/* ====== Base Theme ====== */

:root {
  --bg: #07060a;
  --bg-soft: #0f0b17;
  --bg-softer: #13051f;
  --accent: #8a00ff;
  --accent-soft: #5b00cc;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.06);
}

body.theme-dark {
  background: radial-gradient(
    circle at top left,
    #1a0826 0%,
    #050309 50%,
    #050309 100%
  );
  color: var(--text);
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

/* ====== LOGIN SCREEN ====== */

.login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  gap: 16px;
}

.login-title {
  font-size: 36px;
  margin: 0;
}

.login-subtitle {
  max-width: 420px;
  font-size: 14px;
  color: var(--muted);
  margin: 0 auto 8px;
}

.login-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 320px;
}

.btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 14px;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: white;
  border-color: transparent;
}

.btn.ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border-subtle);
}

/* ====== APP LAYOUT ====== */

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  position: relative;
  width: 300px;
  background: linear-gradient(180deg, var(--bg-soft), #0b0712);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-right: 1px solid var(--border-subtle);
  transition:
    width 0.25s ease,
    transform 0.2s ease;
}

.sidebar.collapsed {
  width: 88px;
}

.sidebar-top {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.brand {
  font-size: 20px;
  margin: 0 4px;
}

.collapse-btn {
  position: absolute;
  right: 0;
  top: -4px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

.profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent);
}

.user-photo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.06);
}

.profile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-name {
  font-weight: 600;
}

.user-status {
  font-size: 11px;
  color: var(--muted);
}

.nav {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.nav-section {
  margin-top: 8px;
}

.nav-section h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 8px 0;
}

.room-list,
.dm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.room-list li,
.dm-list li {
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}

.room-list li:hover,
.dm-list li:hover {
  background: linear-gradient(
    90deg,
    rgba(138, 0, 255, 0.12),
    rgba(91, 0, 204, 0.07)
  );
  color: white;
}

/* DM section hidden until first DM */
#dms-section {
  display: none;
}

.sidebar-bottom {
  display: flex;
  justify-content: flex-start;
}

.logout-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

/* collapsed mode */

.sidebar.collapsed .brand,
.sidebar.collapsed .profile-info,
.sidebar.collapsed .nav-section h4 {
  display: none;
}

.sidebar.collapsed .user-photo {
  width: 40px;
  height: 40px;
}

.main-area {
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* ====== TOPBAR ====== */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(
    circle at top left,
    rgba(138, 0, 255, 0.16),
    transparent
  );
}

.topbar .left,
.topbar .right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-title {
  font-weight: 600;
  font-size: 16px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

/* create room button */
.create-room-btn {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

/* ====== CHAT AREA ====== */

.chat-area {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  background: radial-gradient(
    circle at top right,
    #1f0830 0%,
    #050309 50%,
    #050309 100%
  );
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 16px 4px;
}

#chat-header {
  font-size: 17px;
  font-weight: 600;
}

.rules {
  font-size: 12px;
  color: var(--muted);
  max-width: 60%;
  text-align: right;
}

.rules.hidden {
  display: none;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* message bubble */

.message {
  max-width: 70%;
  padding: 8px 10px;
  border-radius: 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.01)
  );
  backdrop-filter: blur(6px);
}

.message.right {
  margin-left: auto;
  background: linear-gradient(120deg, #32005c, #45007f);
}

.message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.msg-photo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.msg-name {
  font-weight: 600;
  font-size: 13px;
}

.msg-name:hover {
  text-decoration: underline;
  cursor: pointer;
}

.msg-time {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}

.message .text {
  font-size: 14px;
  white-space: pre-wrap;
}

.message .edit-btn,
.message .delete-btn {
  margin-left: 4px;
  margin-top: 4px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  padding: 3px 6px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
}

/* reactions */

.reaction-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 13px;
}

.reaction-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 999px;
  font-size: 14px;
}

.reaction-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.reaction-count {
  color: var(--muted);
}

.msg-image {
  max-width: 220px;
  border-radius: 10px;
  margin-top: 6px;
}

/* typing + input */

.typing-area {
  padding: 0 18px 4px;
  min-height: 18px;
  font-size: 12px;
  color: var(--muted);
}

.input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 14px;
  border-top: 1px solid var(--border-subtle);
}

.attach-btn {
  font-size: 18px;
}

.message-input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.4);
  color: white;
  outline: none;
}

.message-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.file-input {
  display: none; /* hidden, opened via 📎 */
}

.send-btn {
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: white;
  cursor: pointer;
  font-size: 14px;
}

/* ====== MODAL ====== */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-panel {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-softer));
  padding: 16px 16px 14px;
  border-radius: 14px;
  width: 360px;
  max-width: 92%;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
}

.modal-panel h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.modal-panel input,
.modal-panel textarea {
  width: 100%;
  padding: 8px 10px;
  margin-top: 8px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.4);
  color: white;
  font-size: 14px;
  resize: vertical;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 10px;
}

/* ====== ADMIN PANEL (slide-in) ====== */

.admin-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 90%;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-softer));
  border-left: 1px solid var(--border-subtle);
  box-shadow: -16px 0 40px rgba(0, 0, 0, 0.6);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 60;
}

.admin-panel.open {
  transform: translateX(0);
}

.admin-panel-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 12px 12px 10px;
}

.admin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.admin-panel-header h3 {
  margin: 0;
  font-size: 18px;
}

.admin-panel-body {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.admin-info {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.admin-subtitle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 6px 0 4px;
}

.request-list,
.member-list {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.request-item,
.member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.35);
}

.member-name,
.request-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-role {
  font-size: 11px;
  color: var(--muted);
  margin-left: 4px;
}

.request-actions button,
.member-actions button {
  border: none;
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 11px;
  cursor: pointer;
  margin-left: 4px;
}

.request-actions .approve,
.member-actions .promote {
  background: rgba(0, 200, 120, 0.16);
  color: #52ffb0;
}

.request-actions .reject,
.member-actions .kick,
.member-actions .ban {
  background: rgba(255, 75, 129, 0.16);
  color: #ff4b81;
}

.danger-btn {
  width: 100%;
  margin-top: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #ff4b81;
  background: transparent;
  color: #ff4b81;
  cursor: pointer;
  font-size: 12px;
}

/* Deleted message tombstone */

.deleted-label {
  font-size: 13px;
  font-style: italic;
  color: var(--muted);
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
}

/* ====== RESPONSIVE ====== */

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 40;
    transform: translateX(0);
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
  }

  .main-area {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0; /* CRITICAL */
    overflow: hidden; /* Prevents layout from pushing downward */
  }
}

@media (max-width: 600px) {
  .messages {
    padding: 8px 10px;
  }
  .message {
    max-width: 80%;
  }
}

.input-area {
  position: relative;
}

#attachmentPreview {
  position: absolute;
  bottom: 55px;
  left: 15px;
  background: rgba(0, 0, 0, 0.75);
  padding: 8px 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 300px;
  z-index: 20;
}

#attachmentPreview.hidden {
  display: none;
}

#attachmentPreview img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 6px;
}

#attachmentPreview {
  overflow-x: auto;
  white-space: nowrap;
}

#attachmentPreview::-webkit-scrollbar {
  height: 6px;
}

.disclaimer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;
}

.disclaimer-overlay.hidden {
  display: none;
}

.disclaimer-box {
  background: #1e1e1e;
  padding: 28px 32px;
  border-radius: 14px;
  width: 480px;
  max-width: 90%;
  color: white;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
}

.disclaimer-box h2 {
  margin-top: 0;
  font-size: 22px;
  margin-bottom: 10px;
}

.disclaimer-box ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

.disclaimer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.btn.primary {
  background: #6b46ff;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  color: white;
}

.btn.danger {
  background: #cc2a2a;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  color: white;
}

.rules-box {
  background: rgba(255, 255, 255, 0.04);
  padding: 10px 16px;
  border-radius: 10px;
  max-width: 350px;
  margin-left: auto; 
  margin-right: 0;
  font-size: 13px;
  line-height: 1.45;
}

.rules-box ol {
  margin: 0;
  padding-left: 18px;
  color: #ffffffc7;
}

.rules-box li {
  margin-bottom: 6px;
}

.rules-box li:last-child {
  margin-bottom: 0;
}

/* ====== MOBILE IMPROVEMENTS ====== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 40;
    width: 260px;
    transform: translateX(-100%);
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
  }

  .sidebar:not(.collapsed) {
    transform: translateX(0);
  }

  .main-area {
    width: 100vw;
  }

  .message {
    max-width: 90%;
  }

  .input-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #0f0b17;
    padding: 10px 12px 18px;
    z-index: 30;
  }

  .chat-area {
    padding-bottom: 70px;
  }

  .messages {
    padding: 8px;
  }

  .admin-panel {
    width: 100%;
    max-width: 100%;
  }

  .topbar {
    padding: 8px 12px;
  }

  #attachmentPreview {
    bottom: 70px;
  }
}