:root {
  --txt-color: oklch(0.9 0 99);
  --bg-color: oklch(0.15 0.01 338.64);
  --light-bg-color: oklch(0.25 0.01 338.64);
  --login-bg-color: #5d7680;
  --primary-btn-color: #7bad9f;
  --accent-normal: #7bad9f;
  --accent-muted: #ff746c;
  --accent-deafened: #464459;
  --line-width: 2px;
  --line-color: oklch(0.7 0 0.99);
}

body {
  margin: 0;
}

#main {
  visibility: visible;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  background-color: var(--bg-color);
  overflow: auto;
  color: var(--txt-color);

  font-family: Nunito;
  font-size: 15pt;
  font-weight: 600;
}

hr {
  color: var(--line-color);
  background-color: var(--line-color);
  height: var(--line-width);
  border: none;
}

button {
  font-weight: bold;
  font-size: medium;
  border: none;
  border-radius: 4px;
  color: var(--txt-color);
  background-color: var(--primary-btn-color);
  cursor: pointer;
}

input {
  border: none;
  border-radius: 4px;
  background-color: white;
  color: black;
}

input:focus,
input:focus-visible {
  border: none;
  outline: solid var(--line-width) var(--accent-normal);
  outline-offset: -3px;
}

a:link {
  color: var(--accent-normal);
}

a:visited {
  color: var(--accent-muted);
}

.userpil {
  border-radius: 100px;
  padding: 4px 8px;
  width: fit-content;

  img {
    height: 1em;
    vertical-align: text-bottom;
  }

  &.is_self {
    font-weight: bolder;
  }
}


.channel_header {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.channel_arrow {
    width: 1em;
    text-align: center;
    margin-right: 0.25rem;
}

.channel_arrow--placeholder {
    pointer-events: none;
    visibility: hidden;
}

/* The whole right side of the row is the dblclick target */
.channel_row_click {
    flex: 1;
    padding: 0.1rem 0.25rem 0.1rem 0.5rem;
    cursor: pointer;
}

/* Hover highlight for whole row area (title + blank space) */
.channel_row_click:hover {
    background-color: var(--channel-hover-bg, #222); /* pick your color */
}


/* still keep text non-selectable if desired */
.channel_details {
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.channel {
  &_details {
    flex: 0 0 100%;

    summary {
      cursor: pointer;
    }

    summary:focus-visible {
      outline: none;
    }
  }

  &_children {
    border-left: solid var(--line-color) var(--line-width);
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: 5px;
    padding-left: 11px;
    padding-top: 4px;
  }
}

.chat {
  &_panel {
    display: flex;
    flex-direction: column;
  }

  &_history {
    overflow-y: auto;
    flex: 1 0 0;
  }

  &_message {
    display: flex;
    flex-direction: row;
    margin: 16px;
    gap: 8px;
    align-items: center;
  }

  &_box_wrapper {
    padding: 16px;
    border-top: solid var(--line-color) var(--line-width);
  }

  &_box {
    display: flex;
    flex-direction: row;
    gap: 16px;

    background-color: var(--light-bg-color);

    padding-top: 16px;
    padding-bottom: 16px;

    padding-left: 8px;
    padding-right: 16px;

    border-radius: 8px;

    input {
      color: white;
      background-color: var(--light-bg-color);

      font-size: larger;

      flex-grow: 1;

      border: none;
    }

    input:focus {
      outline: none;
    }
  }
}

.user_edit_button {
  background-color: oklch(0.53 0.1431 264.18);
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  flex-shrink: 0;

  .material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 700, 'GRAD' 0, 'opsz' 48;
  }
}

.button_row {
  display: flex;
  gap: clamp(4px, 1vw, 10px);
  align-items: center;
  flex-wrap: nowrap;
  min-height: 0;

  .spacer {
    flex-grow: 1;
    flex-shrink: 1;
    min-width: 0;
  }

  .connection_status {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex-shrink: 1;

    .material-symbols-outlined {
      font-variation-settings: 'FILL' 1, 'wght' 700, 'GRAD' 0, 'opsz' 48;
      vertical-align: middle;
    }
  }

  .user_info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    flex-shrink: 1;

    .user_name {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .user_data {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }
}

.toggle_button {
  padding: clamp(4px, 0.5vw, 8px);
  aspect-ratio: 1 / 1;
  flex-shrink: 0;

  background-color: unset;

  border: solid rgb(255 255 255 / 0.1) clamp(1px, 0.3vw, 3px);
  border-radius: clamp(4px, 0.8vw, 10px);
  color: rgb(255 255 255 / 50%);

  transition: all 0.5s ease-in-out;

  &.is_on {
    background-color: oklch(0.5 0.1381 21.71 / 20.12%);
    color: oklch(0.53 0.1505 21.71 / 89.38%);
  }

  .material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 700, 'GRAD' 0, 'opsz' 48;
    vertical-align: middle;
  }
}

.server {
  &_grid {
    display: grid;
    height: 100%;
    background-color: var(--bg-color);

    grid-template-rows: 1fr auto;
    grid-template-columns: 1fr 2fr;
    grid-template-areas:
      "tree chat"
      "control chat";

    @media screen and (max-width: 720px) {
      grid-template-rows: auto 1fr 1fr;
      grid-template-columns: 1fr;
      grid-template-areas:
        "tree"
        "control"
        "chat";
    }
  }

  &_channel_box {
    padding: 16px;
    overflow: auto;
    grid-area: tree;
  }

  &_chat_box {
    display: flex;
    flex-direction: row;
    grid-area: chat;
    border-left: solid var(--line-color) var(--line-width);

    @media screen and (max-width: 720px) {
      border-left: unset;
      border-top: solid var(--line-color) var(--line-width);
    }
  }

  &_control_box {
    padding: clamp(6px, 0.8vw, 12px);
    margin: clamp(6px, 0.8vw, 12px);
    background-color: var(--light-bg-color);
    border-radius: clamp(6px, 1vw, 10px);
    overflow: hidden;
    grid-area: control;

    display: flex;
    gap: clamp(4px, 0.8vw, 8px);
    flex-direction: column;

    // Dynamic font sizing for control elements
    --control-icon-size: clamp(16px, 2.5vw, 30px);
    --control-text-size: clamp(12px, 2vw, 25px);
    --control-small-text-size: clamp(10px, 1.5vw, 20px);
    --user-icon-size: clamp(24px, 4vw, 45px);
    --toggle-icon-size: clamp(18px, 3vw, 35px);

    .connection_status {
      .material-symbols-outlined {
        font-size: var(--control-icon-size);
      }
      .status_text {
        font-size: var(--control-text-size);
      }
      .channel_text {
        font-size: var(--control-small-text-size);
      }
    }

    .user_edit_button {
      .material-symbols-outlined {
        font-size: var(--user-icon-size);
      }
    }

    .user_info {
      .user_name {
        font-size: var(--control-text-size);
      }
      .user_data {
        font-size: var(--control-small-text-size);
      }
    }

    .toggle_button {
      .material-symbols-outlined {
        font-size: var(--toggle-icon-size);
      }
    }

    hr {
      margin: 0;
    }
  }
}

.login {
  max-width: 50vw;
  align-self: center;
  padding: 32px;
  border-radius: 16px;
  background-color: var(--login-bg-color);

  display: flex;
  flex-direction: column;
  gap: 16px;

  input,
  button {
    padding: 8px;
  }

  h1 {
    margin: 0;
    color: #b3c6b4;
  }

  &_version {
    color: var(--txt-color);
    font-weight: normal;
  }

  &_bttn {
    font-weight: bold;
    font-size: large;
  }

  &_error {

    background-color: white;
    border-radius: 4px;
    overflow: auto;
    padding: 4px;
    color: red;

    pre {
      color: black;
    }
  }

  &_status {
    &.is_error {
      color: red;
    }
  }
}

.server-list-page {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
}

.server-list-page h1 {
    text-align: center;
}

.login_version {
    font-size: 0.55em;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.4);
    vertical-align: middle;
}

.server-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 500px;
    margin: 0 auto;
}

/* Rounded card */
.server-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.server-card__icon {
    width: 32px;
    height: 32px;
    opacity: 0.65;
    filter: brightness(0) invert(0.8); /* light gray */
    flex-shrink: 0;
}

.server-card__info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    flex: 1;           /* pushes the connect button to the far right */
    min-width: 0;      /* prevents text overflow from breaking flex layout */
}

.server-card__name {
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.server-card__address {
    font-size: 0.78rem;
    opacity: 0.55;
}


.server-card__action {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    line-height: 0;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.07);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.server-card__action img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(0.8); /* light gray */
    opacity: 0.75;
    transition: opacity 0.15s;
}

.server-card__action:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
    transform: scale(1.08);
}

.server-card__action:hover img {
    opacity: 1.0;
}

.server-card__action:active {
    transform: scale(0.95);
}

/* Override mode username row */

.override-username-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.override-username-input {
    flex: 1;
    padding: 0.55rem 0.6rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.override-username-input:focus {
    border-color: rgba(255, 255, 255, 0.55);
    background: rgba(0, 0, 0, 0.55);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.override-username-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

/* Connect action button highlight */

.server-card__action--connect:hover {
    background: rgba(67, 156, 255, 0.3);
    border-color: rgba(67, 156, 255, 0.6);
}

/* Ping info on server card */

.server-card__ping {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.1rem;
    font-size: 0.75rem;
    opacity: 0.6;
    flex-shrink: 0;
    min-width: 60px;
    text-align: right;
}