/* ================================================================
   PREMIUM DESIGN SYSTEM v5 — World-Class Client Portal
   ================================================================ */

/* ── Enhanced Color Palette ── */
:root {
  --brand-glow: rgba(30, 58, 138, 0.15);
  --brand-glow-2: rgba(14, 165, 233, 0.12);
  --surface-glass: rgba(255, 255, 255, 0.55);
  --surface-glass-hover: rgba(255, 255, 255, 0.75);
  --surface-elevated: rgba(255, 255, 255, 0.92);
  --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #0EA5E9 50%, #14B8A6 100%);
  --gradient-accent: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  --gradient-mesh: radial-gradient(at 20% 80%, rgba(30,58,138,0.08) 0%, transparent 50%),
                   radial-gradient(at 80% 20%, rgba(14,165,233,0.06) 0%, transparent 50%),
                   radial-gradient(at 50% 50%, rgba(124,58,237,0.04) 0%, transparent 60%);
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --shadow-color: 220 40% 15%;
  --shadow-premium: 0 1px 2px hsl(var(--shadow-color) / 0.02),
                    0 4px 8px hsl(var(--shadow-color) / 0.03),
                    0 16px 32px hsl(var(--shadow-color) / 0.04);
  --shadow-premium-lg: 0 2px 4px hsl(var(--shadow-color) / 0.02),
                       0 8px 16px hsl(var(--shadow-color) / 0.04),
                       0 24px 48px hsl(var(--shadow-color) / 0.06),
                       0 48px 80px hsl(var(--shadow-color) / 0.04);
  --shadow-glow: 0 0 40px rgba(30, 58, 138, 0.08);
}

[data-theme="dark"] {
  --brand-glow: rgba(14, 165, 233, 0.2);
  --brand-glow-2: rgba(20, 184, 166, 0.15);
  --surface-glass: rgba(15, 23, 42, 0.6);
  --surface-glass-hover: rgba(15, 23, 42, 0.8);
  --surface-elevated: rgba(15, 23, 42, 0.95);
  --gradient-mesh: radial-gradient(at 20% 80%, rgba(14,165,233,0.1) 0%, transparent 50%),
                   radial-gradient(at 80% 20%, rgba(20,184,166,0.08) 0%, transparent 50%),
                   radial-gradient(at 50% 50%, rgba(124,58,237,0.06) 0%, transparent 60%);
  --shadow-color: 220 60% 5%;
  --shadow-premium: 0 1px 2px hsl(var(--shadow-color) / 0.1),
                    0 4px 8px hsl(var(--shadow-color) / 0.15),
                    0 16px 32px hsl(var(--shadow-color) / 0.2);
  --shadow-premium-lg: 0 2px 4px hsl(var(--shadow-color) / 0.1),
                       0 8px 16px hsl(var(--shadow-color) / 0.2),
                       0 24px 48px hsl(var(--shadow-color) / 0.25),
                       0 48px 80px hsl(var(--shadow-color) / 0.15);
  --shadow-glow: 0 0 60px rgba(14, 165, 233, 0.1);
}

/* ── Premium Background ── */
.app-bg-wrapper {
  background: var(--bg);
  background-image: var(--gradient-mesh);
}
.app-bg-wrapper::before {
  width: 45vw; height: 45vw;
  filter: blur(100px);
  opacity: 0.7;
  animation: floatOrb 25s infinite ease-in-out alternate;
}
.app-bg-wrapper::after {
  width: 35vw; height: 35vw;
  filter: blur(100px);
  opacity: 0.6;
  animation-duration: 30s;
}

/* ── Typography Refinements ── */
body {
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  text-rendering: optimizeLegibility;
}

/* ── Sidebar Premium ── */
.sidebar {
  background: var(--surface-glass);
  border-inline-end: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  box-shadow: 4px 0 32px rgba(0,0,0,0.02);
}
.sidebar::after {
  background: linear-gradient(to bottom, 
    transparent 0%, 
    color-mix(in srgb, var(--brand), transparent 70%) 30%,
    color-mix(in srgb, var(--brand-2), transparent 70%) 70%,
    transparent 100%);
  opacity: 0.2;
  width: 1.5px;
}

.sidebar-user-card {
  background: linear-gradient(135deg, var(--surface-2), color-mix(in srgb, var(--brand), transparent 95%));
  border: 1px solid color-mix(in srgb, var(--brand), transparent 88%);
  border-radius: 14px;
  padding: 16px;
  transition: all 0.3s var(--ease-smooth);
}
.sidebar-user-card:hover {
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand), transparent 88%), color-mix(in srgb, var(--brand-2), transparent 90%));
  border-color: color-mix(in srgb, var(--brand), transparent 60%);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--brand), transparent 85%);
}
.sidebar-user-avatar {
  border-radius: 10px;
  border: 2px solid color-mix(in srgb, var(--brand), transparent 70%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Nav items */
.nav a, .nav button {
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.1px;
  border-inline-start: none;
  border-inline-end: none;
  transition: all 0.2s var(--ease-smooth);
}
html[dir="rtl"] .nav a, html[dir="rtl"] .nav button {
  border-inline-start: none;
  border-inline-end: none;
}
.nav a.active {
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand), transparent 82%), color-mix(in srgb, var(--brand-2), transparent 88%));
  color: var(--brand);
  font-weight: 700;
  border-inline-start: none;
  box-shadow: 0 2px 12px color-mix(in srgb, var(--brand), transparent 80%),
              inset 0 0 0 1px color-mix(in srgb, var(--brand), transparent 75%);
}
html[dir="rtl"] .nav a.active { border-inline-end: none; }
.nav a:hover:not(.active), .nav button:hover:not(.active) {
  background: color-mix(in srgb, var(--text), transparent 95%);
  transform: none;
}
html[dir="rtl"] .nav a:hover:not(.active), html[dir="rtl"] .nav button:hover:not(.active) {
  transform: none;
}
.nav a::before, .nav button::before { display: none; }

.nav a.active i, .nav a.active .bi {
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--brand), transparent 40%));
}

/* ── Topbar Premium ── */
.topbar {
  min-height: 72px;
  background: var(--surface-glass);
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 40%);
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.topbar .page-breadcrumb strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.4px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Cards Premium ── */
.card {
  background: var(--surface-elevated);
  border: 1px solid color-mix(in srgb, var(--line), transparent 20%);
  border-radius: 20px;
  box-shadow: var(--shadow-premium);
  transition: all 0.35s var(--ease-smooth);
}
.card:hover {
  box-shadow: var(--shadow-premium-lg), var(--shadow-glow);
  border-color: color-mix(in srgb, var(--brand), transparent 70%);
  transform: translateY(-4px);
}
.card::after {
  background: linear-gradient(125deg, transparent 30%, rgba(255,255,255,0.08) 50%, transparent 70%);
  background-size: 300% 300%;
  background-position: 200% 200%;
  transition: background-position 0.8s var(--ease-out);
  border-radius: 20px;
}
.card:hover::after { background-position: -50% -50%; }

.card-head {
  padding: 22px 28px;
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 40%);
}
.card-head h3 {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.card-pad { padding: 28px; }

/* ── KPI Cards Premium ── */
.kpi-card-c {
  padding: 32px 24px 24px;
  border-radius: 20px;
  gap: 10px;
}
.kpi-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 20px;
  font-size: 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transition: all 0.35s var(--ease-spring);
}
.card:hover .kpi-icon-wrap,
.card-link:hover .kpi-icon-wrap {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}
.kpi-num {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -2.5px;
  background: linear-gradient(135deg, var(--text) 40%, var(--muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.kpi-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.kpi-sub {
  font-size: 12px;
  font-weight: 600;
  transition: all 0.25s var(--ease-smooth);
  padding: 4px 12px;
  border-radius: 20px;
  background: transparent;
}
.card-link:hover .kpi-sub {
  background: color-mix(in srgb, var(--brand), transparent 90%);
  color: var(--brand);
  opacity: 1;
}

/* ── Welcome Banner Premium ── */
.welcome-banner {
  border-radius: 24px;
  padding: 32px 36px;
  background: var(--gradient-primary);
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  box-shadow: 0 16px 48px color-mix(in srgb, var(--brand), transparent 55%),
              0 4px 12px color-mix(in srgb, var(--brand), transparent 70%);
  border: 1px solid rgba(255,255,255,0.1);
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.welcome-banner h2 {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.welcome-banner p {
  font-size: 15px;
  opacity: 0.9;
}

/* ── Buttons Premium ── */
.btn {
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.1px;
  transition: all 0.25s var(--ease-smooth);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid color-mix(in srgb, var(--line), transparent 20%);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-premium);
}

.btn-primary {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  border: none;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--brand), transparent 65%),
              0 1px 3px color-mix(in srgb, var(--brand), transparent 50%);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand), transparent 50%),
              0 2px 6px color-mix(in srgb, var(--brand), transparent 40%);
  transform: translateY(-2px);
  border: none;
}
.btn-primary:hover::before { opacity: 1; }

/* ── Inputs Premium ── */
.input, .select, .textarea {
  border-radius: 14px;
  border: 1.5px solid color-mix(in srgb, var(--line), transparent 10%);
  background: var(--surface-elevated);
  box-shadow: 0 1px 2px rgba(0,0,0,0.02), inset 0 1px 2px rgba(0,0,0,0.01);
  transition: all 0.25s var(--ease-smooth);
  font-size: 15px;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand), transparent 88%),
              0 1px 2px rgba(0,0,0,0.02);
  transform: translateY(-1px);
  background: var(--surface-solid);
}

/* ── Login Page Premium ── */
.login-shell {
  background: var(--bg);
}
.login-visual {
  padding: 48px 56px;
}
.login-visual::before {
  background: linear-gradient(160deg, 
    rgba(15, 23, 42, 0.88) 0%, 
    rgba(30, 58, 138, 0.65) 40%, 
    rgba(14, 165, 233, 0.45) 100%);
}
.login-brand {
  font-size: 24px;
  letter-spacing: -0.8px;
}
.login-brand img {
  width: 42px; height: 42px;
  border-radius: 14px;
  padding: 7px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.1);
}
.login-copy h1 {
  font-size: clamp(44px, 6.5vw, 82px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  text-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.login-copy p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
}
.feature-list li {
  font-size: 15px;
  gap: 16px;
  padding: 6px 0;
}
.feature-list li .fi {
  width: 44px; height: 44px;
  border-radius: 14px;
  font-size: 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.3s var(--ease-spring);
}
.feature-list li:hover .fi {
  transform: scale(1.1) rotate(3deg);
  background: rgba(255,255,255,0.18);
}

.login-panel {
  background: var(--bg);
  background-image: var(--gradient-mesh);
}
.login-card {
  border-radius: 24px;
  padding: 44px;
  background: var(--surface-elevated);
  border: 1px solid color-mix(in srgb, var(--line), transparent 20%);
  box-shadow: var(--shadow-premium-lg);
  transition: all 0.4s var(--ease-smooth);
}
.login-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium-lg), var(--shadow-glow);
}
.login-card h2 {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Tables Premium ── */
.table th {
  font-size: 11px;
  letter-spacing: 0.8px;
  font-weight: 800;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--surface-2), transparent 30%);
  padding: 14px 20px;
}
.table tbody tr {
  transition: all 0.2s var(--ease-smooth);
}
.table tbody tr:hover {
  background: color-mix(in srgb, var(--brand), transparent 96%);
  transform: none;
}

/* ── Badge Premium ── */
.badge {
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  padding: 5px 14px;
}

/* ── Quick Action Buttons ── */
.quick-action-btn {
  border-radius: 16px;
  padding: 16px 18px !important;
  border: 1px solid color-mix(in srgb, var(--line), transparent 20%);
  background: var(--surface-elevated);
  transition: all 0.3s var(--ease-smooth);
}
.quick-action-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-premium-lg);
}

/* ── Rate Pills ── */
.rate-pill {
  border-radius: 10px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ── Device Cards ── */
.device-card-modern {
  border-radius: 20px;
  box-shadow: var(--shadow-premium);
  transition: all 0.35s var(--ease-smooth);
}
.device-card-modern:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium-lg), var(--shadow-glow);
}
.dcm-header {
  height: 4px;
  background: var(--gradient-primary);
}

/* ── Scroll-to-top ── */
#scrollTop {
  border-radius: 14px;
  width: 44px; height: 44px;
  background: var(--surface-elevated);
  border: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  box-shadow: var(--shadow-premium);
  transition: all 0.3s var(--ease-spring);
}
#scrollTop:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-premium-lg);
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ── Portal Footer Premium ── */
.portal-footer {
  border-top: 1px solid color-mix(in srgb, var(--line), transparent 50%);
  padding: 24px 32px;
}

/* ── Page Content Animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.content > * {
  animation: fadeUp 0.5s var(--ease-out) both;
}
.content > *:nth-child(1) { animation-delay: 0.04s; }
.content > *:nth-child(2) { animation-delay: 0.08s; }
.content > *:nth-child(3) { animation-delay: 0.12s; }
.content > *:nth-child(4) { animation-delay: 0.16s; }
.content > *:nth-child(5) { animation-delay: 0.20s; }
.content > *:nth-child(6) { animation-delay: 0.24s; }

/* ── Sidebar Collapse enhancements ── */
.sidebar-collapse-btn {
  width: 30px; height: 30px;
  border-radius: 10px;
  background: var(--surface-elevated);
  border: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  box-shadow: var(--shadow-premium);
}

/* ── Modal Premium ── */
.modal-content {
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  box-shadow: var(--shadow-premium-lg);
}
.modal-header {
  border-radius: 24px 24px 0 0;
  padding: 24px 28px;
}

/* ── Alert Premium ── */
.alert {
  border-radius: 16px !important;
  padding: 16px 20px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

/* ── Floating Noise Texture ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: var(--noise);
  pointer-events: none;
  z-index: 0;
  opacity: 0.2;
  mix-blend-mode: overlay;
}

/* ── Premium Chart Box ── */
.chart-box {
  padding: 24px;
  height: 360px;
}

/* ── Smooth Selection Color ── */
::selection {
  background: color-mix(in srgb, var(--brand), transparent 70%);
  color: var(--text);
}

/* ── Info Chip Premium ── */
.info-chip {
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  background: color-mix(in srgb, var(--surface-2), transparent 30%);
}

/* ── WA Icon Premium ── */
.wa-icon-link {
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
  transition: all 0.25s var(--ease-spring);
}
.wa-icon-link:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
}

/* ── Profile page refinements ── */
.profile-logo {
  border-radius: 18px;
  border: 2px solid color-mix(in srgb, var(--brand), transparent 75%);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* ── Tab links ── */
.tab-link {
  border-radius: 14px 14px 0 0;
  font-weight: 700;
  transition: all 0.25s var(--ease-smooth);
}
.tab-link.active {
  background: color-mix(in srgb, var(--brand), transparent 92%);
  box-shadow: inset 0 -2px 0 var(--brand);
}

/* ── Subscription accent ── */
.sub-card-accent {
  height: 4px;
  border-radius: 20px 20px 0 0;
  background: var(--gradient-primary);
}

/* ── Card accent top ── */
.card-accent-top {
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 20px 20px 0 0;
}

/* ── Enhanced scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { 
  background: color-mix(in srgb, var(--muted), transparent 60%); 
  border-radius: 10px; 
}
::-webkit-scrollbar-thumb:hover { 
  background: color-mix(in srgb, var(--brand), transparent 40%); 
}

/* ── Responsive premium tweaks ── */
@media (max-width: 1120px) {
  .login-card { padding: 36px; border-radius: 20px; }
}
@media (max-width: 640px) {
  .card { border-radius: 16px; }
  .welcome-banner { border-radius: 18px; padding: 24px 22px; }
  .kpi-card-c { padding: 24px 18px 18px; }
  .login-card { padding: 28px; border-radius: 18px; }
}

/* ── Scroll Reveal Animation ── */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0, 0, 0.2, 1);
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-on-scroll:nth-child(1) { transition-delay: 0.02s; }
.reveal-on-scroll:nth-child(2) { transition-delay: 0.06s; }
.reveal-on-scroll:nth-child(3) { transition-delay: 0.10s; }
.reveal-on-scroll:nth-child(4) { transition-delay: 0.14s; }
.reveal-on-scroll:nth-child(5) { transition-delay: 0.18s; }
.reveal-on-scroll:nth-child(6) { transition-delay: 0.22s; }

/* ── Gradient Border Effect for Active States ── */
.card:focus-within {
  border-color: color-mix(in srgb, var(--brand), transparent 50%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand), transparent 85%),
              var(--shadow-premium);
}

/* ── Premium Loading Skeleton ── */
.skeleton {
  background: linear-gradient(90deg, 
    var(--surface-2) 25%, 
    color-mix(in srgb, var(--brand), transparent 92%) 50%, 
    var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.8s ease infinite;
  border-radius: 12px;
}

/* ── Hover Lift for card-links ── */
.card-link {
  display: block;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-link:hover {
  transform: translateY(-4px);
}
.card-link:hover .card {
  box-shadow: var(--shadow-premium-lg), var(--shadow-glow);
}

/* ── Enhanced Status Indicators ── */
.dcm-status {
  font-size: 11px;
  letter-spacing: 0.5px;
  border-radius: 8px;
  padding: 5px 12px;
}
.dcm-status.status-active {
  background: linear-gradient(135deg, #16A34A, #22C55E);
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
}

/* ── Enhanced Page Progress ── */
#page-progress {
  height: 2px;
  background: var(--gradient-primary);
  background-size: 300% 100%;
}