/* ═══════════════════════════════════════════════════════════════
   HOSPITALITY eOFFICE — Gray Aero Theme
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg:           #e8eaed;
  --bg2:          #d6d9de;
  --surface:      #f0f2f5;
  --surface2:     #ffffff;
  --border:       #c4c8cf;
  --border2:      #b0b5be;
  --text:         #1e2128;
  --text-muted:   #6b7280;
  --text-light:   #9ca3af;
  --primary:      #3b5bdb;
  --primary-dark: #2f4ac5;
  --primary-light:#dbe4ff;
  --success:      #2f9e44;
  --success-bg:   #d3f9d8;
  --warning:      #e67700;
  --warning-bg:   #fff3bf;
  --danger:       #c92a2a;
  --danger-bg:    #ffe3e3;
  --info:         #1971c2;
  --info-bg:      #d0ebff;
  --shadow:       0 2px 8px rgba(0,0,0,.12);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.16);
  --radius:       8px;
  --radius-lg:    12px;
  --sidebar-w:    240px;
  --header-h:     56px;
  --transition:   .18s ease;
  /* Aero glass effect */
  --glass:        rgba(255,255,255,.55);
  --glass-border: rgba(255,255,255,.8);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }

/* ── Utility ── */
.hidden  { display: none !important; }
.flex    { display: flex; }
.items-center { align-items: center; }
.gap-2   { gap: .5rem; }
.gap-3   { gap: .75rem; }
.gap-4   { gap: 1rem; }
.flex-1  { flex: 1; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.text-sm     { font-size: .85rem; }
.text-lg     { font-size: 1.15rem; }
.fw-600  { font-weight: 600; }
.mt-1    { margin-top: .25rem; }
.mt-2    { margin-top: .5rem; }
.mt-3    { margin-top: .75rem; }
.mt-4    { margin-top: 1rem; }
.mb-3    { margin-bottom: .75rem; }
.mb-4    { margin-bottom: 1rem; }
.p-3     { padding: .75rem; }
.p-4     { padding: 1rem; }
.w-100   { width: 100%; }
.overflow-hidden { overflow: hidden; }

/* ── Status Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .6rem; border-radius: 20px;
  font-size: .75rem; font-weight: 600; white-space: nowrap;
}
.badge-pending  { background: var(--warning-bg);  color: var(--warning); }
.badge-approved { background: var(--success-bg);  color: var(--success); }
.badge-rejected { background: var(--danger-bg);   color: var(--danger); }
.badge-returned { background: var(--info-bg);     color: var(--info); }
.badge-draft    { background: var(--bg2);         color: var(--text-muted); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem 1rem; border-radius: var(--radius);
  font-size: .875rem; font-weight: 500; border: none;
  transition: filter var(--transition), opacity var(--transition);
  white-space: nowrap;
}
.btn:hover  { filter: brightness(.93); }
.btn:active { filter: brightness(.87); }
.btn-primary   { background: var(--primary);   color: #fff; }
.btn-success   { background: var(--success);   color: #fff; }
.btn-danger    { background: var(--danger);     color: #fff; }
.btn-warning   { background: var(--warning);   color: #fff; }
.btn-secondary { background: var(--bg2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost     { background: transparent; color: var(--primary); }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-icon { padding: .4rem; border-radius: 6px; background: var(--bg2); border: 1px solid var(--border); }

/* ── Forms ── */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--text); }
.form-control {
  width: 100%; padding: .5rem .75rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface2); color: var(--text);
  font-size: .9rem; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-control[readonly] { background: var(--bg); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; gap: 1rem; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ── Cards ── */
.card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: .9rem 1.2rem;
  background: linear-gradient(135deg, #f5f6fa 0%, #e8eaed 100%);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: 1rem; font-weight: 700; }
.card-body  { padding: 1.2rem; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead { background: linear-gradient(135deg, #f0f2f5, #e4e6ea); }
th { padding: .65rem 1rem; text-align: left; font-weight: 700;
     color: var(--text-muted); font-size: .8rem; text-transform: uppercase;
     letter-spacing: .04em; border-bottom: 2px solid var(--border); }
td { padding: .65rem 1rem; border-bottom: 1px solid var(--bg2); vertical-align: middle; }
tr:hover td { background: #f7f8fa; }
tr:last-child td { border-bottom: none; }

/* ── Login Page ── */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #c9d1e0 0%, #e8eaed 50%, #d4d9e2 100%);
  position: relative; overflow: hidden;
}
.login-page::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(255,255,255,.4) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 70%, rgba(180,195,220,.3) 0%, transparent 55%);
}
.login-box {
  position: relative; z-index: 1;
  background: var(--glass); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 2.5rem 2rem;
  width: 100%; max-width: 380px; box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 1.5rem; }
.login-logo img { height: 64px; object-fit: contain; }
.login-logo h1 { font-size: 1.3rem; font-weight: 800; margin-top: .5rem; color: var(--text); }
.login-logo p  { font-size: .8rem; color: var(--text-muted); }

/* ── App Shell ── */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: linear-gradient(175deg, #2c3347 0%, #1e2330 100%);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
  transition: transform var(--transition);
  box-shadow: 2px 0 12px rgba(0,0,0,.25);
}
.sidebar-logo {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: .75rem;
}
.sidebar-logo img { height: 36px; border-radius: 6px; }
.sidebar-logo .app-name { font-size: .95rem; font-weight: 700; color: #fff; line-height: 1.2; }
.sidebar-logo .app-sub  { font-size: .7rem; color: rgba(255,255,255,.45); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: .75rem 0; }
.nav-section { padding: .25rem .75rem .1rem; font-size: .7rem; text-transform: uppercase;
               letter-spacing: .08em; color: rgba(255,255,255,.35); font-weight: 700; margin-top: .5rem; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: .7rem;
  padding: .55rem 1.1rem;
  color: rgba(255,255,255,.72); font-size: .88rem;
  border-radius: 6px; margin: .1rem .5rem;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link svg { flex-shrink: 0; opacity: .85; }
.nav-badge { margin-left: auto; background: var(--danger); color: #fff;
             font-size: .65rem; font-weight: 700; padding: 1px 6px; border-radius: 20px; }

.nav-sub { padding-left: 1rem; overflow: hidden; max-height: 0;
           transition: max-height .25s ease; }
.nav-sub.open { max-height: 500px; }
.nav-sub .nav-link { font-size: .84rem; padding: .45rem .9rem; }
.nav-arrow { margin-left: auto; transition: transform .2s; font-size: .75rem; opacity: .6; }
.nav-link.has-sub.open .nav-arrow { transform: rotate(90deg); }

/* Header */
.header {
  height: var(--header-h); background: var(--glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.2rem; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.header-menu-btn { display: none; background: none; border: none; padding: .3rem; }
.header-title { font-size: 1.05rem; font-weight: 700; flex: 1; }
.header-actions { display: flex; align-items: center; gap: .5rem; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
}
.user-info .name  { font-size: .85rem; font-weight: 600; }
.user-info .dept  { font-size: .72rem; color: var(--text-muted); }

/* Main content */
.main-content {
  margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column;
  min-width: 0;
}
.page-content { flex: 1; padding: 1.5rem; }

/* ── Stat Cards ── */
.stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.1rem 1.2rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: var(--shadow);
}
.stat-icon {
  width: 46px; height: 46px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.stat-icon.blue   { background: var(--primary-light); color: var(--primary); }
.stat-icon.green  { background: var(--success-bg);    color: var(--success); }
.stat-icon.amber  { background: var(--warning-bg);    color: var(--warning); }
.stat-icon.red    { background: var(--danger-bg);     color: var(--danger); }
.stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: .2rem; }

/* ── Progress Steps (Gate Pass workflow) ── */
.progress-steps { display: flex; align-items: center; gap: 0; margin: 1rem 0; overflow-x: auto; }
.step-item { display: flex; align-items: center; flex: 1; min-width: 80px; }
.step-circle {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; border: 2px solid var(--border);
  background: var(--surface2); color: var(--text-muted);
  position: relative; z-index: 1;
}
.step-circle.done    { background: var(--success); border-color: var(--success); color: #fff; }
.step-circle.active  { background: var(--primary); border-color: var(--primary); color: #fff; }
.step-circle.rejected{ background: var(--danger);  border-color: var(--danger);  color: #fff; }
.step-connector { flex: 1; height: 2px; background: var(--border); margin: 0; }
.step-connector.done { background: var(--success); }
.step-info { text-align: center; margin-top: .3rem; }
.step-name  { font-size: .7rem; font-weight: 600; white-space: nowrap; }
.step-status{ font-size: .65rem; color: var(--text-muted); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  z-index: 900; display: flex; align-items: center; justify-content: center;
  padding: 1rem; backdrop-filter: blur(2px);
}
.modal {
  background: var(--surface2); border-radius: var(--radius-lg);
  width: 100%; max-width: 560px; max-height: 90vh;
  overflow-y: auto; box-shadow: var(--shadow-lg);
  animation: modalIn .18s ease;
}
.modal-lg { max-width: 780px; }
.modal-header {
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, #f5f6fa, #e8eaed);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 1;
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 1.3rem; color: var(--text-muted);
               width: 30px; height: 30px; border-radius: 6px; transition: background var(--transition); }
.modal-close:hover { background: var(--bg2); }
.modal-body   { padding: 1.2rem; }
.modal-footer { padding: .9rem 1.2rem; border-top: 1px solid var(--border);
                display: flex; justify-content: flex-end; gap: .6rem; }

@keyframes modalIn { from { opacity:0; transform:translateY(-12px); } to { opacity:1; transform:translateY(0); } }

/* ── Toast ── */
.toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 9999; display: flex;
                   flex-direction: column; gap: .4rem; }
.toast {
  min-width: 220px; max-width: 340px; padding: .75rem 1rem;
  border-radius: var(--radius); background: var(--surface2);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  display: flex; align-items: flex-start; gap: .6rem;
  animation: toastIn .2s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger); }
.toast.info    { border-left: 4px solid var(--primary); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ── Tabs ── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 1rem; gap: 0; overflow-x: auto; }
.tab-btn {
  padding: .6rem 1.1rem; font-size: .875rem; font-weight: 600;
  color: var(--text-muted); background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color var(--transition); white-space: nowrap;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Chat ── */
.chat-layout { display: flex; height: calc(100vh - var(--header-h) - 3rem); gap: 1rem; }
.chat-users { width: 240px; flex-shrink: 0; background: var(--surface2);
              border: 1px solid var(--border); border-radius: var(--radius-lg);
              overflow-y: auto; }
.chat-user-item { display: flex; align-items: center; gap: .7rem; padding: .7rem 1rem;
                  cursor: pointer; transition: background var(--transition); }
.chat-user-item:hover, .chat-user-item.active { background: var(--primary-light); }
.chat-user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary);
                    color: #fff; display: flex; align-items: center; justify-content: center;
                    font-size: .8rem; font-weight: 700; flex-shrink: 0; position: relative; }
.online-dot { position: absolute; bottom: 0; right: 0; width: 10px; height: 10px;
              border-radius: 50%; background: var(--success); border: 2px solid var(--surface2); }
.chat-window { flex: 1; display: flex; flex-direction: column; background: var(--surface2);
               border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.msg-bubble { max-width: 72%; padding: .55rem .9rem; border-radius: 12px;
              font-size: .875rem; line-height: 1.45; }
.msg-bubble.mine    { background: var(--primary); color: #fff; align-self: flex-end;
                      border-bottom-right-radius: 3px; }
.msg-bubble.theirs  { background: var(--bg2); color: var(--text); align-self: flex-start;
                      border-bottom-left-radius: 3px; }
.msg-meta { font-size: .68rem; opacity: .7; margin-top: .2rem; }
.chat-input-row { padding: .75rem; border-top: 1px solid var(--border);
                  display: flex; gap: .6rem; }

/* ── Roster ── */
.roster-grid { overflow-x: auto; }
.roster-table th:first-child, .roster-table td:first-child { position: sticky; left: 0;
  background: var(--surface2); z-index: 1; box-shadow: 1px 0 0 var(--border); }

/* ── Admin layout ── */
.admin-top-bar {
  background: linear-gradient(135deg, #2c3347, #1e2330);
  color: #fff; display: flex; align-items: center;
  gap: 1.5rem; padding: 0 1.5rem;
  height: var(--header-h); position: sticky; top: 0; z-index: 100;
}
.admin-top-logo { display: flex; align-items: center; gap: .5rem; font-weight: 800; font-size: 1rem; }
.admin-top-logo img { height: 30px; }
.admin-nav { display: flex; gap: .25rem; flex: 1; overflow-x: auto; }
.admin-nav-link {
  padding: .4rem .9rem; border-radius: 6px; color: rgba(255,255,255,.72);
  font-size: .83rem; font-weight: 600; white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.admin-nav-link:hover, .admin-nav-link.active { background: rgba(255,255,255,.15); color: #fff; text-decoration: none; }
.admin-content { max-width: 1280px; margin: 0 auto; padding: 1.5rem; }

/* ── Image preview ── */
.img-thumb { width: 64px; height: 64px; border-radius: 8px; object-fit: cover;
             border: 1px solid var(--border); cursor: pointer; }
.img-full   { max-width: 100%; border-radius: 8px; }

/* ── Pagination ── */
.pagination { display: flex; gap: .3rem; align-items: center; margin-top: 1rem; flex-wrap: wrap; }
.page-btn { padding: .35rem .65rem; border: 1px solid var(--border);
            border-radius: 6px; background: var(--surface2); font-size: .8rem;
            cursor: pointer; transition: background var(--transition); }
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Toggle Switch ── */
.toggle { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: var(--border2); border-radius: 24px;
  cursor: pointer; transition: background .2s;
}
.toggle-slider::before {
  content: ''; position: absolute; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; top: 3px; left: 3px;
  transition: transform .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle input:checked + .toggle-slider { background: var(--success); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Search bar ── */
.search-bar {
  display: flex; align-items: center; gap: .5rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .4rem .75rem;
  transition: border-color var(--transition);
}
.search-bar:focus-within { border-color: var(--primary); }
.search-bar input { border: none; background: none; outline: none;
                    font-size: .875rem; flex: 1; color: var(--text); }

/* ── Overlay sidebar on mobile ── */
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4);
  z-index: 199;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .form-row.cols-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 240px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main-content { margin-left: 0; }
  .header-menu-btn { display: flex; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .chat-users { display: none; }
  .chat-users.open { display: block; position: fixed; top: 0; left: 0; bottom: 0;
                     width: 260px; z-index: 500; }
  .form-row.cols-2,
  .form-row.cols-3 { grid-template-columns: 1fr; }
  .admin-nav { display: none; }
  .admin-nav.open { display: flex; flex-direction: column; position: fixed;
                    top: var(--header-h); left: 0; right: 0;
                    background: #2c3347; padding: .5rem; z-index: 300; }
  .table-wrap { font-size: .8rem; }
  .modal { margin: .5rem; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 1rem .75rem; }
  .login-box { padding: 1.75rem 1.25rem; }
  .progress-steps { gap: 0; }
  .step-circle { width: 26px; height: 26px; font-size: .65rem; }
}