/* ================================================
   PWA Install UI
   ================================================ */

/* ===== Install Button in Topbar ===== */

#pwa-install-btn {
    display: none;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--primary-light);
    color: var(--primary);
    border: 1.5px solid var(--primary-mid);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 700;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

#pwa-install-btn:hover {
    background: var(--primary);
    color: white;
}

/* ===== Install Banner ===== */

.pwa-banner {
    position: fixed;
    bottom: -120px;
    right: 0;
    left: 0;
    z-index: 1000;
    padding: var(--space-3) var(--space-4);
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-banner-visible {
    bottom: 0;
}

.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    max-width: 600px;
    margin: 0 auto;
}

.pwa-banner-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.pwa-banner-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pwa-banner-text strong {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.pwa-banner-text span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.pwa-banner-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.pwa-banner-install {
    padding: var(--space-2) var(--space-4);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 700;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pwa-banner-install:hover {
    opacity: 0.9;
}

.pwa-banner-dismiss {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.pwa-banner-dismiss:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

/* ===== Modal Overlay ===== */

.pwa-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.pwa-modal-visible {
    opacity: 1;
}

.pwa-modal-box {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--space-8) var(--space-6);
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.pwa-modal-visible .pwa-modal-box {
    transform: translateY(0);
}

.pwa-modal-icon {
    margin-bottom: var(--space-4);
}

.pwa-modal-icon img {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.pwa-modal-title {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.pwa-modal-message {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

/* ===== Progress Bar ===== */

.pwa-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--surface-2);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: var(--space-3);
}

.pwa-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(
        90deg,
        var(--primary) 0%,
        var(--primary-mid) 100%
    );
    border-radius: 999px;
    transition: width 0.4s ease;
}

/* ===== Guide Steps ===== */

.pwa-guide-steps {
    text-align: right;
    padding-right: var(--space-4);
    margin-bottom: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pwa-guide-steps li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Modal Close Button ===== */

.pwa-modal-close {
    width: 100%;
    padding: var(--space-3);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 700;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pwa-modal-close:hover {
    opacity: 0.9;
}

/* ===== Toast ===== */

.pwa-toast {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.pwa-toast-visible {
    transform: translateX(-50%) translateY(0);
}

.pwa-toast-success {
    border-color: var(--success);
    color: var(--success-dark);
    background: var(--success-light);
}

/* ===== Responsive ===== */

@media (max-width: 480px) {

    .pwa-banner-text span {
        display: none;
    }

    .pwa-modal-box {
        padding: var(--space-6) var(--space-4);
    }
}