/* Mobile First - Base styles for mobile devices */

/* Large Mobile Devices (576px and up) */
@media (min-width: 576px) {
    .header h1 {
        font-size: 3.5em;
    }
    
    .main-button {
        font-size: 1.6em;
        padding: 25px 50px;
    }
    
    .bilau-gif {
        max-width: 350px;
        max-height: 350px;
    }
}

/* Tablets (768px and up) */
@media (min-width: 768px) {
    .main-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        padding: 40px;
    }
    
    .header {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        margin-bottom: 0;
    }
    
    .main-content {
        flex: 1;
        max-width: 600px;
        margin-top: 120px;
    }
    
    .sidebar {
        position: static;
        transform: none;
        margin-left: 40px;
        max-width: 250px;
        margin-top: 120px;
    }
    
    .cards-background {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 12px;
        padding: 15px;
    }
    
    .donor-card {
        padding: 12px;
        font-size: 0.9em;
    }
}

/* Small Desktops (992px and up) */
@media (min-width: 992px) {
    .header h1 {
        font-size: 4em;
    }
    
    .main-button {
        font-size: 1.4em;
        padding: 30px 60px;
    }
    
    .bilau-gif {
        max-width: 400px;
        max-height: 400px;
    }
    
    .sidebar {
        max-width: 300px;
    }
    
    .cards-background {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 18px;
        padding: 25px;
    }
    
    .donor-card {
        padding: 18px;
        font-size: 1em;
    }
    
    .modal-content {
        max-width: 600px;
    }
}

/* Large Desktops (1200px and up) */
@media (min-width: 1200px) {
    .main-container {
        padding: 60px;
    }
    
    .header h1 {
        font-size: 4.5em;
    }
    
    .main-button {
        font-size: 1.6em;
        padding: 35px 70px;
    }
    
    .bilau-gif {
        max-width: 450px;
        max-height: 450px;
    }
    
    .sidebar {
        max-width: 350px;
    }
    
    .cards-background {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 30px;
    }
}

/* Mobile Specific Styles */
@media (max-width: 767px) {
    body {
        padding: 0;
    }
    
    .main-container {
        padding: 15px;
        gap: 20px;
    }
    
    .header h1 {
        font-size: 2.2em;
        margin-bottom: 5px;
    }
    
    .subtitle {
        font-size: 1em;
    }
    
    .main-button {
        font-size: 1.2em;
        padding: 15px 30px;
        width: 100%;
        max-width: 300px;
    }
    
    .bilau-gif {
        max-width: 250px;
        max-height: 250px;
    }
    
    .current-size {
        padding: 15px;
        margin: 0 10px;
    }
    
    .size-value {
        font-size: 2em;
    }
    
    /* Sidebar mobile adjustments */
    .sidebar {
        position: static;
        transform: none;
        width: 100%;
        max-width: none;
        margin: 20px 0;
        border-radius: 15px;
    }
    
    .goals-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
    }
    
    .goal-item {
        flex-direction: column;
        text-align: center;
        padding: 10px;
    }
    
    .goal-preview {
        margin-right: 0;
        margin-bottom: 8px;
        width: 40px;
        height: 40px;
    }
    
    .goal-info h4 {
        font-size: 0.9em;
        margin-bottom: 2px;
    }
    
    .goal-size {
        font-size: 0.8em;
    }
    
    /* Cards background mobile */
    .cards-background {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 8px;
        padding: 10px;
    }
    
    .donor-card {
        padding: 8px;
        font-size: 0.8em;
        border-radius: 10px;
    }
    
    .donor-card .donor-name {
        font-size: 1em;
        margin-bottom: 3px;
    }
    
    .donor-card .donation-text {
        font-size: 0.8em;
    }
    
    /* Modal mobile adjustments */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        border-radius: 15px;
    }
    
    .modal-header {
        padding: 15px;
    }
    
    .modal-header h2 {
        font-size: 1.3em;
    }
    
    .donation-form {
        padding: 20px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .premium-fields {
        padding: 15px;
        margin: 15px 0;
    }
    
    .payment-content,
    .qr-content {
        padding: 20px;
    }
    
    .success-icon {
        font-size: 3em;
        margin-bottom: 15px;
    }
    
    .pix-code {
        flex-direction: column;
        gap: 8px;
    }
    
    .copy-btn {
        width: 100%;
    }
    
    /* Toast mobile */
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .toast {
        max-width: none;
        margin-bottom: 8px;
    }
}

/* Ultra small devices (max-width: 575px) */
@media (max-width: 575px) {
    .header h1 {
        font-size: 1.8em;
        line-height: 1.2;
    }
    
    .main-button {
        font-size: 1em;
        padding: 12px 25px;
    }
    
    .bilau-gif {
        max-width: 200px;
        max-height: 200px;
    }
    
    .size-value {
        font-size: 1.5em;
    }
    
    .goals-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .goal-preview {
        width: 35px;
        height: 35px;
    }
    
    .cards-background {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 6px;
        padding: 8px;
    }
    
    .donor-card {
        padding: 6px;
        font-size: 0.7em;
    }
}

/* Landscape mobile orientation */
@media (max-width: 767px) and (orientation: landscape) {
    .main-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-around;
        padding: 10px;
    }
    
    .header {
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .header h1 {
        font-size: 1.5em;
        margin-bottom: 0;
    }
    
    .subtitle {
        font-size: 0.9em;
    }
    
    .main-content {
        margin-top: 60px;
        gap: 15px;
    }
    
    .bilau-gif {
        max-width: 150px;
        max-height: 150px;
    }
    
    .main-button {
        font-size: 0.9em;
        padding: 10px 20px;
    }
    
    .sidebar {
        margin-top: 60px;
        padding: 10px;
        max-width: 200px;
    }
    
    .goal-item {
        padding: 8px;
    }
    
    .goal-preview {
        width: 30px;
        height: 30px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .bilau-gif {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .cards-background,
    .sidebar,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .main-container {
        padding: 20px;
    }
    
    .bilau-gif {
        max-width: 200px;
        max-height: 200px;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .loading-spinner {
        animation: none;
    }
    
    .donor-card {
        animation: none;
        transform: none !important;
    }
    
    .bilau-wrapper {
        animation: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
        color: white;
    }
    
    .form-group input,
    .form-group textarea {
        background: #34495e;
        border-color: #4a5568;
        color: white;
    }
    
    .form-group input:focus,
    .form-group textarea:focus {
        border-color: #667eea;
        background: #2c3e50;
    }
    
    .form-group label {
        color: #e2e8f0;
    }
    
    .form-note {
        color: #a0aec0;
    }
    
    .qr-code-container {
        background: #2c3e50;
        border-color: #4a5568;
    }
    
    .pix-code input {
        background: #34495e;
        border-color: #4a5568;
        color: white;
    }
    
    .payment-value {
        background: rgba(102, 126, 234, 0.2);
        color: #e2e8f0;
    }
}