/* ==========================================================================
   mail.css — Microsoft Outlook Web (Fluent Design System)
   - Header Bar: Signature Outlook Blue (#0078d4), app launcher grid,
     centered search bar, action icons, user profile avatar
   - Left Navigation Bar: Slim icon rail + collapsible folder list
   - Command Ribbon: Top-left "New mail" primary button (#0078d4)
   - Middle Email List Pane: Quick filter pills (All, Unread, Flagged) +
     high-density email preview cards (2-line snippet, unread dot, flag, time)
   - Right Reading Pane: Subject header, avatar, sender/recipient metadata,
     Fluent action bar, attachment cards with Preview & Download, body view
   ========================================================================== */

:root {
  --owa-blue: #0078d4;
  --owa-blue-hover: #106ebe;
  --owa-blue-active: #005a9e;
  --owa-blue-light: #eff6fc;
  --owa-blue-selected: #cfe4fa;
  --owa-bg: #f3f2f1;
  --owa-surface: #faf9f8;
  --owa-panel: #ffffff;
  --owa-border: #edebe9;
  --owa-border-strong: #e1dfdd;
  --owa-text: #201f1e;
  --owa-text-secondary: #605e5c;
  --owa-muted: #797775;
  --owa-red: #a4262c;
  --owa-green: #107c10;
  --owa-font: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --owa-mono: 'Cascadia Code', Consolas, monospace;
}

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

html,
body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: var(--owa-font);
  font-size: 13px;
  color: var(--owa-text);
  background: var(--owa-bg);
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
}

a {
  color: var(--owa-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font-family: var(--owa-font);
}

/* ==========================================================================
   1. HEADER BAR (#0078d4 Microsoft Outlook Signature Blue)
   ========================================================================== */
.mtop {
  height: 48px;
  background: var(--owa-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 8px;
  gap: 16px;
  flex: 0 0 48px;
  user-select: none;
  z-index: 20;
}

.mtop-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 200px;
}

/* 9-Dot App Launcher Icon Grid */
.owa-waffle {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.12s ease;
}

.owa-waffle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.waffle-grid {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  grid-template-rows: repeat(3, 4px);
  gap: 3px;
}

.waffle-grid i {
  display: block;
  width: 4px;
  height: 4px;
  background: #ffffff;
  border-radius: 1px;
}

.owa-brand-title {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.01em;
  margin-right: 4px;
}

.mback {
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.12s ease;
}

.mback:hover {
  background: rgba(255, 255, 255, 0.16);
  text-decoration: none;
}

/* Centered Search Bar with Folder Scope Selector */
.owa-search-wrap {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 4px;
  height: 32px;
  overflow: hidden;
  transition: background 0.15s, box-shadow 0.15s;
}

.owa-search-wrap:focus-within {
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
}

.owa-search-scope {
  height: 100%;
  border: none;
  border-right: 1px solid var(--owa-border-strong);
  background: #f3f2f1;
  color: var(--owa-text);
  font-size: 12px;
  font-weight: 600;
  padding: 0 8px;
  outline: none;
  cursor: pointer;
  max-width: 145px;
}

.owa-search-scope:hover {
  background: #e1dfdd;
}

.owa-search-icon {
  color: var(--owa-blue);
  font-size: 14px;
  padding: 0 6px 0 10px;
  pointer-events: none;
}

.msearch {
  flex: 1;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  padding: 0 12px 0 4px;
  font-size: 13px;
  color: var(--owa-text);
  outline: none;
}

.msearch::placeholder {
  color: var(--owa-text-secondary);
}

.f-star {
  background: none;
  border: none;
  color: #a19f9d;
  font-size: 12px;
  cursor: pointer;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.12s, color 0.12s;
}

.mfolder:hover .f-star,
.f-star.on {
  opacity: 1;
}

.f-star.on {
  color: #ffb900;
}

/* Header Right Action Icons & Avatar */
.mtop-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.owa-hdr-btn {
  height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}

.owa-hdr-btn:hover,
.owa-hdr-btn.on {
  background: rgba(255, 255, 255, 0.22);
}

.owa-icon-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: #ffffff;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.12s;
}

.owa-icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.mident {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 6px;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.mident-text {
  text-align: right;
  line-height: 1.2;
}

.memail {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.msub {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.8);
}

.mavatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--owa-blue);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
}

/* ==========================================================================
   2. MAIN SHELL & SLIM LEFT ICON RAIL
   ========================================================================== */
.owa-shell {
  flex: 1;
  min-height: 0;
  display: flex;
  background: var(--owa-bg);
  overflow: hidden;
}

.owa-app-rail {
  width: 48px;
  flex: 0 0 48px;
  background: var(--owa-bg);
  border-right: 1px solid var(--owa-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 0;
  gap: 2px;
  user-select: none;
}

.rail-icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--owa-text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.rail-icon-btn:hover {
  background: #e1dfdd;
  color: var(--owa-text);
}

.rail-icon-btn.on {
  color: var(--owa-blue);
  background: #ffffff;
}

.rail-icon-btn.on::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 2px;
  background: var(--owa-blue);
}

.ri-glyph {
  font-size: 16px;
  line-height: 1;
}

.ri-label {
  font-size: 9px;
  font-weight: 500;
}

/* ==========================================================================
   3. COMMAND RIBBON & TOP-LEFT "NEW MAIL" PRIMARY BUTTON
   ========================================================================== */
.owa-main-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.owa-ribbon {
  height: 44px;
  flex: 0 0 44px;
  background: var(--owa-bg);
  border-bottom: 1px solid var(--owa-border-strong);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
}

/* Primary "New mail" Button */
.mbtn.mnew {
  background: var(--owa-blue);
  color: #ffffff;
  border: 1px solid var(--owa-blue);
  border-radius: 4px;
  height: 32px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  transition: background 0.12s;
}

.mbtn.mnew:hover {
  background: var(--owa-blue-hover);
  border-color: var(--owa-blue-hover);
}

.new-mail-icon {
  font-size: 14px;
}

.ribbon-divider {
  width: 1px;
  height: 20px;
  background: var(--owa-border-strong);
  margin: 0 4px;
}

.ribbon-cmd {
  height: 32px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--owa-text);
  font-size: 12.5px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background 0.12s;
}

.ribbon-cmd:hover {
  background: #e1dfdd;
}

.ribbon-status {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--owa-muted);
}

/* Generic Fluent Buttons */
.mbtn,
.sbtn {
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  color: var(--owa-text);
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s;
}

.mbtn:hover,
.sbtn:hover {
  background: var(--owa-bg);
  border-color: #c8c6c4;
}

.mbtn.primary,
.sbtn.primary {
  background: var(--owa-blue);
  border-color: var(--owa-blue);
  color: #ffffff;
  font-weight: 600;
}

.mbtn.primary:hover,
.sbtn.primary:hover {
  background: var(--owa-blue-hover);
}

.mbtn.mini,
.sbtn.mini {
  padding: 3px 9px;
  font-size: 11.5px;
}

.sbtn.danger {
  color: var(--owa-red);
}

/* ==========================================================================
   4. 3-PANE WORKSPACE GRID (Folders + Email List + Reading Pane)
   ========================================================================== */
.mgrid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 215px 360px minmax(0, 1fr);
  background: var(--owa-bg);
}

/* --- Left Collapsible Folder Pane --- */
.mfolders {
  background: var(--owa-bg);
  border-right: 1px solid var(--owa-border-strong);
  overflow-y: auto;
  padding: 8px 6px;
  user-select: none;
}

.folder-group {
  margin-bottom: 8px;
}

.folder-group summary {
  list-style: none;
}

.folder-group summary::-webkit-details-marker {
  display: none;
}

.fhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--owa-text-secondary);
  cursor: pointer;
  border-radius: 4px;
}

.fhead:hover {
  background: #e1dfdd;
}

.fadd {
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--owa-text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.fadd:hover {
  background: #d2d0ce;
  color: var(--owa-blue);
}

.mfolder {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  padding: 0 10px 0 14px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--owa-text);
  font-size: 13px;
  transition: background 0.1s;
}

.mfolder:hover {
  background: #e1dfdd;
}

.mfolder.active {
  background: var(--owa-blue-selected);
  color: var(--owa-text);
  font-weight: 600;
}

.f-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
  color: var(--owa-text-secondary);
}

.mfolder.active .f-icon {
  color: var(--owa-blue);
}

.f-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fcount {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--owa-text-secondary);
  padding: 1px 6px;
  border-radius: 10px;
}

.fcount.unread {
  color: var(--owa-blue);
  font-weight: 700;
}

/* --- Middle Email List Pane --- */
.mlist-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: #ffffff;
  border-right: 1px solid var(--owa-border-strong);
}

.mfilterbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: #ffffff;
  border-bottom: 1px solid var(--owa-border);
  flex: 0 0 auto;
}

.mfchips {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mfchip {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--owa-text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.mfchip:hover {
  background: var(--owa-bg);
  color: var(--owa-text);
}

.mfchip.on {
  background: var(--owa-blue-light);
  color: var(--owa-blue);
  border-color: #c7e0f4;
}

.mfsort {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--owa-text-secondary);
  font-size: 12px;
  padding: 4px 6px;
  cursor: pointer;
}

.mfsort:hover {
  background: var(--owa-bg);
}

.mlist {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: #ffffff;
}

/* Email Preview Cards */
.mmsg {
  position: relative;
  padding: 11px 14px 11px 18px;
  border-bottom: 1px solid var(--owa-border);
  cursor: pointer;
  background: #ffffff;
  transition: background 0.1s;
}

.mmsg:hover {
  background: var(--owa-bg);
}

.mmsg.active {
  background: var(--owa-blue-light);
}

.mmsg.unread {
  border-left: 3px solid var(--owa-blue);
  padding-left: 15px;
}

.mmsg .mrow1 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.munread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--owa-blue);
  flex: 0 0 8px;
}

.mmsg .mfrom {
  font-size: 13px;
  font-weight: 400;
  color: var(--owa-text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mmsg.unread .mfrom {
  font-weight: 600;
  color: #000000;
}

.mmsg .mdate {
  font-size: 11.5px;
  color: var(--owa-text-secondary);
  white-space: nowrap;
  margin-left: 4px;
}

.mmsg.unread .mdate {
  color: var(--owa-blue);
  font-weight: 600;
}

.mmsg .msubject {
  font-size: 12.5px;
  color: var(--owa-text);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mmsg.unread .msubject {
  font-weight: 600;
  color: var(--owa-blue);
}

/* 2-Line Snippet */
.mmsg .mprev {
  font-size: 12px;
  color: var(--owa-text-secondary);
  margin-top: 2px;
  line-height: 1.38;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal;
}

.mmsg .matt {
  color: var(--owa-text-secondary);
  font-size: 12px;
}

.mflagged {
  font-size: 11px;
  color: #d83b01;
}

.mcat {
  display: inline-block;
  background: var(--owa-blue-light);
  color: var(--owa-blue);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 10.5px;
  margin-left: 4px;
}

.mmore-wrap {
  text-align: center;
  padding: 12px;
}

/* --- Right Reading Pane --- */
.mread {
  position: relative;
  overflow-y: auto;
  background: var(--owa-bg);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mread .mempty,
.mloading,
.mempty {
  color: var(--owa-muted);
  text-align: center;
  padding: 64px 20px;
  font-size: 13px;
}

.mread-head {
  background: #ffffff;
  border: 1px solid var(--owa-border);
  border-radius: 4px;
  padding: 18px 22px;
  box-shadow: 0 1.6px 3.6px rgba(0, 0, 0, 0.06);
}

.mread-head h2 {
  font-size: 19px;
  font-weight: 600;
  color: var(--owa-text);
  margin: 0 0 14px;
  line-height: 1.3;
}

.mread-sender-bar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.mread-sender-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--owa-blue);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 40px;
}

.mread-meta {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--owa-text-secondary);
  line-height: 1.55;
}

.mread-meta b {
  color: var(--owa-text);
  font-weight: 600;
}

.mread-to-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.mread-time {
  color: var(--owa-muted);
  font-size: 12px;
}

/* Reading Pane Action Bar */
.mactions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px 14px;
  background: #ffffff;
  border: 1px solid var(--owa-border);
  border-radius: 4px;
}

.mactions select {
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  color: var(--owa-text);
  padding: 5px 10px;
  font-size: 12px;
}

/* Attachments Section in Reading Pane */
.matts-sec {
  background: #ffffff;
  border: 1px solid var(--owa-border);
  border-radius: 4px;
  padding: 10px 16px;
}

.matts-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--owa-text-secondary);
  margin-bottom: 8px;
}

.matt-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.matt-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--owa-surface);
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  color: var(--owa-text);
  font-size: 12.5px;
  transition: border-color 0.12s, background 0.12s;
}

.matt-item:hover {
  border-color: var(--owa-blue);
  background: var(--owa-blue-light);
}

.matt-icon {
  font-size: 18px;
}

.matt-badge {
  width: 34px;
  height: 34px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #ffffff;
  background: #475569;
  flex: 0 0 34px;
  text-transform: uppercase;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.15);
}

.matt-badge.ext-pdf { background: #d83b01; }
.matt-badge.ext-doc { background: #185abd; }
.matt-badge.ext-xls { background: #107c41; }
.matt-badge.ext-ppt { background: #c43e1c; }
.matt-badge.ext-zip { background: #d97706; }
.matt-badge.ext-img { background: #7c3aed; }
.matt-badge.ext-med { background: #0d9488; }
.matt-badge.ext-txt { background: #475569; }

.matt-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.matt-name {
  font-weight: 600;
  color: var(--owa-text);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.matt-size {
  color: var(--owa-muted);
  font-size: 11px;
}

/* Formatted Email Body */
.mread-body {
  background: #ffffff;
  border: 1px solid var(--owa-border);
  border-radius: 4px;
  padding: 22px 24px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--owa-text);
  box-shadow: 0 1.6px 3.6px rgba(0, 0, 0, 0.05);
}

.mread-body p {
  margin: 0 0 12px;
}

.mread-body ul {
  margin: 0 0 14px 20px;
}

.mread-body li {
  margin-bottom: 6px;
}

.mread-body iframe {
  width: 100%;
  border: 0;
  min-height: 420px;
  background: #ffffff;
  border-radius: 4px;
}

/* ==========================================================================
   5. ATTACHMENT UNIVERSAL DOCUMENT PREVIEW MODAL (#attPreview)
   ========================================================================== */
#attPreview {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  z-index: 99990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.apv-card {
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-radius: 6px;
  width: min(1040px, 96vw);
  height: min(88vh, 860px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.apv-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--owa-bg);
  border-bottom: 1px solid var(--owa-border-strong);
  font-size: 13.5px;
  flex: 0 0 auto;
}

.apv-sz {
  color: var(--owa-muted);
  font-size: 12px;
  flex: 1;
}

.apv-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: #f8f9fa;
}

.apv-frame {
  width: 100%;
  height: 100%;
  min-height: 72vh;
  border: 0;
  display: block;
}

.apv-imgwrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 100%;
}

.apv-img {
  max-width: 100%;
  max-height: 76vh;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.apv-pre {
  font-family: var(--owa-mono);
  font-size: 12.5px;
  line-height: 1.55;
  padding: 20px 24px;
  white-space: pre-wrap;
  word-break: break-word;
  background: #ffffff;
  color: #1e293b;
  margin: 16px;
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
}

.apv-doc {
  max-width: 820px;
  margin: 20px auto;
  padding: 32px 40px;
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  font-family: var(--owa-font);
  font-size: 14px;
  line-height: 1.65;
  color: #1e293b;
}

.apv-doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}

.apv-doc td,
.apv-doc th {
  border: 1px solid #cbd5e1;
  padding: 6px 10px;
  font-size: 12.5px;
}

.apv-doc th {
  background: #f1f5f9;
  font-weight: 600;
}

.apv-sheet-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  background: #ffffff;
  border-bottom: 1px solid var(--owa-border-strong);
  flex-wrap: wrap;
}

.apv-sheet-tab {
  padding: 5px 12px;
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  background: var(--owa-bg);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.apv-sheet-tab.active {
  background: var(--owa-blue);
  color: #ffffff;
  border-color: var(--owa-blue);
}

.apv-slide-card {
  max-width: 780px;
  margin: 18px auto;
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-top: 4px solid var(--owa-blue);
  border-radius: 6px;
  padding: 28px 34px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
}

.apv-slide-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--owa-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

/* ==========================================================================
   6. SECONDARY PANES & COMPOSE / RULES MODALS
   ========================================================================== */
.mpane {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--owa-bg);
}

.mpane.hidden,
.hidden {
  display: none !important;
}

.phead2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 18px;
  background: #ffffff;
  border-bottom: 1px solid var(--owa-border);
}

.phead2 h3 {
  font-size: 16px;
  font-weight: 600;
}

.srow {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.sfield {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.sfield input,
.sfield textarea,
.srow input,
.srow select {
  border: 1px solid var(--owa-border-strong);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 12.5px;
  background: #ffffff;
  color: var(--owa-text);
}

.plist {
  background: #ffffff;
  border: 1px solid var(--owa-border);
  border-radius: 4px;
  margin: 12px 18px;
  overflow: hidden;
}

.mpin {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  padding: 16px;
}

.mpin-card {
  background: #ffffff;
  border: 1px solid var(--owa-border-strong);
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  width: min(660px, 96vw);
  max-height: 84vh;
  overflow-y: auto;
}

.mpin-card h3 {
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--owa-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mpin-card.compose {
  padding-bottom: 14px;
}

.cfield {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 18px;
  border-bottom: 1px solid var(--owa-border);
}

.cfield label {
  color: var(--owa-muted);
  font-size: 11px;
  font-weight: 600;
}

.cfield input,
.cfield textarea {
  border: none;
  outline: none;
  width: 100%;
  font-size: 13px;
  color: var(--owa-text);
  resize: vertical;
  background: transparent;
}

.cbtns {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 18px 0;
  flex-wrap: wrap;
}

.cstat {
  color: var(--owa-muted);
  font-size: 11.5px;
  margin-left: auto;
}

.merror {
  color: var(--owa-red);
  padding: 16px;
  font-size: 12.5px;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%) translateY(8px);
  background: #201f1e;
  border-left: 4px solid var(--owa-blue);
  color: #ffffff;
  border-radius: 4px;
  padding: 9px 16px;
  font-size: 12.5px;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s;
  z-index: 99995;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#toast.error {
  border-left-color: var(--owa-red);
}

@media (max-width: 1024px) {
  .mgrid {
    grid-template-columns: 180px 300px minmax(0, 1fr);
  }
}

@media (max-width: 780px) {
  .mgrid {
    grid-template-columns: 1fr;
  }
  .mfolders,
  .mread {
    display: none;
  }
}