/**
 * NexusOne Enterprise SaaS - Register View Stylesheet
 * Brand Standard: Frosted Navy & Frosted Gold (AxisFlow Solutions)
 * Aerospace-Grade Precision | Strictly No Lime Green | Strict CSP Compliant
 */

:root {
    --n1-navy-deep: #070d1e;
    --n1-navy-surface: #0a1329;
    --n1-navy-card: #0f1c3d;
    --n1-navy-card-hover: #14244f;
    --n1-navy-border: rgba(141, 169, 196, 0.18);
    --n1-navy-border-focus: #2563eb;
    
    --n1-blue-action: #1572e8;
    --n1-blue-hover: #1a7dfa;
    --n1-blue-glow: rgba(21, 114, 232, 0.28);
    --n1-blue-light: #38bdf8;
    
    --n1-gold-frosted: #f59e0b;
    --n1-gold-light: #fbbf24;
    --n1-gold-glow: rgba(245, 158, 11, 0.22);
    
    --n1-slate-50: #f8fafc;
    --n1-slate-100: #f1f5f9;
    --n1-slate-200: #e2e8f0;
    --n1-slate-300: #cbd5e1;
    --n1-slate-400: #94a3b8;
    --n1-slate-500: #64748b;
    --n1-slate-700: #334155;
    --n1-slate-800: #1e293b;
    --n1-slate-900: #0f172a;
    
    --n1-danger: #ef4444;
    --n1-danger-bg: rgba(239, 68, 68, 0.12);
    --n1-success: #10b981;
    --n1-success-bg: rgba(16, 185, 129, 0.12);
    --n1-warning: #f59e0b;
    --n1-warning-bg: rgba(245, 158, 11, 0.12);
    
    --n1-radius-sm: 8px;
    --n1-radius-md: 12px;
    --n1-radius-lg: 16px;
    --n1-radius-xl: 24px;
    --n1-radius-pill: 9999px;
    
    --n1-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --n1-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --n1-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
    --n1-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.32);
    --n1-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.44);
    --n1-shadow-glow: 0 0 30px rgba(21, 114, 232, 0.2);
}

/* Page Reset & Base Canvas */
body.n1-register-body,
body:has(.n1-register-viewport) {
    background: var(--n1-navy-deep);
    color: var(--n1-slate-100);
    font-family: var(--n1-font);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    overflow-x: hidden;
    overflow-y: auto;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(30, 58, 138, 0.35), transparent 70%),
        radial-gradient(circle at 100% 100%, rgba(15, 23, 42, 0.8), transparent 60%),
        radial-gradient(circle at 0% 80%, rgba(245, 158, 11, 0.05), transparent 40%);
    background-attachment: fixed;
}

/* Top Navigation Bar */
.n1-register-topbar {
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--n1-navy-border);
    background: rgba(10, 19, 41, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.n1-register-topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--n1-slate-50);
}

.n1-register-topbar-logo {
    height: 34px;
    width: auto;
    display: block;
}

.n1-register-topbar-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.n1-register-topbar-text {
    color: var(--n1-slate-400);
    display: none;
}

@media (min-width: 640px) {
    .n1-register-topbar-text {
        display: inline;
    }
}

.n1-register-topbar-link {
    color: var(--n1-gold-light);
    font-weight: 600;
    text-decoration: none;
    padding: 0.45rem 1rem;
    border-radius: var(--n1-radius-pill);
    border: 1px solid rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.08);
    transition: all 0.2s ease;
}

.n1-register-topbar-link:hover {
    background: rgba(245, 158, 11, 0.18);
    border-color: var(--n1-gold-light);
    color: #ffffff;
    text-decoration: none;
}

/* Main Viewport Container */
.n1-register-viewport {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem 1.5rem;
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

/* Two-Column Master Grid */
.n1-register-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    width: 100%;
}

@media (min-width: 1024px) {
    .n1-register-grid {
        grid-template-columns: 420px 1fr;
        gap: 3rem;
    }
}

@media (min-width: 1200px) {
    .n1-register-grid {
        grid-template-columns: 460px 1fr;
        gap: 3.5rem;
    }
}

/* ==========================================================================
   LEFT COLUMN: Value Highlights & Trust Ecosystem
   ========================================================================== */
.n1-register-left {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .n1-register-left {
        position: sticky;
        top: 6.5rem;
    }
}

.n1-register-hero-card {
    background: linear-gradient(180deg, rgba(15, 28, 61, 0.8) 0%, rgba(10, 19, 41, 0.95) 100%);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-xl);
    padding: 2.25rem 2rem;
    box-shadow: var(--n1-shadow-md);
    position: relative;
    overflow: hidden;
}

.n1-register-hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--n1-blue-action), var(--n1-gold-frosted), var(--n1-blue-action));
}

.n1-register-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--n1-gold-light);
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 0.35rem 0.85rem;
    border-radius: var(--n1-radius-pill);
    margin-bottom: 1.25rem;
}

.n1-register-badge-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--n1-gold-light);
    box-shadow: 0 0 10px var(--n1-gold-light);
}

.n1-register-hero-title {
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--n1-slate-50);
    margin-bottom: 0.85rem;
}

.n1-register-hero-title span {
    background: linear-gradient(135deg, #ffffff 40%, var(--n1-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.n1-register-hero-desc {
    color: var(--n1-slate-300);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

/* Feature List */
.n1-register-features {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    margin-bottom: 1.5rem;
}

.n1-register-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.n1-register-feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: var(--n1-radius-sm);
    background: rgba(21, 114, 232, 0.15);
    border: 1px solid rgba(21, 114, 232, 0.3);
    color: var(--n1-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.n1-register-feature-icon svg {
    width: 15px;
    height: 15px;
}

.n1-register-feature-text {
    flex: 1;
}

.n1-register-feature-heading {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--n1-slate-100);
    margin-bottom: 0.15rem;
}

.n1-register-feature-body {
    font-size: 0.82rem;
    color: var(--n1-slate-400);
    line-height: 1.45;
}

/* Trust Ecosystem Card */
.n1-register-trust-card {
    background: rgba(10, 19, 41, 0.6);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-lg);
    padding: 1.5rem 1.75rem;
}

.n1-register-trust-title {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--n1-slate-400);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.n1-register-trust-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.n1-register-trust-pill {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(15, 28, 61, 0.7);
    border: 1px solid rgba(141, 169, 196, 0.14);
    border-radius: var(--n1-radius-md);
    padding: 0.65rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--n1-slate-200);
}

.n1-register-trust-pill svg {
    width: 18px;
    height: 18px;
    color: var(--n1-gold-light);
    flex-shrink: 0;
}

.n1-register-operator-footnote {
    font-size: 0.75rem;
    color: var(--n1-slate-500);
    line-height: 1.5;
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(141, 169, 196, 0.1);
}

/* ==========================================================================
   RIGHT COLUMN: Registration Form & Dynamic Order Summary
   ========================================================================== */
.n1-register-right {
    display: flex;
    flex-direction: column;
}

.n1-register-form-card {
    background: var(--n1-navy-surface);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-xl);
    padding: 2.25rem 2rem;
    box-shadow: var(--n1-shadow-lg);
    position: relative;
}

@media (min-width: 640px) {
    .n1-register-form-card {
        padding: 2.75rem 2.5rem;
    }
}

/* Section Dividers & Step Headers */
.n1-form-step {
    margin-bottom: 2.5rem;
}

.n1-form-step:last-of-type {
    margin-bottom: 1.75rem;
}

.n1-step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--n1-navy-border);
}

.n1-step-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.n1-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--n1-blue-action);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 12px var(--n1-blue-glow);
}

.n1-step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--n1-slate-50);
    margin: 0;
}

.n1-step-subtext {
    font-size: 0.82rem;
    color: var(--n1-slate-400);
    display: block;
    margin-top: 0.15rem;
}

/* Billing Cycle Switcher */
.n1-cycle-toggle-group {
    display: inline-flex;
    align-items: center;
    background: rgba(15, 28, 61, 0.9);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-pill);
    padding: 3px;
    gap: 2px;
}

.n1-cycle-toggle-btn {
    border: none;
    background: transparent;
    color: var(--n1-slate-300);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: var(--n1-radius-pill);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.n1-cycle-toggle-btn:hover {
    color: #ffffff;
}

.n1-cycle-toggle-btn.active {
    background: var(--n1-blue-action);
    color: #ffffff;
    box-shadow: 0 2px 8px var(--n1-blue-glow);
}

.n1-cycle-save-badge {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--n1-gold-light);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: var(--n1-radius-pill);
}

/* Plan Selection Cards Grid */
.n1-plans-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .n1-plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.n1-plan-card {
    background: var(--n1-navy-card);
    border: 1.5px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-lg);
    padding: 1.25rem 1.15rem;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.n1-plan-card:hover {
    border-color: rgba(56, 189, 248, 0.4);
    background: var(--n1-navy-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--n1-shadow-sm);
}

.n1-plan-card.selected {
    border-color: var(--n1-blue-action);
    background: linear-gradient(180deg, rgba(21, 114, 232, 0.12) 0%, rgba(15, 28, 61, 0.95) 100%);
    box-shadow: 0 0 0 2px rgba(21, 114, 232, 0.35), var(--n1-shadow-sm);
}

.n1-plan-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.n1-plan-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--n1-slate-50);
    margin: 0;
}

.n1-plan-radio-box {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--n1-slate-500);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.n1-plan-card.selected .n1-plan-radio-box {
    border-color: var(--n1-blue-action);
    background: var(--n1-blue-action);
}

.n1-plan-radio-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ffffff;
    display: none;
}

.n1-plan-card.selected .n1-plan-radio-dot {
    display: block;
}

.n1-plan-price-block {
    margin-bottom: 0.75rem;
}

.n1-plan-currency {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--n1-slate-400);
    vertical-align: top;
    margin-right: 2px;
}

.n1-plan-amount {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--n1-slate-50);
    letter-spacing: -0.02em;
}

.n1-plan-cycle {
    font-size: 0.78rem;
    color: var(--n1-slate-400);
    font-weight: 500;
    display: block;
    margin-top: 1px;
}

.n1-plan-desc {
    font-size: 0.78rem;
    color: var(--n1-slate-400);
    line-height: 1.4;
    margin-bottom: 0.85rem;
    min-height: 38px;
}

.n1-plan-perks {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.75rem;
    color: var(--n1-slate-300);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    border-top: 1px solid rgba(141, 169, 196, 0.12);
    padding-top: 0.75rem;
}

.n1-plan-perk-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.n1-plan-perk-item svg {
    width: 12px;
    height: 12px;
    color: var(--n1-gold-light);
    flex-shrink: 0;
}

/* Form Fields & Inputs */
.n1-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .n1-form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.n1-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.n1-form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--n1-slate-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.n1-label-req {
    color: var(--n1-gold-frosted);
    font-weight: 700;
}

.n1-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.n1-input-icon {
    position: absolute;
    left: 1rem;
    color: var(--n1-slate-400);
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.n1-input-icon svg {
    width: 17px;
    height: 17px;
}

.n1-input {
    width: 100%;
    background: rgba(15, 28, 61, 0.85);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-md);
    color: var(--n1-slate-50);
    font-family: var(--n1-font);
    font-size: 0.92rem;
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    transition: all 0.2s ease;
    outline: none;
}

.n1-input::placeholder {
    color: var(--n1-slate-500);
}

.n1-input:focus {
    border-color: var(--n1-navy-border-focus);
    background: rgba(15, 28, 61, 1);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.n1-input.is-invalid {
    border-color: var(--n1-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.n1-select {
    width: 100%;
    background: rgba(15, 28, 61, 0.85);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-md);
    color: var(--n1-slate-50);
    font-family: var(--n1-font);
    font-size: 0.92rem;
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    transition: all 0.2s ease;
    outline: none;
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.n1-select:focus {
    border-color: var(--n1-navy-border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.n1-select option {
    background: var(--n1-navy-surface);
    color: var(--n1-slate-100);
}

.n1-field-feedback {
    font-size: 0.78rem;
    color: var(--n1-danger);
    display: none;
    margin-top: 0.25rem;
}

.n1-input.is-invalid + .n1-field-feedback,
.n1-input-wrap:has(.n1-input.is-invalid) + .n1-field-feedback {
    display: block;
}

/* Dynamic Order Summary Card */
.n1-order-summary {
    background: linear-gradient(135deg, rgba(15, 28, 61, 0.95) 0%, rgba(10, 19, 41, 0.9) 100%);
    border: 1px solid var(--n1-navy-border);
    border-radius: var(--n1-radius-lg);
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.n1-order-summary::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--n1-gold-frosted);
}

.n1-order-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.n1-summary-plan-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--n1-slate-400);
    display: block;
    margin-bottom: 0.25rem;
}

.n1-summary-plan-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--n1-slate-50);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.n1-summary-cycle-pill {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.65rem;
    border-radius: var(--n1-radius-pill);
    background: rgba(21, 114, 232, 0.2);
    border: 1px solid rgba(21, 114, 232, 0.35);
    color: var(--n1-blue-light);
}

.n1-summary-total-block {
    text-align: right;
}

.n1-summary-total-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--n1-slate-400);
    display: block;
    margin-bottom: 0.25rem;
}

.n1-summary-total-amount {
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--n1-gold-light);
    letter-spacing: -0.02em;
    margin: 0;
    text-shadow: 0 0 16px rgba(245, 158, 11, 0.25);
}

.n1-summary-tax-note {
    font-size: 0.75rem;
    color: var(--n1-slate-400);
    display: block;
    margin-top: 0.2rem;
}

/* Alert Notification Banner */
.n1-alert-box {
    display: none;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    border-radius: var(--n1-radius-md);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

.n1-alert-box.active {
    display: flex;
}

.n1-alert-box.danger {
    background: var(--n1-danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
}

.n1-alert-box.warning {
    background: var(--n1-warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: var(--n1-gold-light);
}

.n1-alert-box.success {
    background: var(--n1-success-bg);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #86efac;
}

.n1-alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.n1-alert-icon svg {
    width: 20px;
    height: 20px;
}

.n1-alert-content {
    flex: 1;
}

/* Primary Action Checkout Button */
.n1-submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--n1-blue-action) 0%, #0d5bbd 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--n1-radius-pill);
    color: #ffffff;
    font-family: var(--n1-font);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 1.15rem 2rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px var(--n1-blue-glow), var(--n1-shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.n1-submit-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--n1-blue-hover) 0%, #1572e8 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--n1-blue-glow), var(--n1-shadow-md);
}

.n1-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.n1-submit-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.n1-btn-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: n1-spin 0.8s linear infinite;
}

.n1-submit-btn.loading .n1-btn-spinner {
    display: inline-block;
}

.n1-submit-btn.loading .n1-btn-icon {
    display: none;
}

@keyframes n1-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Footer Legal & Security Microcopy */
.n1-form-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--n1-slate-400);
    line-height: 1.6;
}

.n1-footer-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    color: var(--n1-slate-300);
    margin-bottom: 0.65rem;
    font-weight: 500;
}

.n1-footer-security svg {
    width: 14px;
    height: 14px;
    color: var(--n1-gold-light);
}

.n1-legal-links {
    margin-top: 0.35rem;
}

.n1-legal-link {
    color: var(--n1-slate-300);
    text-decoration: underline;
    text-decoration-color: rgba(141, 169, 196, 0.4);
    transition: color 0.15s ease;
}

.n1-legal-link:hover {
    color: var(--n1-slate-50);
}

.n1-signin-prompt {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--n1-navy-border);
    color: var(--n1-slate-400);
    font-size: 0.85rem;
}

.n1-signin-link {
    color: var(--n1-blue-light);
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.35rem;
    transition: color 0.15s ease;
}

.n1-signin-link:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Mobile & Small Device Adjustments */
@media (max-width: 639px) {
    .n1-register-topbar {
        padding: 1rem 1.25rem;
    }
    
    .n1-register-viewport {
        padding: 1.5rem 1rem 3rem 1rem;
    }
    
    .n1-register-hero-card {
        padding: 1.5rem 1.25rem;
    }
    
    .n1-register-form-card {
        padding: 1.75rem 1.25rem;
    }
    
    .n1-order-summary {
        padding: 1.25rem;
    }
    
    .n1-summary-total-block {
        text-align: left;
        width: 100%;
        margin-top: 0.5rem;
        padding-top: 0.5rem;
        border-top: 1px dashed var(--n1-navy-border);
    }
}