:root {
  /* Brand Tokens - EZ Pharma Palette */
  --primary: #0052ff;
  --primary-light: #0077ff;
  --primary-dark: #003ecb;
  --primary-navy: #002266;
  --accent-cyan: #00d2ff;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --danger: #ef4444;

  /* Light Theme Tokens */
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --card-border: rgba(0, 82, 255, 0.08);
  --card-shadow: 0 10px 30px -8px rgba(0, 45, 128, 0.06), 0 4px 12px rgba(0, 0, 0, 0.03);
  
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-focus-border: #0052ff;
  --input-focus-ring: rgba(0, 82, 255, 0.18);
  
  --text-main: #0f172a;
  --text-muted: #526071;
  --text-subtle: #8092a4;

  --plan-card-bg: #ffffff;
  --plan-card-border: #e2e8f0;
  --plan-card-active-bg: rgba(0, 82, 255, 0.04);
  --plan-card-active-border: #0052ff;

  --side-card-bg: #ffffff;
  --side-card-border: rgba(0, 82, 255, 0.08);

  --btn-toggle-bg: #ffffff;
  --btn-toggle-color: #1e293b;
  --btn-toggle-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] {
  /* Dark Theme Tokens */
  --bg-page: #070b14;
  --card-bg: #0f182c;
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 10px 35px -10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 82, 255, 0.04);

  --input-bg: #141f36;
  --input-border: rgba(255, 255, 255, 0.12);
  --input-focus-border: #38bdf8;
  --input-focus-ring: rgba(56, 189, 248, 0.25);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --plan-card-bg: #141f36;
  --plan-card-border: rgba(255, 255, 255, 0.1);
  --plan-card-active-bg: rgba(0, 82, 255, 0.15);
  --plan-card-active-border: #0052ff;

  --side-card-bg: #0f182c;
  --side-card-border: rgba(255, 255, 255, 0.08);

  --btn-toggle-bg: #1e293b;
  --btn-toggle-color: #f8fafc;
  --btn-toggle-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
  overflow-x: hidden;
}

/* Ambient glow */
.ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}

.glow-1 {
  top: -150px;
  left: 20%;
  background: radial-gradient(circle, var(--accent-cyan) 0%, var(--primary) 70%);
}

.glow-2 {
  bottom: -150px;
  right: 15%;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.signup-page-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: 3.5rem;
}

/* Topbar */
.signup-topbar {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.signup-topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.signup-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.signin-redirect {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.link-signin {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease;
}

.link-signin:hover {
  color: var(--primary-dark);
}

/* Main Container Grid */
.signup-main-container {
  max-width: 1100px;
  width: 100%;
  margin: 2.5rem auto 0;
  padding: 0 1.5rem;
}

.signup-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

/* Form Card */
.form-card {
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.form-card-header {
  margin-bottom: 2rem;
}

.form-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Form Sections */
.form-section {
  margin-bottom: 1.85rem;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 0.9rem;
}

.input-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.required-star {
  color: var(--danger);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 0.95rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
}

.form-group input:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.input-hint {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 0.35rem;
}

/* Plans Selector Grid */
.plans-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.5rem;
}

.plan-option-card {
  background: var(--plan-card-bg);
  border: 1.5px solid var(--plan-card-border);
  border-radius: 14px;
  padding: 1.25rem 1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.plan-option-card:hover {
  border-color: rgba(0, 82, 255, 0.4);
  transform: translateY(-2px);
}

.plan-option-card.active {
  background: var(--plan-card-active-bg);
  border-color: var(--plan-card-active-border);
  box-shadow: 0 4px 18px rgba(0, 82, 255, 0.15);
}

.plan-option-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.plan-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.best-value-badge {
  font-size: 0.65rem;
  font-weight: 800;
  background: var(--primary);
  color: #ffffff;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.plan-option-price {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-bottom: 0.2rem;
}

.plan-currency {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.plan-amount {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.plan-period-text {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Terms Checkbox */
.terms-group {
  margin: 1.5rem 0 1.75rem;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.checkbox-container input {
  margin-top: 3px;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.terms-link {
  color: var(--primary);
  text-decoration: underline;
}

/* Submit Button */
.btn-submit {
  width: 100%;
  padding: 0.95rem 1.5rem;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 82, 255, 0.3);
  transition: all 0.25s ease;
  position: relative;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 82, 255, 0.4);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-arrow {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.btn-submit:hover .btn-arrow {
  transform: translateX(4px);
}

.payment-disclaimer {
  font-size: 0.76rem;
  color: var(--text-subtle);
  text-align: center;
  margin-top: 1rem;
  line-height: 1.45;
}

/* Alert Box */
.alert-box {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.alert-box.hidden {
  display: none;
}

.alert-success {
  background: rgba(16, 185, 129, 0.12);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .alert-success {
  color: #34d399;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .alert-error {
  color: #f87171;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner.hidden {
  display: none;
}

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

/* Right Sidebar Cards */
.sidebar-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.side-card {
  background: var(--side-card-bg);
  border-radius: 16px;
  border: 1px solid var(--side-card-border);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.side-card-features {
  padding: 1.75rem 1.5rem;
}

.side-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.2rem;
}

.side-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.side-benefits-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.86rem;
  color: var(--text-muted);
  font-weight: 500;
}

.benefit-check {
  width: 17px;
  height: 17px;
  color: var(--accent-green);
  flex-shrink: 0;
}

.trust-mini-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.trust-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 82, 255, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-icon-box svg {
  width: 20px;
  height: 20px;
}

.trust-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.trust-card-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Floating Theme Switcher Button */
.theme-toggle-container {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 1000;
}

.theme-toggle-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--btn-toggle-bg);
  color: var(--btn-toggle-color);
  border: 1px solid var(--card-border);
  box-shadow: var(--btn-toggle-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle-btn:hover {
  transform: scale(1.1) rotate(20deg);
  box-shadow: 0 6px 20px rgba(0, 82, 255, 0.25);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

.theme-icon {
  width: 20px;
  height: 20px;
}

/* Responsive */
@media (max-width: 900px) {
  .signup-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .input-grid-2 {
    grid-template-columns: 1fr;
  }
  .plans-selector-grid {
    grid-template-columns: 1fr;
  }
  .form-card {
    padding: 1.5rem;
  }
}

/* ==============================================
   GLOBAL APP FOOTER
   ============================================== */
.app-global-footer {
  text-align: center;
  padding: 20px 16px;
  font-size: 0.85rem;
  color: var(--text-muted, #64748b);
  border-top: 1px solid var(--card-border, #e2e8f0);
  background: var(--card-bg, #ffffff);
  width: 100%;
  margin-top: 40px;
}

.app-global-footer p {
  margin: 0;
  line-height: 1.5;
}

.app-global-footer a.footer-dev-link {
  color: var(--primary-blue, #0052ff);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.15s ease;
}

.app-global-footer a.footer-dev-link:hover {
  text-decoration: underline;
  color: #003ebd;
}

[data-theme="dark"] .app-global-footer {
  border-top-color: #334155;
  background: #0f172a;
  color: #94a3b8;
}

[data-theme="dark"] .app-global-footer a.footer-dev-link {
  color: #60a5fa;
}