/* ============================================
   PharmaERP Base Styles v2.0
   Ultra-Modern Reset + Typography + Utilities
   ============================================ */

/* CSS RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-page);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(250,204,21,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(163,230,53,0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(22,163,74,0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; border-spacing: 0; }

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-vivid {
  background: var(--primary-gradient-vivid);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p { margin-bottom: var(--space-3); color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

a:not(.btn):not(.nav-item-link):not(.page-btn) {
  color: var(--text-link);
  transition: var(--transition-colors);
  text-decoration: none;
  font-weight: 500;
}
a:not(.btn):not(.nav-item-link):not(.page-btn):hover { color: var(--text-link-hover); }

strong, b { font-weight: var(--font-semibold); }
small { font-size: var(--text-xs); }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: linear-gradient(135deg, var(--primary-50), var(--purple-50));
  color: var(--primary-700);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-100);
}

pre {
  font-family: var(--font-mono);
  background: var(--gray-900);
  color: var(--gray-100);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-lg);
}

hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), var(--primary-200), var(--border-light), transparent);
  margin: var(--space-6) 0;
}

::selection { background: rgba(22,163,74,0.18); color: #14532d; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 10px; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-300), var(--purple-300));
  border-radius: 10px;
  border: 2px solid var(--gray-100);
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-400), var(--purple-400));
}
* { scrollbar-width: thin; scrollbar-color: var(--primary-300) var(--gray-100); }

/* FLEX */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }
.self-center { align-self: center; }
.self-end { align-self: flex-end; }
.inline-flex { display: inline-flex; }

/* GRID */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* GAP */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* TEXT */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.italic { font-style: italic; }
.underline { text-decoration: underline; }
.line-through { text-decoration: line-through; }
.no-wrap { white-space: nowrap; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md { font-size: var(--text-md); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }

/* TEXT COLORS */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: #fff; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-purple { color: var(--purple); }
.text-pink { color: var(--pink); }
.text-indigo { color: var(--primary); }
.text-teal { color: var(--teal); }
.text-orange { color: var(--orange); }

/* BG COLORS */
.bg-white { background-color: #fff; }
.bg-primary { background-color: var(--primary); color: #fff; }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.bg-success { background-color: var(--success); color: #fff; }
.bg-danger { background-color: var(--danger); color: #fff; }
.bg-warning { background-color: var(--warning); color: #fff; }
.bg-info { background-color: var(--info); color: #fff; }
.bg-purple { background-color: var(--purple); color: #fff; }
.bg-pink { background-color: var(--pink); color: #fff; }
.bg-primary-50 { background-color: var(--primary-50); }
.bg-success-50 { background-color: var(--success-50); }
.bg-danger-50 { background-color: var(--danger-50); }
.bg-warning-50 { background-color: var(--warning-50); }
.bg-info-50 { background-color: var(--info-50); }
.bg-purple-50 { background-color: var(--purple-50); }
.bg-pink-50 { background-color: var(--pink-50); }
.bg-gradient-primary { background: var(--primary-gradient); color: #fff; }
.bg-gradient-vivid { background: var(--primary-gradient-vivid); color: #fff; }
.bg-gradient-success { background: var(--success-gradient); color: #fff; }
.bg-gradient-danger { background: var(--danger-gradient); color: #fff; }
.bg-gradient-warning { background: var(--warning-gradient); color: #fff; }
.bg-gradient-info { background: var(--info-gradient); color: #fff; }
.bg-gradient-ocean { background: var(--gradient-ocean); color: #fff; }
.bg-gradient-sunset { background: var(--gradient-sunset); color: #fff; }
.bg-gradient-berry { background: var(--gradient-berry); }
.bg-glass { background: var(--glass-bg); backdrop-filter: var(--glass-blur); }

/* SIZE */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-auto { width: auto; }
.h-auto { height: auto; }
.min-h-screen { min-height: 100vh; }
.max-w-full { max-width: 100%; }

/* MARGINS */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* PADDING */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

/* BORDER RADIUS */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* OVERFLOW */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-visible { overflow: visible; }

/* POSITION */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* DISPLAY */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* TRANSITION */
.transition { transition: var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

/* CURSOR */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* OPACITY */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* TRUNCATE */
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* SHADOWS */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-card { box-shadow: var(--shadow-card); }
.shadow-primary { box-shadow: var(--shadow-primary); }

/* MISC */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }
.select-none { user-select: none; }
.select-all { user-select: all; }

.divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-200), var(--purple-200), transparent);
  margin: var(--space-4) 0;
}

/* ANIMATIONS */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes slideDown { from { opacity: 0; max-height: 0; } to { opacity: 1; max-height: 500px; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes float { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-6px); } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes ripple { 0% { transform: scale(0); opacity: 0.6; } 100% { transform: scale(4); opacity: 0; } }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes popIn { 0% { transform: scale(0.5); opacity: 0; } 70% { transform: scale(1.05); } 100% { transform: scale(1); opacity: 1; } }
@keyframes glowPulse { 0%, 100% { box-shadow: 0 0 5px rgba(22,163,74,0.2); } 50% { box-shadow: 0 0 20px rgba(22,163,74,0.35); } }

.animate-fadeIn { animation: fadeIn 0.3s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.4s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.4s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.4s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.4s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.3s ease forwards; }
.animate-slideDown { animation: slideDown 0.3s ease forwards; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }
.animate-shake { animation: shake 0.3s ease; }
.animate-shimmer { animation: shimmer 2s linear infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-popIn { animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.animate-slideInRight { animation: slideInRight 0.3s ease forwards; }

.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.1s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.2s; }
.delay-5 { animation-delay: 0.25s; }
.delay-6 { animation-delay: 0.3s; }
.delay-7 { animation-delay: 0.35s; }
.delay-8 { animation-delay: 0.4s; }

/* SPINNER */
.spinner {
  display: inline-block;
  width: 28px; height: 28px;
  border: 3px solid rgba(22,163,74,0.15);
  border-top-color: var(--primary);
  border-right-color: var(--purple);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 18px; height: 18px; border-width: 2px; }
.spinner-lg { width: 40px; height: 40px; border-width: 4px; }

/* AVATAR */
.avatar {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(22,163,74,0.25);
  border: 2px solid rgba(255,255,255,0.8);
}
.avatar-sm { width: 28px; height: 28px; font-size: var(--text-xs); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--text-lg); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--text-2xl); }
.avatar-success { background: var(--success-gradient); box-shadow: 0 2px 8px rgba(16,185,129,0.25); }
.avatar-danger { background: var(--danger-gradient); box-shadow: 0 2px 8px rgba(239,68,68,0.25); }
.avatar-warning { background: var(--warning-gradient); box-shadow: 0 2px 8px rgba(245,158,11,0.25); }
.avatar-info { background: var(--info-gradient); box-shadow: 0 2px 8px rgba(14,165,233,0.25); }
.avatar-purple { background: var(--purple-gradient); box-shadow: 0 2px 8px rgba(139,92,246,0.3); }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--text-muted);
  animation: fadeInUp 0.4s ease;
}
.empty-state::before {
  content: '';
  display: block;
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--primary-100), var(--purple-100), var(--pink-100));
  border-radius: var(--radius-2xl);
  margin: 0 auto var(--space-4);
  opacity: 0.8;
}
.empty-state i {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  display: block;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.empty-state p { color: var(--text-muted); margin-top: var(--space-2); font-size: var(--text-sm); }

/* RESPONSIVE */
.hide-mobile { display: block; }
.show-mobile { display: none; }
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
  .text-center-mobile { text-align: center; }
  .stack-mobile { flex-direction: column; }
}

@media print {
  body { background: white !important; }
  body::before { display: none; }
  .sidebar, .header, .sidebar-overlay { display: none !important; }
  .main-wrapper { margin-left: 0 !important; }
  .no-print { display: none !important; }
}