/* =============================================================================
   PWA INSTALL PROMPT - Mobile PWA Installation Prompt
   =============================================================================

   Uses semantic tokens from themes.css for automatic theme support.

   USAGE:
   - Always use CSS variables from themes.css
   - Dark theme support is automatic through CSS variables
   - Mobile-first design with responsive breakpoints

   ============================================================================= */

/* ========================================
   PWA INSTALL MODAL
   ======================================== */

.pwa-install-modal {
    z-index: var(--z-modal, 1000);
}

.pwa-install-content {
    max-width: 500px;
    width: 90%;
}

/* ========================================
   MODAL HEADER
   ======================================== */

.pwa-install-modal .modal-header {
    background: var(--modal-header-bg);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.pwa-install-modal .modal-header h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
}

.pwa-install-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: var(--spacing-xs);
    transition: color 0.2s ease;
}

.pwa-install-close:hover {
    color: var(--text-primary);
}

/* ========================================
   MODAL BODY
   ======================================== */

.pwa-install-body {
    padding: var(--spacing-xl);
    color: var(--text-primary);
}

/* Intro Section */
.pwa-install-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pwa-install-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.pwa-install-intro p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Instructions Section */
.pwa-install-instructions {
    background: var(--surface-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.pwa-install-instructions h4 {
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
}

.pwa-install-instructions ol {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.pwa-install-instructions li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    font-size: var(--font-size-md);
}

.pwa-install-instructions li:last-child {
    margin-bottom: 0;
}

.pwa-install-instructions li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Inline SVG Icons */
.pwa-install-instructions li svg {
    display: inline-block;
    vertical-align: middle;
    margin: 0 2px;
    stroke: var(--color-primary);
}

/* Note Text */
.pwa-install-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-warning);
    border-left: 3px solid var(--color-warning);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.5;
}

.pwa-install-note strong {
    font-weight: 600;
}

/* ========================================
   MODAL FOOTER
   ======================================== */

.pwa-install-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--modal-footer-bg);
    border-top: 1px solid var(--border-primary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ========================================
   BUTTONS
   ======================================== */

.pwa-install-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    min-width: 100px;
}

/* Primary Button */
.pwa-install-btn.primary {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
}

.pwa-install-btn.primary:hover {
    background: var(--button-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pwa-install-btn.primary:active {
    transform: translateY(0);
}

/* Secondary Button */
.pwa-install-btn.secondary {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 1px solid var(--border-primary);
}

.pwa-install-btn.secondary:hover {
    background: var(--button-secondary-hover);
    border-color: var(--border-hover);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .pwa-install-content {
        width: 95%;
        max-width: none;
    }

    .pwa-install-body {
        padding: var(--spacing-lg);
    }

    .pwa-install-footer {
        flex-direction: column-reverse;
    }

    .pwa-install-btn {
        width: 100%;
    }

    .pwa-install-icon {
        font-size: 3rem;
    }

    .pwa-install-intro p {
        font-size: var(--font-size-md);
    }

    .pwa-install-instructions {
        padding: var(--spacing-md);
    }

    .pwa-install-instructions li {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .pwa-install-modal .modal-header h3 {
        font-size: var(--font-size-lg);
    }

    .pwa-install-icon {
        font-size: 2.5rem;
    }

    .pwa-install-instructions ol {
        padding-left: var(--spacing-md);
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

.pwa-install-modal.modal-open {
    animation: fadeIn 0.3s ease;
}

.pwa-install-content {
    animation: slideUp 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}