin-bottom: 22px;
}

.modal-content p {
  font-size: 1.05rem;
  line-height: 1.4;
  margin-bottom: 22px;
}

.modal-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.modal-btn {
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: bold;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: 0.15s ease-in-out;
}

#abortYesBtn {
  background: #d9534f;
  color: white;
}

#abortYesBtn:hover {
  background: #c9302c;
}

#abortNoBtn {
  background: #e5e5e5;
  color: #333;
}

#abortNoBtn:hover {
  background: #ccc;
}

#topicYesBtn {
  background: green;
  color: white;
}

#topicYesBtn:hover {
  background: #016601;
}

#topicNoBtn {
  background: #e5e5e5;
  color: #333;
}

#topicNoBtn:hover {
  background: #ccc;
}

#welcomeOkBtn {
  background: green;
  color: white;
}

#welcomeOkBtn:hover {
  background: #016601;
}

#idYesBtn {
  background: green;
  color: white;
}

#idYesBtn:hover {
  background: #016601;
}

#idNoBtn {
  background: #e5e5e5;
  color: #333;
}

#idNoBtn:hover {
  background: #ccc;
}

#endYesBtn {
  background: rgb(0, 73, 101);
  color: white;
}

#endYesBtn:hover {
  background: #016991;
}

#endNoBtn {
  background: #e5e5e5;
  color: #333;
}

#endNoBtn:hover {
  background: #ccc;
}

.landing-links{
  display: flex;
  justify-content: center;
  margin-top: 20vh;
}

.landing-links button {
  width: 60vh;
  height: 20vh;
  padding: 5px 10px;
  border: 5px solid black;
  border-radius: 10px;
  font-weight: 700;
  font-size: 4rem;
  letter-spacing: 1px;
  cursor: pointer;
  color: white;
  background-color: darkred;
}

.landing-links button:hover {
  background-color: white;
  color: darkred;
}

.tooltip {
  display: inline-block;
  cursor: pointer;
  position: relative;
}
.tooltiptext {
  font-weight: normal;
  font-size: 1rem;
  line-height: 2rem;
  width: 30rem;
  visibility: hidden;
  background-color: rgba(40, 40, 40, 0.96);
  color: #fff;
  text-align: center;
  border-radius: .4rem;
  padding: .3rem .5rem;
  position: absolute;
  z-index: 1;
  opacity: 0;
  transition: opacity .03s ease;
}
.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}
.prompt-btn {
  font-size: 1rem;
  padding: 6px;
  font-weight: 400;
  text-decoration: none;
  display: inline-block;

  background-color: darkgreen;
  color: #fff;
  border: 2px solid darkgreen;
  border-radius: 10px;

  cursor: pointer;
  line-height: 1;
}
.prompt-btn:hover {
  background-color: white;
  color: darkgreen;
}