/**
 * Inscape SPA - Base Styles
 * 
 * CSS Variables, Reset, Header, Footer, Layout
 *
 * @package PCC_Woo
 * @since 1.2.0
 */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
  /* Colors */
  --ins-primary: #2563eb;
  --ins-primary-hover: #1d4ed8;
  --ins-primary-light: #dbeafe;
  --ins-secondary: #64748b;
  --ins-success: #22c55e;
  --ins-success-light: #dcfce7;
  --ins-warning: #f59e0b;
  --ins-warning-light: #fef3c7;
  --ins-danger: #ef4444;
  --ins-danger-light: #fee2e2;
  --ins-info: #3b82f6;
  --ins-info-light: #dbeafe;

  /* Neutrals */
  --ins-white: #ffffff;
  --ins-gray-50: #f8fafc;
  --ins-gray-100: #f1f5f9;
  --ins-gray-200: #e2e8f0;
  --ins-gray-300: #cbd5e1;
  --ins-gray-400: #94a3b8;
  --ins-gray-500: #64748b;
  --ins-gray-600: #475569;
  --ins-gray-700: #334155;
  --ins-gray-800: #1e293b;
  --ins-gray-900: #0f172a;

  /* Typography */
  --ins-font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --ins-font-size-xs: 0.75rem;
  --ins-font-size-sm: 0.875rem;
  --ins-font-size-base: 1rem;
  --ins-font-size-lg: 1.125rem;
  --ins-font-size-xl: 1.25rem;
  --ins-font-size-2xl: 1.5rem;
  --ins-font-size-3xl: 1.875rem;

  /* Spacing */
  --ins-space-1: 0.25rem;
  --ins-space-2: 0.5rem;
  --ins-space-3: 0.75rem;
  --ins-space-4: 1rem;
  --ins-space-5: 1.25rem;
  --ins-space-6: 1.5rem;
  --ins-space-8: 2rem;
  --ins-space-10: 2.5rem;
  --ins-space-12: 3rem;

  /* Borders */
  --ins-radius-sm: 0.25rem;
  --ins-radius: 0.375rem;
  --ins-radius-lg: 0.5rem;
  --ins-radius-xl: 0.75rem;
  --ins-radius-full: 9999px;

  /* Shadows */
  --ins-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --ins-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --ins-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --ins-shadow-lg:
    0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --ins-transition: 150ms ease;
  --ins-transition-slow: 300ms ease;

  /* Layout */
  --ins-header-height: 64px;
  --ins-sidebar-width: 240px;
  --ins-main-max-width: 100%;
  --ins-content-max-width: 1280px;
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body.inscape-spa {
  margin: 0;
  padding: 0;
  font-family: var(--ins-font-family);
  font-size: var(--ins-font-size-base);
  line-height: 1.5;
  color: var(--ins-gray-800);
  background-color: var(--ins-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--ins-primary);
  color: var(--ins-white);
  padding: var(--ins-space-2) var(--ins-space-4);
  z-index: 10000;
  transition: top var(--ins-transition);
}

.skip-link:focus {
  top: 0;
}

/* ========================================
   Header
   ======================================== */
.inscape-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--ins-white);
  height: var(--ins-header-height);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.inscape-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--ins-content-max-width);
  margin: 0 auto;
  padding: 0 var(--ins-space-6);
  height: 100%;
  gap: 16px;
}

/* Header Back Button */
.header-back-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #1a1a2e;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.header-back-btn:hover {
  background: #2d2d44;
  transform: scale(1.05);
}

.inscape-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #1a1a2e;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
}

.inscape-logo img {
  max-height: 36px;
  width: auto;
}

/* Desktop Navigation */
.desktop-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.inscape-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  text-decoration: none;
  color: var(--ins-gray-600);
  border-radius: 12px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 15px;
}

.nav-item a:hover {
  background: var(--ins-gray-100);
  color: var(--ins-gray-800);
}

.nav-item.active a {
  background: rgba(3, 169, 244, 0.1);
  color: #03a9f4;
}

/* User Menu */
.inscape-user-menu {
  position: relative;
}

.user-dropdown {
  position: relative;
}

.user-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: var(--ins-gray-50);
  border: 1px solid var(--ins-gray-200);
  cursor: pointer;
  border-radius: 50px;
  transition: all 0.2s ease;
}

.user-toggle:hover {
  background: var(--ins-gray-100);
  border-color: var(--ins-gray-300);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  color: #1a1a2e;
  font-weight: 600;
  font-size: 14px;
}

.dropdown-arrow {
  color: var(--ins-gray-400);
  transition: transform 0.2s ease;
}

.user-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--ins-white);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  padding: 8px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.2s ease;
  border: 1px solid var(--ins-gray-100);
}

.user-dropdown.open .user-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.user-dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--ins-gray-700);
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 14px;
}

.user-dropdown-menu li a svg {
  color: var(--ins-gray-400);
}

.user-dropdown-menu li a:hover {
  background: var(--ins-gray-100);
}

.user-dropdown-menu li a:hover svg {
  color: var(--ins-gray-600);
}

.user-dropdown-menu li a.logout-link:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.user-dropdown-menu li a.logout-link:hover svg {
  color: #ef4444;
}

.user-dropdown-menu .divider {
  height: 1px;
  background: var(--ins-gray-200);
  margin: 8px 0;
}

.login-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: linear-gradient(135deg, #03a9f4 0%, #0288d1 100%);
  color: var(--ins-white);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(3, 169, 244, 0.4);
}

.login-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(3, 169, 244, 0.5);
}

/* ========================================
   Mobile Bottom Navigation
   ======================================== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 8px 8px calc(env(safe-area-inset-bottom) + 8px);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  justify-content: space-around;
  align-items: center;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--ins-gray-400);
  transition: all 0.2s ease;
  border-radius: 16px;
  min-width: 60px;
  position: relative;
}

.bottom-nav-item svg {
  transition: all 0.2s ease;
  width: 22px;
  height: 22px;
}

.bottom-nav-item span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.bottom-nav-item:hover {
  color: var(--ins-gray-600);
}

.bottom-nav-item.active {
  color: #1a1a2e;
}

.bottom-nav-item.active svg {
  stroke-width: 2.5;
}

/* Active indicator dot */
.bottom-nav-item.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: #1a1a2e;
  border-radius: 50%;
}

/* ========================================
   Mobile Responsive Header
   ======================================== */
@media (max-width: 768px) {
  .inscape-header {
    height: 60px;
  }

  .inscape-header-inner {
    padding: 0 16px;
  }

  .desktop-nav {
    display: none;
  }

  .user-name,
  .dropdown-arrow {
    display: none;
  }

  .user-toggle {
    padding: 4px;
    background: transparent;
    border: none;
  }

  .user-avatar {
    width: 36px;
    height: 36px;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .inscape-main {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }

  .inscape-logo a {
    font-size: 18px;
  }

  .inscape-content {
    padding: var(--ins-space-3) !important;
  }

  .ent-section {
    padding: var(--ins-space-4) !important;

    margin: var(--ins-space-4) 0;
  }
}

/* ========================================
   Main Content
   ======================================== */
.inscape-main {
  min-height: calc(100vh - var(--ins-bottom-nav-height));
  padding: var(--ins-space-0);
}

.inscape-content {
  max-width: var(--ins-content-max-width);
  margin: 0 auto;
  padding: var(--ins-space-3) var(--ins-content-padding);
}

/* Loading State */
.inscape-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ins-space-12);
  gap: var(--ins-space-4);
}

.inscape-loading.active {
  display: flex;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--ins-gray-200);
  border-top-color: var(--ins-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   Email Verification Gate
   ======================================== */
.verify-email-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.verify-email-content {
  text-align: center;
  max-width: 400px;
  padding: var(--ins-space-8);
  background: var(--ins-white);
  border-radius: var(--ins-radius-xl);
  box-shadow: var(--ins-shadow-lg);
}

.verify-icon {
  font-size: 48px;
  margin-bottom: var(--ins-space-4);
}

.verify-email-content h2 {
  margin: 0 0 var(--ins-space-4);
  color: var(--ins-gray-900);
}

.verify-email-content p {
  color: var(--ins-gray-600);
  margin-bottom: var(--ins-space-4);
}

.email-display {
  font-weight: 600;
  color: var(--ins-gray-800);
}

.verify-help {
  font-size: var(--ins-font-size-sm);
  color: var(--ins-gray-500);
}

/* ========================================
   Footer
   ======================================== */
.inscape-footer {
  background: var(--ins-white);
  border-top: 1px solid var(--ins-gray-200);
  padding: var(--ins-space-4) var(--ins-space-6);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--ins-content-max-width);
  margin: 0 auto;
}

.copyright {
  margin: 0;
  color: var(--ins-gray-500);
  font-size: var(--ins-font-size-sm);
}

.footer-nav {
  display: flex;
  gap: var(--ins-space-4);
}

.footer-nav a {
  color: var(--ins-gray-500);
  text-decoration: none;
  font-size: var(--ins-font-size-sm);
  transition: color var(--ins-transition);
}

.footer-nav a:hover {
  color: var(--ins-gray-700);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ins-space-6);
}

.page-title {
  margin: 0;
  font-size: var(--ins-font-size-2xl);
  font-weight: 700;
  color: var(--ins-gray-900);
}

.page-actions {
  display: flex;
  gap: var(--ins-space-3);
}

.page-header-modern {
  background: var(--ins-white);
  padding: var(--ins-space-6) var(--ins-space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ins-gray-100);
}

.page-header-content {
  flex: 1;
}

.page-title-modern {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ins-gray-900);
}

.page-subtitle-modern {
  margin: var(--ins-space-1) 0 0;
  font-size: var(--ins-font-size-sm);
  color: var(--ins-gray-500);
}

/* ========================================
   Empty States
   ======================================== */
.empty-state {
  text-align: center;
  padding: var(--ins-space-12);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: var(--ins-space-4);
}

.empty-title {
  font-size: var(--ins-font-size-xl);
  font-weight: 600;
  color: var(--ins-gray-700);
  margin: 0 0 var(--ins-space-2);
}

.empty-description {
  color: var(--ins-gray-500);
  margin: 0 0 var(--ins-space-6);
}

.empty-state-modern {
  text-align: center;
  padding: var(--ins-space-12) var(--ins-space-4);
}

.empty-state-modern .empty-icon {
  font-size: 64px;
  margin-bottom: var(--ins-space-4);
}

.empty-state-modern h3 {
  font-size: var(--ins-font-size-xl);
  color: var(--ins-gray-900);
  margin: 0 0 var(--ins-space-2);
}

.empty-state-modern p {
  color: var(--ins-gray-500);
  margin: 0 0 var(--ins-space-6);
}

.empty-state-modern-full {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ins-space-12);
  text-align: center;
  min-height: 50vh;
}

.empty-illustration {
  font-size: 64px;
  margin-bottom: var(--ins-space-4);
}

.empty-state-modern-full h3 {
  margin: 0 0 var(--ins-space-2);
  font-size: var(--ins-font-size-xl);
  color: var(--ins-gray-800);
}

.empty-state-modern-full p {
  margin: 0 0 var(--ins-space-6);
  color: var(--ins-gray-500);
}

.empty-state-mini {
  text-align: center;
  padding: var(--ins-space-8);
  color: var(--ins-gray-500);
}

.empty-state-mini p {
  margin: 0;
  font-size: var(--ins-font-size-sm);
}

/* ========================================
   Screen Reader Only
   ======================================== */
.sr-only,
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .inscape-nav {
    position: fixed;
    top: var(--ins-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--ins-white);
    padding: var(--ins-space-4);
    transform: translateX(-100%);
    transition: transform var(--ins-transition-slow);
    z-index: 999;
  }

  .inscape-nav.open {
    transform: translateX(0);
  }

  .inscape-nav-list {
    flex-direction: column;
    gap: var(--ins-space-2);
  }

  .nav-item a {
    padding: var(--ins-space-4);
  }

  .mobile-menu-toggle {
    display: block;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--ins-space-4);
  }

  .page-actions {
    width: 100%;
  }

  .page-actions .btn {
    flex: 1;
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--ins-space-4);
    text-align: center;
  }
}