/* ============================================================
   MaintenanceHub – Redesigned UI
   Fonts: Playfair Display (brand) + Plus Jakarta Sans (body)
   Theme: Warm professional with deep navy + amber accents
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg:          #F7F8FC;
  --surface:     #FFFFFF;
  --surface2:    #EEF0F7;
  --surface3:    #E4E7F2;
  --border:      #DDE0EE;
  --text:        #0F1629;
  --text-muted:  #5A6285;
  --text-light:  #9AA3C2;
  --accent:      #1A3DE4;
  --accent-dark: #1230B8;
  --accent-light:#EEF1FF;
  --accent-glow: rgba(26,61,228,.13);
  --success:     #0BA360;
  --success-bg:  #E8FBF2;
  --warning:     #D68910;
  --warning-bg:  #FEF9E7;
  --danger:      #E01B4C;
  --danger-bg:   #FDEEF3;
  --emergency:   #6C22D6;
  --emergency-bg:#F2EBFD;
  --gold:        #F59E0B;
  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --shadow-sm:   0 1px 4px rgba(15,22,41,.06);
  --shadow:      0 4px 20px rgba(15,22,41,.08);
  --shadow-lg:   0 12px 48px rgba(15,22,41,.12);
  --nav-h:       64px;
  --font-head:   'Playfair Display', Georgia, serif;
  --font-body:   'Plus Jakarta Sans', system-ui, sans-serif;
  --transition:  .2s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:          #080D1C;
  --surface:     #101628;
  --surface2:    #18203A;
  --surface3:    #202C4A;
  --border:      #252F4E;
  --text:        #EEF0FA;
  --text-muted:  #8892B8;
  --text-light:  #505A7A;
  --accent-light:#0D1A5A;
  --accent-glow: rgba(26,61,228,.22);
  --shadow-sm:   0 1px 4px rgba(0,0,0,.35);
  --shadow:      0 4px 20px rgba(0,0,0,.45);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.55);
  --success-bg:  #032917;
  --warning-bg:  #2C1D04;
  --danger-bg:   #2C0515;
  --emergency-bg:#1A0840;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.2; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15,22,41,.06);
  height: var(--nav-h);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1320px; margin: 0 auto;
  height: 100%; padding: 0 1.25rem;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--text);
}
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #4F6EFF);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; box-shadow: 0 4px 12px var(--accent-glow);
}
.brand-name {
  font-family: var(--font-head); font-weight: 800;
  font-size: 1.15rem; letter-spacing: -.02em;
}
.brand-sub {
  font-size: .65rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .1em;
  display: block; line-height: 1; margin-top: -2px;
}
.nav-links {
  display: none; flex-direction: column;
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem; box-shadow: var(--shadow); gap: .2rem;
}
.nav-links.open { display: flex; }
.nav-link {
  color: var(--text-muted); font-weight: 600;
  font-size: .875rem; padding: .55rem .85rem;
  border-radius: var(--radius-sm); transition: var(--transition);
  text-decoration: none; display: flex; align-items: center; gap: .4rem;
}
.nav-link:hover { background: var(--accent-light); color: var(--accent); text-decoration: none; }
.nav-link.active {
  background: var(--accent-light); color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-link.nav-new {
  background: var(--accent); color: #fff; border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px var(--accent-glow);
}
.nav-link.nav-new:hover { background: var(--accent-dark); }
.nav-link.nav-logout { color: var(--danger); }
.nav-link.nav-logout:hover { background: var(--danger-bg); color: var(--danger); }
.nav-sep { height: 1px; background: var(--border); margin: .35rem 0; }
.nav-user {
  display: flex; align-items: center; gap: .6rem;
  padding: .5rem .85rem;
}
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #6B88FF);
  color: #fff; font-size: .8rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px var(--accent-glow);
}
.user-name { font-weight: 700; font-size: .9rem; }
.user-role {
  font-size: .7rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .08em;
}
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: .5rem; border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: var(--transition);
}
.theme-toggle {
  background: var(--surface2); border: 1px solid var(--border);
  cursor: pointer; font-size: 1rem; padding: .4rem .5rem;
  border-radius: var(--radius-sm); transition: var(--transition);
}
.theme-toggle:hover { background: var(--surface3); }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-links {
    display: flex !important; flex-direction: row;
    position: static; background: transparent;
    border: none; padding: 0; box-shadow: none;
    align-items: center; gap: .15rem;
  }
  .nav-link.active { box-shadow: none; }
  .nav-sep { width: 1px; height: 22px; margin: 0 .35rem; }
}

/* ── Flash messages ─────────────────────────────────────────── */
.flash {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 1.5rem; font-size: .875rem; font-weight: 600;
  animation: slideDown .3s ease; border-left: 4px solid transparent;
}
.flash-success { background: var(--success-bg); color: #065F3A; border-color: var(--success); }
.flash-error   { background: var(--danger-bg);  color: #8B0726; border-color: var(--danger); }
.flash-info    { background: var(--accent-light);color: var(--accent-dark); border-color: var(--accent); }
.flash-close { background: none; border: none; cursor: pointer; font-size: 1.3rem; opacity: .5; line-height: 1; }
.flash-close:hover { opacity: 1; }
@keyframes slideDown { from{transform:translateY(-100%);opacity:0} to{transform:translateY(0);opacity:1} }

/* ── Layout ─────────────────────────────────────────────────── */
.main-wrap { max-width: 1320px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

/* ── Page header ────────────────────────────────────────────── */
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; }
.page-header p  { color: var(--text-muted); margin-top: .4rem; font-size: .95rem; }
.page-header .ph-sub {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); margin-bottom: .5rem;
}

/* ── Stat cards ─────────────────────────────────────────────── */
.stats-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 1rem; margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--border); border-radius: 3px 3px 0 0;
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-label {
  font-size: .72rem; font-weight: 800; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .5rem;
}
.stat-value { font-family: var(--font-head); font-size: 2.5rem; font-weight: 800; line-height: 1; }
.stat-sub   { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; }

.stat-card.s-blue::before  { background: var(--accent); }
.stat-card.s-blue .stat-value { color: var(--accent); }
.stat-card.s-orange::before { background: var(--warning); }
.stat-card.s-orange .stat-value { color: var(--warning); }
.stat-card.s-green::before  { background: var(--success); }
.stat-card.s-green .stat-value { color: var(--success); }
.stat-card.s-purple::before { background: var(--emergency); }
.stat-card.s-purple .stat-value { color: var(--emergency); }

.stat-card.accent {
  background: linear-gradient(135deg, var(--accent) 0%, #4F6EFF 100%);
  border-color: transparent; color: #fff;
}
.stat-card.accent::before { display: none; }
.stat-card.accent .stat-label { color: rgba(255,255,255,.7); }
.stat-card.accent .stat-value { color: #fff; }
.stat-card.accent .stat-sub   { color: rgba(255,255,255,.65); }

@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4,1fr); } }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden;
}
.card-header {
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface);
}
.card-title {
  font-family: var(--font-head); font-size: 1rem;
  font-weight: 700; letter-spacing: -.01em;
}
.card-body { padding: 1.5rem; }

/* ── Request items ───────────────────────────────────────────── */
.req-list { display: flex; flex-direction: column; gap: .85rem; }
.req-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.35rem;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; flex-direction: column; gap: .65rem;
  border-left: 3px solid transparent;
}
.req-item:hover { box-shadow: var(--shadow); transform: translateX(3px); border-left-color: var(--accent); }
.req-item.priority-emergency { border-left-color: var(--emergency); }
.req-item.priority-high      { border-left-color: var(--danger); }
.req-top { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; }
.req-title { font-weight: 700; font-size: 1rem; color: var(--text); line-height: 1.3; }
.req-meta  { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-size: .78rem; color: var(--text-muted); }
.req-id    {
  font-family: 'Plus Jakarta Sans', monospace; background: var(--surface2);
  padding: .15rem .5rem; border-radius: 5px; font-size: .75rem; font-weight: 700;
}
.req-badges { display: flex; gap: .4rem; flex-shrink: 0; flex-wrap: wrap; }
.req-desc   { font-size: .865rem; color: var(--text-muted); line-height: 1.55; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: .28rem .75rem; border-radius: 99px;
  font-size: .7rem; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; white-space: nowrap;
}
.badge-pending    { background: var(--warning-bg);   color: #7D5A0A; border: 1px solid #F8CC6A; }
.badge-inprogress { background: var(--accent-light);  color: var(--accent-dark); border: 1px solid #B0BFFF; }
.badge-completed  { background: var(--success-bg);    color: #065F3A; border: 1px solid #7DDBB4; }
.badge-cancelled  { background: var(--surface2);      color: var(--text-muted); border: 1px solid var(--border); }
.pri-low       { background: #F0FDF4; color: #14532D; border: 1px solid #86EFAC; }
.pri-medium    { background: var(--warning-bg);   color: #7D5A0A; border: 1px solid #FCD34D; }
.pri-high      { background: var(--danger-bg);    color: #881337; border: 1px solid #FCA5A5; }
.pri-emergency { background: var(--emergency-bg); color: #4A1285; border: 1px solid #C4B5FD; font-weight: 900; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.35rem; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: .875rem; font-weight: 700;
  cursor: pointer; border: none; transition: var(--transition);
  text-decoration: none; white-space: nowrap; letter-spacing: -.01em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4F6EFF);
  color: #fff; box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow);
  text-decoration: none; color: #fff;
}
.btn-secondary {
  background: var(--surface2); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface3); text-decoration: none; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-sm  { padding: .4rem .9rem; font-size: .78rem; }
.btn-lg  { padding: .9rem 2rem; font-size: 1rem; border-radius: var(--radius); }
.btn-full { width: 100%; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: 8px; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block; font-size: .82rem; font-weight: 700;
  margin-bottom: .45rem; color: var(--text); letter-spacing: .01em;
}
.form-label .req-mark { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%; padding: .75rem 1rem;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-body); font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 120px; line-height: 1.6; }
.form-hint  { font-size: .76rem; color: var(--text-muted); margin-top: .35rem; }
.form-error { font-size: .76rem; color: var(--danger); margin-top: .35rem; }
.form-row   { display: grid; gap: 1rem; }
@media (min-width: 640px) { .form-row.col2 { grid-template-columns: 1fr 1fr; } }

/* Upload zone */
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 2.5rem 1.5rem; text-align: center; cursor: pointer;
  transition: var(--transition); background: var(--surface);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent); background: var(--accent-light);
}
.upload-zone .upload-icon { font-size: 2.2rem; margin-bottom: .5rem; display: block; }
.upload-zone strong { font-size: .925rem; color: var(--text); }
.upload-zone p { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; }

/* ── Auth pages ──────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; padding: 1.5rem;
  background: linear-gradient(150deg, #EEF1FF 0%, #F7F8FC 50%, #FEF9EC 100%);
}
[data-theme="dark"] .auth-page {
  background: linear-gradient(150deg, #080D1C 0%, #0F1629 60%, #140A00 100%);
}
.auth-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2.75rem 2.25rem;
  width: 100%; max-width: 460px; box-shadow: var(--shadow-lg);
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo .logo-wrap {
  width: 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #4F6EFF);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .75rem; font-size: 1.6rem;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.auth-logo h1 { font-size: 1.75rem; font-weight: 800; letter-spacing: -.03em; }
.auth-logo p  { color: var(--text-muted); font-size: .9rem; margin-top: .35rem; }
.auth-footer  { text-align: center; margin-top: 1.5rem; font-size: .875rem; color: var(--text-muted); }
.auth-divider {
  display: flex; align-items: center; gap: .75rem;
  margin: 1.5rem 0; color: var(--text-light); font-size: .78rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.demo-box {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .9rem 1.1rem;
  font-size: .78rem; color: var(--text-muted); margin-top: 1.25rem;
}
.demo-box strong { display: block; margin-bottom: .35rem; color: var(--text); font-size: .8rem; }
.demo-row { display: flex; justify-content: space-between; padding: .2rem 0; }

/* ── Detail grid ─────────────────────────────────────────────── */
.detail-grid { display: grid; gap: 1.35rem; }
@media (min-width: 900px) { .detail-grid { grid-template-columns: 1fr 340px; } }

.meta-table { width: 100%; border-collapse: collapse; }
.meta-table tr+tr td { border-top: 1px solid var(--border); }
.meta-table td { padding: .65rem .85rem; font-size: .85rem; vertical-align: top; }
.meta-table td:first-child { color: var(--text-muted); font-weight: 700; width: 42%; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }

/* Comments */
.comment-list { display: flex; flex-direction: column; gap: .75rem; }
.comment-item {
  background: var(--surface2); border-radius: var(--radius-sm);
  padding: .85rem 1.1rem; font-size: .875rem; border: 1px solid var(--border);
}
.comment-item.internal {
  border-left: 3px solid var(--warning); background: var(--warning-bg);
}
.comment-meta { font-size: .75rem; color: var(--text-muted); margin-bottom: .4rem; font-weight: 600; }

/* Images grid */
.images-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px,1fr));
  gap: .75rem; margin-top: .75rem;
}
.images-grid img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  cursor: pointer; transition: var(--transition);
}
.images-grid img:hover { opacity: .85; transform: scale(1.02); }

/* ── Admin table ─────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th {
  padding: .75rem 1.1rem; text-align: left;
  background: var(--surface2); font-weight: 800; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .09em; color: var(--text-muted);
  border-bottom: 2px solid var(--border); white-space: nowrap;
}
.data-table td {
  padding: .85rem 1.1rem; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--surface2); }

/* ── Filters ─────────────────────────────────────────────────── */
.filters {
  display: flex; flex-wrap: wrap; gap: .65rem;
  margin-bottom: 1.35rem; align-items: center;
}
.filters input, .filters select {
  padding: .6rem .95rem; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); background: var(--surface);
  color: var(--text); font-family: var(--font-body); font-size: .85rem;
  outline: none; transition: border-color var(--transition);
}
.filters input:focus, .filters select:focus { border-color: var(--accent); }
.filters input { flex: 1; min-width: 200px; }

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: .4rem; flex-wrap: wrap; margin-top: 1.75rem;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 .55rem;
  border-radius: var(--radius-sm); font-size: .85rem; font-weight: 700;
  border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text); text-decoration: none; transition: var(--transition);
}
.pagination a:hover   { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.pagination span.cur  { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination span.dots { border: none; background: none; }

/* ── Empty state ─────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 4rem 1.5rem; color: var(--text-muted);
}
.empty-state .empty-icon {
  font-size: 3.5rem; display: block; margin-bottom: .85rem;
  filter: grayscale(.3);
}
.empty-state h3 { font-size: 1.2rem; margin-bottom: .4rem; color: var(--text); }
.empty-state p  { font-size: .875rem; max-width: 340px; margin: 0 auto 1.5rem; }

/* ── Note box ────────────────────────────────────────────────── */
.note-box {
  background: var(--accent-light); border: 1px solid #B0BFFF;
  border-left: 4px solid var(--accent); border-radius: var(--radius-sm);
  padding: 1rem 1.2rem; font-size: .875rem; margin-bottom: 1rem;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  text-align: center; padding: 1.5rem;
  font-size: .78rem; color: var(--text-light);
  border-top: 1px solid var(--border); background: var(--surface);
  margin-top: 2rem;
}

/* ── Utilities ───────────────────────────────────────────────── */
.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.mt-1 { margin-top: .5rem; }  .mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; } .mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; } .gap-2 { gap: .5rem; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .auth-box { padding: 2rem 1.35rem; }
  .page-header h1 { font-size: 1.6rem; }
  .stat-value { font-size: 2rem; }
  .card-body { padding: 1rem; }
}