/* Global App Shell: Header, Footer, Layouts */

.app-container {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

:where(button, [role="button"], input, textarea, select, a):focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px var(--accent),
    0 0 0 6px rgba(var(--accent-rgb), 0.22);
}

/* Header */
.global-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  height: 72px;
  padding: 0 clamp(20px, 4vw, 40px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0)),
    rgba(7, 7, 10, 0.72);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-bottom: none; /* Removed redundant divider */
}

.global-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--text-primary);
  text-decoration: none;
}

.global-header .brand-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.28), transparent 48%),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.82), rgba(var(--accent-rgb), 0.34));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 10px 24px rgba(var(--accent-rgb), 0.18);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
}

.global-header .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.global-header .brand-text strong {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.global-header .brand-text small {
  margin-top: 3px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-quaternary);
}

.global-header .nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  padding: 6px;
  margin: 0 auto;
  max-width: fit-content;
}

.global-header .nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  color: #D1D5DB; /* Improved contrast >= 4.5:1 */
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.global-header .nav-links a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.global-header .nav-links a.active {
  color: #ffffff;
  background: linear-gradient(135deg, #0052D9, #0070F3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}


.global-header .actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.global-header .user-center-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.global-header .user-center-btn:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.global-header .user-center-btn.active {
  border-color: rgba(var(--accent-rgb), 0.4);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}

/* Main Content Area */
.main-content {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: var(--layout-width);
  min-width: 0;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 40px) var(--layout-margin) 72px;
  box-sizing: border-box;
}

@media (min-width: 1440px) {
  :root {
    --layout-width: 70%;
    --layout-margin: 24px;
  }
  .main-content {
    max-width: max(var(--layout-width), 1008px); /* Ensure it's at least a decent width but 70% of 1440 is 1008 */
  }
}

@media (max-width: 1439px) and (min-width: 1024px) {
  :root {
    --layout-width: 85%;
    --layout-margin: 24px;
  }
}

@media (max-width: 1023px) and (min-width: 768px) {
  :root {
    --layout-width: 100%;
    --layout-margin: 24px;
  }
}

@media (max-width: 767px) {
  :root {
    --layout-width: 100%;
    --layout-margin: 16px;
  }
  .main-content {
    padding-bottom: 56px;
    /* 安全折行控制 */
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
  }
}

/* Account Drawer / Popover */
.account-drawer {
  position: fixed;
  top: 84px;
  right: clamp(20px, 4vw, 40px);
  width: min(340px, calc(100vw - 32px));
  display: none;
  padding: var(--spacing-lg);
  border-radius: 24px;
  border: 1px solid var(--border-default);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018)),
    rgba(15, 15, 21, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-panel);
  z-index: 100;
}

.account-drawer.open {
  display: block;
}

.account-drawer h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.account-drawer .card {
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.14), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.02);
}

@media (max-width: 1024px) {
  .global-header .nav-links {
    display: none;
  }

  .global-header {
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  .global-header {
    height: 68px;
  }

  .global-header .actions {
    display: none;
  }

  .global-header .brand-text small {
    display: none;
  }

  .main-content {
    padding-bottom: 56px;
  }
}

/* Lighter shell for Gravity story pages */
.gravity-console-page .global-header,
.gravity-report-page .global-header {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    rgba(5, 5, 8, 0.42);
  border-bottom: none;
  backdrop-filter: blur(26px) saturate(120%);
  -webkit-backdrop-filter: blur(26px) saturate(120%);
}

.gravity-console-page .global-header .brand-icon,
.gravity-report-page .global-header .brand-icon {
  border-color: rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 48%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(var(--accent-rgb), 0.3));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 8px 22px rgba(0, 0, 0, 0.24);
}

.gravity-console-page .global-header .brand-text small,
.gravity-report-page .global-header .brand-text small {
  color: rgba(255, 255, 255, 0.28);
}

.gravity-console-page .global-header .nav-links a,
.gravity-report-page .global-header .nav-links a {
  color: rgba(255, 255, 255, 0.56);
}

.gravity-console-page .global-header .nav-links a:hover,
.gravity-report-page .global-header .nav-links a:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.gravity-console-page .global-header .nav-links a.active,
.gravity-report-page .global-header .nav-links a.active {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, #0052D9, #0070F3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.gravity-console-page .global-header .actions .btn,
.gravity-report-page .global-header .actions .btn {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: none;
}