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

html, body {
  height: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  transition: background-color 0.2s, color 0.2s;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
}

a {
  color: var(--color-secondary);
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

input, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
}

.hidden {
  display: none !important;
}

/* ── Logo theme variants ── */
.logo--dark  { display: none; }
.logo--light { display: block; }

[data-theme="dark"] .logo--dark  { display: block; }
[data-theme="dark"] .logo--light { display: none; }

/* ── Login ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

.login-card .logo {
  max-width: 200px;
  margin: 0 auto var(--spacing-sm);
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.login-card input[type="email"],
.login-card input[type="password"] {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.login-card input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
}

.btn-primary:hover {
  background: var(--color-primary-alt);
}

.error-msg {
  color: #d32f2f;
  font-size: 0.9rem;
  line-height: 1.4;
}

[data-theme="dark"] .error-msg {
  color: #ef9a9a;
}

/* ── Top menu ── */
.top-menu {
  height: 56px;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-md);
  position: sticky;
  top: 0;
  z-index: 10;
}

.top-menu .logo {
  height: 32px;
  width: auto;
}

.top-menu__spacer {
  flex: 1;
}

.menu-trigger {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.4rem;
  padding: 4px 8px;
  border-radius: var(--radius);
  position: relative;
}

.menu-trigger:hover {
  background: var(--color-bg);
}

.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  min-width: 180px;
  z-index: 20;
  overflow: hidden;
}

.dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-size: 0.95rem;
}

.dropdown button:hover {
  background: var(--color-bg);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: var(--spacing-md);
}

.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.modal-box h2 {
  font-size: 1.2rem;
}

.modal-box form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.modal-box input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.modal-box input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

/* ── Profile fields (icon + content rows) ── */
.profile-field {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* In edit mode the input fills available space */
.profile-field input {
  flex: 1;
  min-width: 0;
  width: auto;
}

.field-icon {
  flex-shrink: 0;
  color: var(--color-primary-alt);
  opacity: 0.65;
}

.profile-field__value {
  font-size: 0.95rem;
}

.profile-field--name {
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2px;
}

.profile-field__name {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-title);
  color: var(--color-primary);
}

.profile-field__link {
  color: var(--color-secondary);
  font-size: 0.9rem;
  word-break: break-all;
  text-decoration: none;
}
.profile-field__link:hover { text-decoration: underline; }

/* ── Confirm dialog ── */
.dialog-box {
  max-width: 340px;
  gap: var(--spacing-sm);
}

.dialog-message {
  font-size: 0.95rem;
  line-height: 1.5;
}

.dialog-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.btn--danger {
  background: #c62828;
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 6px var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
}
.btn--danger:hover { background: #b71c1c; }

/* ── Rooms layout ── */
.rooms-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 56px);
}

.tabs {
  display: flex;
  overflow-x: auto;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.tab {
  flex-shrink: 0;
  padding: 6px var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  font-size: 0.9rem;
  white-space: nowrap;
}

.tab:hover { background: var(--color-bg); }

.tab--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.content-area {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.video-col {
  display: flex;
  flex-direction: column;
}

.video-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Chat col + drawer (mobile-first) ── */
.chat-col {
  display: flex;
  flex-direction: column;   /* mobile: handle on top, content below */
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  flex: 1;
  overflow: hidden;
  transition: height 0.2s ease;
}

.chat-drawer-handle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 32px;
  background: var(--color-surface);
  border: none;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.8rem;
  opacity: 0.55;
  letter-spacing: 0.03em;
}
.chat-drawer-handle:hover { opacity: 1; background: var(--color-bg); }

.chat-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-col--collapsed .chat-content { display: none; }
.chat-col--collapsed { flex: none; }

/* ── Chat resize handle (desktop only) ── */
.chat-resize-handle { display: none; }

@media (min-width: 768px) {
  .content-area { flex-direction: row; }

  .video-col {
    flex: 1;
    min-width: 0;
  }

  .video-wrapper { aspect-ratio: 16 / 9; }

  /* Resize strip between video and chat */
  .chat-resize-handle {
    display: block;
    width: 4px;
    flex-shrink: 0;
    cursor: col-resize;
    background: var(--color-border);
    opacity: 0;
    transition: opacity 0.15s;
    position: relative;
  }
  /* Wider invisible hit area */
  .chat-resize-handle::before {
    content: '';
    position: absolute;
    inset: 0 -4px;
    cursor: col-resize;
  }
  .chat-resize-handle:hover,
  .chat-resize-handle.is-resizing {
    opacity: 1;
    background: var(--color-primary-alt);
  }

  /* Desktop: drawer slides in from the right, handle is the left edge */
  .chat-col {
    flex-direction: row;    /* handle left, content right */
    width: 320px;
    flex: none;
    height: 100%;
    border-top: none;
    border-left: none;
    transition: width 0.2s ease;
  }

  .chat-col--collapsed { width: 28px; }

  .chat-drawer-handle {
    width: 28px;
    min-width: 28px;
    height: 100%;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    font-size: 0.95rem;
    order: -1;    /* always leftmost */
  }

  .chat-content { flex: 1; min-width: 0; }
}

/* ── Chat ── */
.chat {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat__messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.chat__message {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
}

.chat__message--own {
  border-color: var(--color-primary-alt);
}

.chat__header {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 2px;
}

.chat__author {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--color-primary-alt);
}

/* Author name as clickable button */
.chat__author-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--color-primary-alt);
  font-family: var(--font-body);
  line-height: inherit;
}
.chat__author-btn:hover { text-decoration: underline; }

.chat__time {
  font-size: 0.7rem;
  color: var(--color-border);
  letter-spacing: 0.02em;
}

.chat__body {
  font-size: 0.92rem;
  word-break: break-word;
}

.chat__body a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.chat__body code {
  background: var(--color-border);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.85em;
}

.chat__footer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.chat__emoji-btn,
.chat__delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85em;
  padding: 2px 4px;
  border-radius: 4px;
  transition: opacity 0.15s;
}

/* Add-reaction: outlined pill with plus sign — distinct from filled reaction pills */
.chat__add-reaction {
  background: none;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  padding: 1px 7px;
  font-size: 0.8em;
  cursor: pointer;
  color: var(--color-text);
  opacity: 0.4;
  line-height: 1.5;
}
.chat__add-reaction:hover {
  opacity: 1;
  border-style: solid;
  border-color: var(--color-primary-alt);
}

/* Delete: hidden by default, revealed on message hover (pointer) or tap-active (touch) */
.chat__delete-btn { opacity: 0; }
.chat__message:hover .chat__delete-btn { opacity: 0.6; }
.chat__message:hover .chat__delete-btn:hover { opacity: 1; background: var(--color-border); }
.chat__message.is-active .chat__delete-btn { opacity: 0.8; }

.reaction {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2px 7px;
  font-size: 0.8em;
  cursor: pointer;
  user-select: none;
}

.reaction:hover { border-color: var(--color-primary-alt); }

.reaction--own {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.emoji-picker {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  padding: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-top: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.emoji-option {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25em;
  padding: 2px;
  border-radius: 4px;
}

.emoji-option:hover { background: var(--color-bg); }

.chat__input-area {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chat__input-area textarea {
  width: 100%;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
}

.chat__input-area textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

/* "Ver chat em tempo real" sticky resume button */
.chat__live-btn {
  position: sticky;
  bottom: var(--spacing-sm);
  align-self: center;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 6px var(--spacing-md);
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  z-index: 10;
  margin: 0 auto var(--spacing-sm);
  display: block;
}
.chat__live-btn:hover { background: var(--color-primary-alt); }

.chat__empty {
  text-align: center;
  color: var(--color-border);
  padding: var(--spacing-lg);
  font-size: 0.9rem;
}

/* ── Admin ── */
.admin-main {
  padding: var(--spacing-md);
  max-width: 960px;
  margin: 0 auto;
}

.admin-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.admin-section__header h2 {
  font-size: 1.2rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-table th {
  text-align: left;
  padding: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-primary);
  font-family: var(--font-title);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.admin-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.admin-table tr:hover td { background: var(--color-bg); }

.table-scroll { overflow-x: auto; }

.truncate {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0.6;
}

.icon-btn:hover { opacity: 1; background: var(--color-bg); }

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 6px var(--spacing-md);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { background: var(--color-primary-alt); }

.btn--secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover { background: var(--color-border); }

.form-row {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.form-row input[type="email"],
.form-row input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 6px var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.form-row input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

/* YouTube player options group inside room form */
.yt-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.yt-options__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-alt);
  margin-bottom: 2px;
}