/* ══════════════════════════════════════════════════════════════
   Sofazi Worker — Theme v4.3.2
   BUG-009: تصميم محسّن — ألوان أنظف، spacing أفضل، dark mode
   ══════════════════════════════════════════════════════════════ */

:root {
  --wkr-bg:        #f8fafc;
  --wkr-surface:   #ffffff;
  --wkr-surface2:  #f1f5f9;
  --wkr-border:    #e2e8f0;
  --wkr-text:      #0f172a;
  --wkr-text2:     #475569;
  --wkr-text3:     #94a3b8;
  --wkr-primary:   #1e40af;
  --wkr-primary2:  #3b82f6;
  --wkr-success:   #059669;
  --wkr-success2:  #10b981;
  --wkr-danger:    #dc2626;
  --wkr-warning:   #d97706;
  --wkr-purple:    #7c3aed;
  --wkr-info:      #0ea5e9;
  --wkr-shadow:    0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.03);
  --wkr-shadow-lg: 0 4px 16px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.06);
  --wkr-radius:    14px;
  --wkr-radius-sm: 10px;
  --wkr-radius-lg: 20px;
}

/* ── Dark Mode: يتبع تفضيل النظام تلقائياً ── */
@media (prefers-color-scheme: dark) {
  :root {
    --wkr-bg:       #0f172a;
    --wkr-surface:  #1e293b;
    --wkr-surface2: #334155;
    --wkr-border:   #334155;
    --wkr-text:     #f1f5f9;
    --wkr-text2:    #cbd5e1;
    --wkr-text3:    #94a3b8;
    --wkr-shadow:   0 1px 3px rgba(0,0,0,.3), 0 4px 12px rgba(0,0,0,.2);
    --wkr-shadow-lg: 0 4px 16px rgba(0,0,0,.4);
  }
}

/* يدوي: .wkr-dark على body */
body.wkr-dark {
  --wkr-bg:       #0f172a;
  --wkr-surface:  #1e293b;
  --wkr-surface2: #334155;
  --wkr-border:   #334155;
  --wkr-text:     #f1f5f9;
  --wkr-text2:    #cbd5e1;
  --wkr-text3:    #94a3b8;
}

body {
  background: var(--wkr-bg) !important;
  color: var(--wkr-text) !important;
  font-family: 'Tajawal', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ══════════════════════════════════════════════════════════════
   شاشة تسجيل الدخول — محسّنة
   ══════════════════════════════════════════════════════════════ */
#wkrLogin {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a8a 50%, #1e293b 100%);
  position: relative;
  overflow: hidden;
}

#wkrLogin::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(59,130,246,.15) 0%, transparent 40%);
  pointer-events: none;
  animation: wkrGlow 8s ease-in-out infinite;
}
@keyframes wkrGlow {
  0%, 100% { transform: scale(1); opacity: .8; }
  50%      { transform: scale(1.1); opacity: 1; }
}

.wkr-login-card {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 22px;
  padding: 36px 28px;
  width: 100%; max-width: 380px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  position: relative;
  z-index: 1;
}

.wkr-logo {
  width: 80px; height: 80px;
  border-radius: 22px;
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.3rem; color: #fff;
  margin: 0 auto 18px;
  font-weight: 900;
  box-shadow: 0 8px 24px rgba(59,130,246,.4);
}

.wkr-title {
  color: #fff; font-size: 1.5rem; font-weight: 900;
  margin-bottom: 6px; letter-spacing: -.5px;
}

.wkr-sub {
  color: rgba(255,255,255,.6);
  font-size: .85rem; margin-bottom: 26px;
}

.wkr-input {
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.15);
  color: #fff;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: 'Tajawal', sans-serif;
  width: 100%;
  text-align: center;
  letter-spacing: 1.5px;
  transition: all .25s;
}
.wkr-input::placeholder { color: rgba(255,255,255,.35); letter-spacing: 0; }
.wkr-input:focus {
  outline: none;
  border-color: #60a5fa;
  background: rgba(59,130,246,.15);
  box-shadow: 0 0 0 3px rgba(59,130,246,.2);
}

.wkr-btn {
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  border: none;
  border-radius: 12px;
  color: #fff;
  padding: 15px;
  font-size: 1rem;
  font-weight: 800;
  font-family: 'Tajawal', sans-serif;
  width: 100%;
  margin-top: 14px;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(59,130,246,.35);
}
.wkr-btn:hover  { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,130,246,.45); }
.wkr-btn:active { transform: translateY(0) scale(.98); }

/* ══════════════════════════════════════════════════════════════
   تطبيق العامل
   ══════════════════════════════════════════════════════════════ */
#wkrApp {
  display: none;
  min-height: 100vh;
  background: var(--wkr-bg);
  padding-bottom: 90px;
}

/* Header محسّن */
.wkr-header {
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  padding: 16px 18px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}

.wkr-header-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 10px;
}

.wkr-worker-name {
  color: #fff; font-weight: 800;
  font-size: 1rem; line-height: 1.3;
}
.wkr-worker-phone {
  color: rgba(255,255,255,.55);
  font-size: .75rem;
  margin-top: 2px;
}

.wkr-logout {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: .85rem;
  cursor: pointer;
  transition: .2s;
}
.wkr-logout:hover { background: rgba(239,68,68,.2); border-color: rgba(239,68,68,.4); }

/* Tabs محسّنة */
.wkr-tabs {
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  background: var(--wkr-surface);
  border-bottom: 1px solid var(--wkr-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.wkr-tabs::-webkit-scrollbar { display: none; }

.wkr-tab {
  padding: 9px 16px;
  border-radius: 22px;
  border: none;
  font-family: 'Tajawal', sans-serif;
  font-size: .85rem; font-weight: 700;
  cursor: pointer; white-space: nowrap;
  background: var(--wkr-surface2);
  color: var(--wkr-text2);
  transition: all .2s;
}
.wkr-tab.active {
  background: linear-gradient(135deg, var(--wkr-primary2), var(--wkr-primary));
  color: #fff;
  box-shadow: 0 4px 12px rgba(59,130,246,.3);
}

.wkr-content { padding: 16px; }

/* ══════════════════════════════════════════════════════════════
   Task Card — محسّن
   ══════════════════════════════════════════════════════════════ */
.task-card {
  background: var(--wkr-surface);
  border: 1px solid var(--wkr-border);
  border-radius: var(--wkr-radius);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--wkr-shadow);
  transition: transform .15s, box-shadow .2s;
}
.task-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--wkr-shadow-lg);
}

.task-card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--wkr-border);
  display: flex; align-items: center;
  justify-content: space-between; gap: 12px;
  cursor: pointer;
  user-select: none;
}
.task-card-body { padding: 14px 16px; color: var(--wkr-text); }

.task-status {
  padding: 5px 12px;
  border-radius: 22px;
  font-size: .72rem;
  font-weight: 800;
  white-space: nowrap;
}
.ts-pending  { background: rgba(59,130,246,.15); color: var(--wkr-primary2); }
.ts-working  { background: rgba(245,158,11,.18); color: var(--wkr-warning); }
.ts-approval { background: rgba(139,92,246,.18); color: var(--wkr-purple); }
.ts-install  { background: rgba(14,165,233,.18); color: var(--wkr-info); }
.ts-done     { background: rgba(16,185,129,.18); color: var(--wkr-success); }

/* زر إبلاغ النقص */
.shortage-btn {
  background: rgba(239,68,68,.08);
  border: 1.5px solid var(--wkr-danger);
  color: var(--wkr-danger);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  font-family: 'Tajawal', sans-serif;
  margin-top: 10px;
  transition: .2s;
}
.shortage-btn:hover { background: rgba(239,68,68,.15); }

/* Specification block */
.spec-block {
  background: var(--wkr-surface2);
  border-radius: var(--wkr-radius-sm);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.spec-label {
  font-size: .7rem; color: var(--wkr-text3);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; margin-bottom: 4px;
}
.spec-value {
  font-size: .9rem; color: var(--wkr-text);
  line-height: 1.6; white-space: pre-wrap;
}

/* Empty state */
.wkr-empty {
  text-align: center;
  padding: 60px 20px;
}
.wkr-empty-icon {
  font-size: 3.5rem;
  margin-bottom: 14px;
  opacity: .7;
}
.wkr-empty-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--wkr-text);
}
.wkr-empty-sub {
  font-size: .85rem;
  color: var(--wkr-text3);
}

/* ══════════════════════════════════════════════════════════════
   Modal محسّنة
   ══════════════════════════════════════════════════════════════ */
.wkr-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: wkrFadeIn .2s;
}
@keyframes wkrFadeIn { from { opacity: 0; } to { opacity: 1; } }

.wkr-modal {
  background: var(--wkr-surface);
  color: var(--wkr-text);
  border-radius: 22px 22px 0 0;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 20px 18px;
  animation: wkrSlideUp .3s cubic-bezier(.2,.9,.3,1);
  box-shadow: 0 -8px 32px rgba(0,0,0,.2);
}
@keyframes wkrSlideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.wkr-modal-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 14px;
  display: flex; justify-content: space-between;
  align-items: center;
}

.wkr-close {
  background: var(--wkr-surface2);
  border: none;
  border-radius: 50%;
  width: 34px; height: 34px;
  cursor: pointer;
  font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--wkr-text2);
  transition: .2s;
}
.wkr-close:hover { background: rgba(239,68,68,.15); color: var(--wkr-danger); }

/* ══════════════════════════════════════════════════════════════
   Earnings Stats
   ══════════════════════════════════════════════════════════════ */
._wkr-stat-mini {
  background: var(--wkr-surface);
  border: 1px solid var(--wkr-border);
  border-radius: var(--wkr-radius-sm);
  padding: 10px 12px;
  box-shadow: var(--wkr-shadow);
}
._wkr-stat-val {
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.2;
}
._wkr-stat-lbl {
  font-size: .7rem;
  color: var(--wkr-text3);
  font-weight: 600;
  margin-top: 2px;
}
._wkr-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 12px;
  border-bottom: 1px solid var(--wkr-border);
  gap: 10px;
}
._wkr-row:last-child { border-bottom: none; }

/* ══════════════════════════════════════════════════════════════
   Offline Indicator (شريط علوي عند فقدان الاتصال)
   ══════════════════════════════════════════════════════════════ */
.wkr-offline-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: linear-gradient(135deg, #dc2626, #991b1b);
  color: #fff;
  text-align: center;
  padding: 8px 14px;
  font-size: .82rem;
  font-weight: 700;
  z-index: 9999;
  box-shadow: 0 2px 12px rgba(220,38,38,.35);
  animation: wkrSlideDown .3s;
}
@keyframes wkrSlideDown { from { transform: translateY(-100%); } to { transform: translateY(0); } }

/* ══════════════════════════════════════════════════════════════
   Bottom Nav (اختياري — للتنقل السريع)
   ══════════════════════════════════════════════════════════════ */
.wkr-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--wkr-surface);
  border-top: 1px solid var(--wkr-border);
  display: flex;
  justify-content: space-around;
  padding: 8px 0;
  z-index: 50;
  box-shadow: 0 -4px 16px rgba(0,0,0,.06);
}

/* ══════════════════════════════════════════════════════════════
   Animation utilities
   ══════════════════════════════════════════════════════════════ */
.wkr-skeleton {
  background: linear-gradient(90deg, var(--wkr-surface2) 0%, var(--wkr-border) 50%, var(--wkr-surface2) 100%);
  background-size: 200% 100%;
  animation: wkrShimmer 1.4s infinite;
  border-radius: var(--wkr-radius-sm);
}
@keyframes wkrShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ══════════════════════════════════════════════════════════════
   Utility classes
   ══════════════════════════════════════════════════════════════ */
.piece-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--wkr-border);
  font-size: .88rem;
}
.piece-row:last-child { border: none; }

/* Print styles */
@media print {
  .wkr-header, .wkr-tabs, .wkr-bottom-nav, .wkr-offline-banner, .wkr-logout {
    display: none !important;
  }
  #wkrApp { padding: 0 !important; background: #fff !important; }
  .task-card { break-inside: avoid; }
}