/* ========================================
   PlainWealth - Main Stylesheet
   Design System: Deep green + Navy + White
   Typography: Inter (loaded via Google Fonts)
   ======================================== */

:root {
  --pw-green-900: #0d1f17;
  --pw-green-800: #122a20;
  --pw-green-700: #1a3a2a;
  --pw-green-600: #1f4734;
  --pw-green-500: #2a5c43;
  --pw-green-400: #3d7a59;
  --pw-green-300: #5a9e76;
  --pw-green-200: #87c4a0;
  --pw-green-100: #b5e3ca;
  --pw-green-50: #e3f5ea;

  --pw-navy-900: #0a0e1a;
  --pw-navy-800: #111827;
  --pw-navy-700: #1a2332;
  --pw-navy-600: #233044;
  --pw-navy-500: #334155;
  --pw-navy-400: #475569;
  --pw-navy-300: #64748b;
  --pw-navy-200: #94a3b8;
  --pw-navy-100: #cbd5e1;
  --pw-navy-50: #f1f5f9;

  --pw-white: #ffffff;
  --pw-off-white: #fafbfc;
  --pw-gray-50: #f9fafb;
  --pw-gray-100: #f3f4f6;
  --pw-gray-200: #e5e7eb;
  --pw-gray-300: #d1d5db;
  --pw-gray-400: #9ca3af;
  --pw-gray-500: #6b7280;
  --pw-gray-600: #4b5563;
  --pw-gray-700: #374151;
  --pw-gray-800: #1f2937;
  --pw-gray-900: #111827;

  --pw-accent: var(--pw-green-500);
  --pw-accent-hover: var(--pw-green-400);
  --pw-accent-light: var(--pw-green-50);

  --pw-radius-sm: 6px;
  --pw-radius: 8px;
  --pw-radius-lg: 12px;
  --pw-radius-xl: 16px;

  --pw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --pw-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --pw-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --pw-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --pw-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --pw-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --pw-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--pw-font-sans);
  color: var(--pw-gray-800);
  background: var(--pw-white);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--pw-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--pw-accent-hover);
}

/* ==================== NAVIGATION ==================== */

.pw-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--pw-gray-200);
}

.pw-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pw-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--pw-green-900);
  letter-spacing: -0.02em;
}

.pw-logo svg {
  width: 32px;
  height: 32px;
}

.pw-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.pw-nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--pw-gray-600);
  transition: color 0.15s ease;
}

.pw-nav-links a:hover {
  color: var(--pw-gray-900);
}

.pw-nav-links a.pw-nav-cta {
  background: var(--pw-accent);
  color: white;
  padding: 8px 18px;
  border-radius: var(--pw-radius);
  font-weight: 600;
  transition: background 0.15s ease;
}

.pw-nav-links a.pw-nav-cta:hover {
  background: var(--pw-accent-hover);
  color: white;
}

.pw-nav-links a.pw-nav-outline {
  border: 1.5px solid var(--pw-gray-300);
  padding: 8px 18px;
  border-radius: var(--pw-radius);
  font-weight: 600;
  color: var(--pw-gray-700);
  transition: all 0.15s ease;
}

.pw-nav-links a.pw-nav-outline:hover {
  border-color: var(--pw-gray-400);
  color: var(--pw-gray-900);
}

.pw-mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--pw-gray-700);
}

.pw-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 64px;
  background: var(--pw-white);
  z-index: 99;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.pw-mobile-menu.active {
  display: flex;
}

.pw-mobile-menu a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--pw-gray-700);
  border-radius: var(--pw-radius);
  transition: background 0.15s;
}

.pw-mobile-menu a:hover {
  background: var(--pw-gray-50);
}

.pw-mobile-menu a.pw-mobile-cta {
  background: var(--pw-accent);
  color: white;
  text-align: center;
  margin-top: 8px;
}

/* ==================== BUTTONS ==================== */

.pw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--pw-font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--pw-radius);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
}

.pw-btn-primary {
  background: var(--pw-accent);
  color: white;
}

.pw-btn-primary:hover {
  background: var(--pw-green-400);
  color: white;
}

.pw-btn-secondary {
  background: var(--pw-gray-100);
  color: var(--pw-gray-700);
  border: 1.5px solid var(--pw-gray-200);
}

.pw-btn-secondary:hover {
  background: var(--pw-gray-200);
  color: var(--pw-gray-900);
}

.pw-btn-outline {
  background: transparent;
  color: var(--pw-gray-700);
  border: 1.5px solid var(--pw-gray-300);
}

.pw-btn-outline:hover {
  border-color: var(--pw-gray-500);
  color: var(--pw-gray-900);
}

.pw-btn-danger {
  background: #dc2626;
  color: white;
}

.pw-btn-danger:hover {
  background: #b91c1c;
  color: white;
}

.pw-btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.pw-btn-sm {
  padding: 8px 16px;
  font-size: 0.825rem;
}

.pw-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==================== CONTAINERS ==================== */

.pw-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.pw-container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.pw-container-xs {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== SECTIONS ==================== */

.pw-section {
  padding: 96px 0;
}

.pw-section-sm {
  padding: 64px 0;
}

.pw-section-tight {
  padding: 48px 0;
}

/* ==================== HERO ==================== */

.pw-hero {
  padding: 96px 0 80px;
  text-align: center;
}

.pw-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pw-accent-light);
  color: var(--pw-green-700);
  font-size: 0.825rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.pw-hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pw-green-500);
}

.pw-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--pw-gray-900);
  margin-bottom: 20px;
}

.pw-hero p {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--pw-gray-500);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.pw-hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==================== HEADINGS ==================== */

.pw-heading-1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--pw-gray-900);
  line-height: 1.2;
}

.pw-heading-2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pw-gray-900);
  line-height: 1.3;
}

.pw-heading-3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--pw-gray-900);
  line-height: 1.4;
}

.pw-section-label {
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pw-green-500);
  margin-bottom: 12px;
}

.pw-subtitle {
  font-size: 1.1rem;
  color: var(--pw-gray-500);
  line-height: 1.7;
}

/* ==================== CARDS ==================== */

.pw-card {
  background: var(--pw-white);
  border: 1px solid var(--pw-gray-200);
  border-radius: var(--pw-radius-xl);
  padding: 32px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.pw-card:hover {
  border-color: var(--pw-gray-300);
  box-shadow: var(--pw-shadow-md);
}

.pw-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--pw-radius);
  background: var(--pw-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--pw-green-500);
}

/* ==================== FORMS ==================== */

.pw-form-group {
  margin-bottom: 20px;
}

.pw-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pw-gray-700);
  margin-bottom: 6px;
}

.pw-input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--pw-font-sans);
  font-size: 0.95rem;
  color: var(--pw-gray-900);
  background: var(--pw-white);
  border: 1.5px solid var(--pw-gray-300);
  border-radius: var(--pw-radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.pw-input:focus {
  border-color: var(--pw-accent);
  box-shadow: 0 0 0 3px rgba(42, 92, 67, 0.12);
}

.pw-input::placeholder {
  color: var(--pw-gray-400);
}

.pw-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--pw-font-sans);
  font-size: 0.95rem;
  color: var(--pw-gray-900);
  background: var(--pw-white);
  border: 1.5px solid var(--pw-gray-300);
  border-radius: var(--pw-radius);
  resize: vertical;
  min-height: 120px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.pw-textarea:focus {
  border-color: var(--pw-accent);
  box-shadow: 0 0 0 3px rgba(42, 92, 67, 0.12);
}

.pw-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--pw-gray-600);
  cursor: pointer;
}

.pw-checkbox-group input[type="checkbox"] {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--pw-accent);
  cursor: pointer;
  flex-shrink: 0;
}

.pw-checkbox-group a {
  text-decoration: underline;
}

.pw-form-error {
  font-size: 0.825rem;
  color: #dc2626;
  margin-top: 4px;
  display: none;
}

.pw-form-error.visible {
  display: block;
}

.pw-input-error {
  border-color: #dc2626 !important;
}

.pw-input-error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12) !important;
}

/* ==================== ALERTS ==================== */

.pw-alert {
  padding: 14px 18px;
  border-radius: var(--pw-radius);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.pw-alert-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.pw-alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.pw-alert-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.pw-alert-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.pw-alert-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ==================== AUTH PAGES ==================== */

.pw-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: var(--pw-off-white);
}

.pw-auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--pw-white);
  border: 1px solid var(--pw-gray-200);
  border-radius: var(--pw-radius-xl);
  padding: 40px;
  box-shadow: var(--pw-shadow-lg);
}

.pw-auth-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.pw-auth-card-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pw-gray-900);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.pw-auth-card-header p {
  color: var(--pw-gray-500);
  font-size: 0.9rem;
}

.pw-auth-card-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--pw-gray-500);
}

.pw-auth-card-footer a {
  font-weight: 600;
}

.pw-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--pw-gray-400);
  font-size: 0.8rem;
}

.pw-divider::before,
.pw-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--pw-gray-200);
}

.pw-password-strength {
  height: 4px;
  border-radius: 2px;
  margin-top: 6px;
  transition: all 0.3s ease;
  background: var(--pw-gray-200);
}

.pw-password-strength-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
}

/* ==================== DASHBOARD ==================== */

.pw-dashboard-layout {
  display: flex;
  min-height: 100vh;
}

.pw-dashboard-sidebar {
  width: 260px;
  background: var(--pw-white);
  border-right: 1px solid var(--pw-gray-200);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
}

.pw-dashboard-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px 40px;
  background: var(--pw-off-white);
  min-height: 100vh;
}

.pw-dashboard-main-full {
  flex: 1;
  margin-left: 260px;
  background: var(--pw-off-white);
  min-height: 100vh;
}

.pw-sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--pw-radius);
  color: var(--pw-gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.pw-sidebar-link:hover {
  background: var(--pw-gray-50);
  color: var(--pw-gray-900);
}

.pw-sidebar-link.active {
  background: var(--pw-accent-light);
  color: var(--pw-green-700);
  font-weight: 600;
}

.pw-sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.pw-sidebar-section {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pw-gray-400);
  padding: 16px 14px 8px;
}

.pw-stat-card {
  background: var(--pw-white);
  border: 1px solid var(--pw-gray-200);
  border-radius: var(--pw-radius-xl);
  padding: 24px;
}

.pw-stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--pw-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.pw-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--pw-gray-900);
  letter-spacing: -0.025em;
}

.pw-stat-change {
  font-size: 0.825rem;
  font-weight: 600;
  margin-top: 4px;
}

.pw-stat-change.positive {
  color: #059669;
}

.pw-stat-change.negative {
  color: #dc2626;
}

/* ==================== FOOTER ==================== */

.pw-footer {
  background: var(--pw-navy-800);
  color: var(--pw-gray-400);
  padding: 64px 0 32px;
  margin-top: auto;
}

.pw-footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.pw-footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}

.pw-footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pw-gray-300);
  margin-bottom: 16px;
}

.pw-footer-col ul {
  list-style: none;
}

.pw-footer-col li {
  margin-bottom: 10px;
}

.pw-footer-col a {
  font-size: 0.875rem;
  color: var(--pw-gray-400);
  transition: color 0.15s;
}

.pw-footer-col a:hover {
  color: var(--pw-white);
}

.pw-footer-bottom {
  max-width: 1280px;
  margin: 32px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--pw-navy-600);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
  color: var(--pw-gray-500);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==================== UTILITY ==================== */

.pw-text-center { text-align: center; }
.pw-text-right { text-align: right; }
.pw-mt-0 { margin-top: 0; }
.pw-mt-1 { margin-top: 4px; }
.pw-mt-2 { margin-top: 8px; }
.pw-mt-3 { margin-top: 12px; }
.pw-mt-4 { margin-top: 16px; }
.pw-mt-6 { margin-top: 24px; }
.pw-mt-8 { margin-top: 32px; }
.pw-mt-12 { margin-top: 48px; }
.pw-mb-4 { margin-bottom: 16px; }
.pw-mb-6 { margin-bottom: 24px; }
.pw-mb-8 { margin-bottom: 32px; }
.pw-flex { display: flex; }
.pw-flex-col { flex-direction: column; }
.pw-items-center { align-items: center; }
.pw-justify-center { justify-content: center; }
.pw-justify-between { justify-content: space-between; }
.pw-gap-2 { gap: 8px; }
.pw-gap-3 { gap: 12px; }
.pw-gap-4 { gap: 16px; }
.pw-gap-6 { gap: 24px; }
.pw-gap-8 { gap: 32px; }
.pw-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pw-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pw-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pw-w-full { width: 100%; }
.pw-rounded { border-radius: var(--pw-radius); }
.pw-shadow { box-shadow: var(--pw-shadow); }
.pw-hidden { display: none; }

.pw-bg-green { background: var(--pw-accent-light); }
.pw-text-green { color: var(--pw-green-500); }
.pw-bg-light { background: var(--pw-off-white); }

.pw-prose {
  max-width: 720px;
  line-height: 1.75;
  color: var(--pw-gray-700);
}

.pw-prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pw-gray-900);
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

.pw-prose h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--pw-gray-900);
  margin: 28px 0 8px;
}

.pw-prose p {
  margin-bottom: 16px;
}

.pw-prose ul, .pw-prose ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.pw-prose li {
  margin-bottom: 6px;
}

.pw-prose strong {
  color: var(--pw-gray-900);
}

/* ==================== BADGE / TAG ==================== */

.pw-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
}

.pw-badge-green {
  background: var(--pw-accent-light);
  color: var(--pw-green-600);
}

.pw-badge-gray {
  background: var(--pw-gray-100);
  color: var(--pw-gray-600);
}

/* ==================== TOOLTIP / NOTIFICATION ==================== */

.pw-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--pw-gray-900);
  color: white;
  padding: 14px 20px;
  border-radius: var(--pw-radius);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 9999;
  box-shadow: var(--pw-shadow-xl);
  animation: pw-slide-up 0.3s ease;
  max-width: 380px;
}

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

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1024px) {
  .pw-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pw-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .pw-nav-links {
    display: none;
  }

  .pw-mobile-menu-btn {
    display: block;
  }

  .pw-hero {
    padding: 64px 0 48px;
  }

  .pw-section {
    padding: 64px 0;
  }

  .pw-grid-2,
  .pw-grid-3,
  .pw-grid-4 {
    grid-template-columns: 1fr;
  }

  .pw-dashboard-sidebar {
    display: none;
  }

  .pw-dashboard-main,
  .pw-dashboard-main-full {
    margin-left: 0;
    padding: 24px 20px;
  }

  .pw-dashboard-mobile-nav {
    display: flex;
  }

  .pw-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pw-footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .pw-auth-card {
    padding: 28px 24px;
  }
}

@media (max-width: 480px) {
  .pw-hero h1 {
    font-size: 2rem;
  }

  .pw-auth-card {
    padding: 24px 18px;
  }
}