/* ==========================================================================
   Gateway Page — Server connection entry point
   ========================================================================== */

.gateway-wrapper {
    margin-top: var(--nav-height);
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: linear-gradient(
        135deg,
        var(--hero-gradient-start) 0%,
        var(--hero-gradient-mid) 45%,
        var(--hero-gradient-end) 100%
    );
}

/* ---- Central Card ---- */
.gateway-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-md);
}

/* ---- Icon ---- */
.gateway-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--accent-soft);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gateway-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---- Text ---- */
.gateway-card h1 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.gateway-subtext {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    line-height: var(--leading-relaxed);
}

/* ---- Form ---- */
.gateway-form {
    text-align: left;
}

.gateway-form .form-field {
    margin-bottom: var(--space-md);
}

.gateway-form .form-field:last-child {
    margin-bottom: 0;
}

.gateway-form label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.gateway-form input[type="text"],
.gateway-form input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    font-family: var(--font-mono);
    color: var(--text-primary);
    background: var(--bg-white);
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.gateway-form input[type="text"]:focus,
.gateway-form input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.gateway-form input.input-error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}

/* Token input with eye toggle */
.token-input-wrap {
    position: relative;
}

.token-input-wrap input {
    padding-right: 2.75rem;
}

.token-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.35rem;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.token-toggle:hover {
    color: var(--text-secondary);
}

/* ---- Connect Button ---- */
.gateway-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 0.85rem 1.5rem;
    margin-top: var(--space-lg);
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gateway-btn:hover {
    background: var(--accent-hover);
}

.gateway-btn:active {
    transform: scale(0.97);
}

.gateway-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner */
.gateway-btn .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: gateway-spin 0.6s linear infinite;
    display: none;
}

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

.gateway-btn.loading .btn-text {
    display: none;
}

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

/* ---- Status Message ---- */
.gateway-status {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    display: none;
}

.gateway-status.status-error {
    display: block;
    background: rgba(239, 68, 68, 0.08);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.gateway-status.status-success {
    display: block;
    background: rgba(34, 197, 94, 0.08);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* ---- Mixed Content Warning ---- */
.gateway-warning {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-xs);
    color: #b45309;
    display: none;
    text-align: left;
}

/* ---- Hint ---- */
.gateway-hint {
    margin-top: var(--space-lg);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ==========================================================================
   Plan Selection Page
   ========================================================================== */

.plans-container {
    max-width: 640px;
    width: 100%;
    text-align: center;
}

.plans-header {
    margin-bottom: var(--space-xl);
}

.plans-header h1 {
    font-size: var(--text-2xl);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

/* Server info badge */
.plans-server-info {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.server-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    flex-shrink: 0;
}

/* Plan cards grid */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 220px));
    justify-content: center;
    gap: var(--space-md);
    min-height: 120px;
}

.plan-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-md);
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    text-align: center;
    font-family: var(--font-sans);
    box-shadow: var(--shadow-sm);
}

/* Hover/active only on standalone cards (disabled) — flip cards handle hover on wrapper */
.plan-card--disabled:hover {
    border-color: var(--accent-border);
    box-shadow: var(--shadow-md);
}

.plan-card-flip:hover {
    transform: translateY(-2px);
}

.plan-card-flip:active {
    transform: translateY(0);
}

.plan-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.plan-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.plan-card-name {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.plan-card-id {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-family: var(--font-mono);
    word-break: break-all;
}

/* Disabled / coming-soon cards */
.plan-card--disabled {
    position: relative;
    opacity: 0.55;
    cursor: default;
    pointer-events: none;
}

.plan-card--disabled .plan-card-icon {
    background: var(--bg-subtle);
}

.plan-card--disabled .plan-card-icon svg {
    stroke: var(--text-muted);
}

.plan-card-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: 2px 8px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 999px;
}

/* ---- Flip card wrapper ---- */
.plan-card-flip {
    perspective: 600px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.plan-card-inner {
    position: relative;
    transition: transform 0.45s ease;
    transform-style: preserve-3d;
}

.plan-card-flip.flipped .plan-card-inner {
    transform: rotateY(180deg);
}

.plan-card-front,
.plan-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.plan-card-back {
    position: absolute;
    inset: 0;
    transform: rotateY(180deg);
    justify-content: center;
}

.plan-card-back-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.plan-client-option {
    width: 100%;
    padding: 8px 12px;
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.plan-client-option--default {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.plan-recommended-tag {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.25);
    vertical-align: middle;
    margin-left: 2px;
}

.plan-client-option:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.plan-client-option--default:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* Loading state */
.plans-loading {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.spinner-lg {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: gateway-spin 0.7s linear infinite;
}

/* Footer with back link */
.plans-footer {
    margin-top: var(--space-xl);
}

.btn-back {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-fast);
}

.btn-back:hover {
    color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .gateway-wrapper {
        padding: var(--space-md);
    }

    .gateway-card {
        padding: var(--space-xl) var(--space-lg);
    }

    .gateway-card h1,
    .plans-header h1 {
        font-size: var(--text-xl);
    }

    .plans-grid {
        grid-template-columns: 1fr 1fr;
    }
}