/**
 * Contact Form Mobile Optimizations & File Upload Styles
 * 805 Dental Equipment Service & Repairs
 */

/* ======================
   File Upload Field Styles
   ====================== */

.form-group input[type="file"] {
    display: block;
    width: 100%;
    padding: var(--space-3, 0.75rem);
    border: 2px dashed var(--color-primary, #0891b2);
    border-radius: var(--radius-md, 0.375rem);
    background: var(--color-white, #fff);
    font-family: var(--font-sans);
    font-size: var(--text-base, 1rem);
    color: var(--color-ink);
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-group input[type="file"]:hover {
    border-color: var(--color-primary-dark, #0e7490);
    background: #f0f9ff;
}

.form-group input[type="file"]:focus {
    outline: 3px solid var(--color-primary, #0891b2);
    outline-offset: 2px;
    border-color: var(--color-primary, #0891b2);
}

/* File input with files selected */
.form-group input[type="file"]:valid {
    border-color: #10b981;
    background: #f0fdf4;
}

/* Field help text */
.field-help {
    display: block;
    margin-top: var(--space-2, 0.5rem);
    font-size: var(--text-sm, 0.875rem);
    color: var(--color-ink-light, #4a4a4a);
    line-height: 1.5;
}

/* ======================
   Mobile Optimizations
   ====================== */

/* Larger touch targets on mobile */
@media (max-width: 768px) {
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group select,
    .form-group textarea,
    .form-group input[type="file"] {
        font-size: 16px; /* Prevents iOS zoom on focus */
        min-height: 48px; /* WCAG touch target minimum */
        padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    }

    .form-group textarea {
        min-height: 120px;
    }

    /* Larger labels on mobile */
    .form-group label {
        font-size: 1rem;
        font-weight: var(--font-semibold, 600);
        margin-bottom: var(--space-2, 0.5rem);
    }

    /* Single column on mobile */
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    /* Larger buttons on mobile */
    .btn-lg {
        min-height: 56px; /* Larger touch target */
        font-size: 1.125rem;
        padding: var(--space-4, 1rem) var(--space-6, 1.5rem);
        width: 100%;
    }

    /* Checkbox touch area */
    .checkbox-group {
        padding: var(--space-3, 0.75rem) 0;
    }

    .checkbox-group input[type="checkbox"] {
        width: 24px;
        height: 24px;
        cursor: pointer;
    }

    .checkbox-group label {
        font-size: 1rem;
        cursor: pointer;
        padding-left: var(--space-2, 0.5rem);
    }

    /* File upload on mobile */
    .form-group input[type="file"] {
        padding: var(--space-4, 1rem);
        min-height: 56px;
        font-size: 16px;
    }

    .field-help {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    /* Form message visibility */
    .form-message {
        font-size: 1rem;
        padding: var(--space-4, 1rem);
        margin-top: var(--space-4, 1rem);
    }
}

/* Extra small devices (phones in portrait) */
@media (max-width: 480px) {
    .contact-form-section .section-title {
        font-size: 1.75rem;
    }

    .contact-form-section .section-intro {
        font-size: 1rem;
    }

    /* Reduce spacing on very small screens */
    .form-group {
        margin-bottom: var(--space-4, 1rem);
    }

    /* Ensure file input is fully visible */
    .form-group input[type="file"] {
        word-break: break-word;
    }
}

/* ======================
   iOS Specific Fixes
   ====================== */

/* Fix iOS input shadow */
@supports (-webkit-touch-callout: none) {
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group select,
    .form-group textarea,
    .form-group input[type="file"] {
        -webkit-appearance: none;
        appearance: none;
    }
}

/* iOS file input styling */
@supports (-webkit-touch-callout: none) {
    .form-group input[type="file"] {
        line-height: 1.5;
    }
}

/* ======================
   Android Specific Optimizations
   ====================== */

/* Better select styling on Android */
@media (max-width: 768px) {
    .form-group select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        background-size: 12px;
        padding-right: 2.5rem;
    }
}

/* ======================
   Focus States (Accessibility)
   ====================== */

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 3px solid var(--color-primary, #0891b2);
    outline-offset: 2px;
    border-color: var(--color-primary, #0891b2);
}

/* ======================
   Form Validation Styling
   ====================== */

.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
}

.form-group input:valid:not(:placeholder-shown),
.form-group select:valid,
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #10b981;
}

/* ======================
   Loading State (for file uploads)
   ====================== */

.form-group input[type="file"][disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-group input[type="file"]:disabled:after {
    content: " Uploading...";
    color: var(--color-primary);
    font-size: var(--text-sm);
}

/* ======================
   High Contrast Mode
   ====================== */

@media (prefers-contrast: high) {
    .form-group input[type="file"] {
        border: 3px solid black;
    }

    .form-group input[type="file"]:focus {
        outline: 4px solid black;
    }
}

/* ======================
   Reduced Motion
   ====================== */

@media (prefers-reduced-motion: reduce) {
    .form-group input,
    .form-group select,
    .form-group textarea,
    .form-group input[type="file"],
    .btn {
        transition: none;
    }
}

/* ======================
   Print Styles
   ====================== */

@media print {
    .form-group input[type="file"],
    .form-actions {
        display: none;
    }
}