:root {
    --app-radius-lg: 1rem;
    --app-card-shadow: 0 20px 45px rgba(15, 23, 42, 0.15);
    --app-text: #212529;
    --app-muted: #6c757d;
    --app-accent: #0d6efd;
    --app-danger: #dc3545;
}

[data-bs-theme='dark'] {
    --bs-body-bg: #0b1220;
    --bs-body-color: #e5e7eb;
    --bs-card-bg: #111827;
    --bs-card-border-color: rgba(148, 163, 184, 0.16);
    --bs-border-color-translucent: rgba(148, 163, 184, 0.16);
    --bs-heading-color: #f8fafc;
    --bs-link-color: #60a5fa;
    --bs-link-hover-color: #93c5fd;
    --app-text: #e5e7eb;
    --app-muted: #94a3b8;
    --app-accent: #60a5fa;
    --app-danger: #f87171;
}

body {
    background: radial-gradient(circle at top, rgba(99, 102, 241, 0.08), transparent 45%), radial-gradient(circle at bottom, rgba(14, 165, 233, 0.05), transparent 55%), var(--bs-body-bg);
    min-height: 100vh;
}

main .container {
    max-width: 1120px;
}

.navbar {
    backdrop-filter: blur(8px);
    position: relative;
    z-index: 1200;
}

.brand-logo {
    height: 38px;
    width: auto;
}

.navbar-actions .btn {
    white-space: nowrap;
}

.section-heading {
    font-size: 1.5rem;
    font-weight: 600;
}

.app-hero .badge {
    letter-spacing: 0.08em;
}

.app-hero .btn {
    box-shadow: 0 12px 30px rgba(13, 110, 253, 0.25);
}

.card.shadow-sm {
    border-radius: var(--app-radius-lg);
    box-shadow: var(--app-card-shadow);
}
.card.shadow-sm .card-header {
    border-radius: var(--app-radius-lg) var(--app-radius-lg) 0 0;
}

.package-card-option {
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-width: 2px !important;
}
.package-card-option:hover,
.package-card-option.active {
    border-color: rgba(13, 110, 253, 0.6) !important;
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.12);
}
.package-card-option .form-check-input {
    border-radius: 50%;
    cursor: pointer;
}
.package-card-option .form-check-input:checked {
    background-color: var(--app-accent);
    border-color: var(--app-accent);
}

.hp {
    display: none !important;
}

.payment-element {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    background: var(--bs-body-bg);
}

.payment-method-badge {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    color: var(--app-text);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.5rem 0.9rem;
    text-transform: none;
}

[data-bs-theme='dark'] .payment-method-badge {
    background: rgba(148, 163, 184, 0.12);
    border-color: rgba(148, 163, 184, 0.35);
    color: var(--app-text);
}

.card-element {
    min-height: 52px;
}

#card-errors {
    min-height: 1.25rem;
    margin-top: 0.75rem;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

.table-responsive {
    border-radius: var(--app-radius-lg);
}

.alert {
    border-radius: 0.75rem;
}

.app-footer {
    background: rgba(15, 23, 42, 0.03);
}

[data-bs-theme='dark'] .navbar.bg-body-tertiary {
    background-color: #102347;
    border-color: rgba(96, 165, 250, 0.35);
    box-shadow: 0 10px 30px rgba(16, 36, 71, 0.35);
}

[data-bs-theme='dark'] .app-footer {
    background: #0b1f3a;
    border-color: rgba(96, 165, 250, 0.35);
}

.device-card dl dt {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.device-card dl dd {
    margin-bottom: 0.5rem;
}

#payment-messages {
    border-radius: 0.75rem;
}

.dropdown-menu {
    border-radius: 0.75rem;
}

.navbar .dropdown-menu {
    z-index: 1100;
}

.dropdown-menu .dropdown-item-text {
    font-size: 0.875rem;
}