/**
 * UI/UX Improvements - Verly Vidraçaria
 * Melhorias de interface baseadas em testes de usuário
 */

/* ============================================================================
   LOADING STATES & ANIMATIONS
   ============================================================================ */

/* Spinner animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Button loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    pointer-events: none;
}

.toast {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    pointer-events: all;
    border-left: 4px solid;
}

.toast.success {
    border-left-color: #28a745;
}

.toast.error {
    border-left-color: #dc3545;
}

.toast.warning {
    border-left-color: #ffc107;
}

.toast.info {
    border-left-color: #17a2b8;
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast.success .toast-icon {
    color: #28a745;
}

.toast.error .toast-icon {
    color: #dc3545;
}

.toast.warning .toast-icon {
    color: #ffc107;
}

.toast.info .toast-icon {
    color: #17a2b8;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    color: #212529;
}

.toast-message {
    font-size: 13px;
    color: #6c757d;
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 0;
    font-size: 18px;
    line-height: 1;
    transition: color 0.2s;
    margin-left: 8px;
}

.toast-close:hover {
    color: #212529;
}

/* Mobile toast adjustments */
@media (max-width: 576px) {
    .toast-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

/* ============================================================================
   FORM VALIDATION ICONS
   ============================================================================ */

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-control-wrapper {
    position: relative;
}

.form-control.has-icon {
    padding-right: 40px;
}

.form-validation-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.form-control.is-valid ~ .form-validation-icon.success-icon {
    opacity: 1;
    color: #28a745;
}

.form-control.is-invalid ~ .form-validation-icon.error-icon {
    opacity: 1;
    color: #dc3545;
}

/* Enhanced form states */
.form-control {
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: #1abc9c;
    box-shadow: 0 0 0 0.2rem rgba(26, 188, 156, 0.15);
}

.form-control.is-valid {
    border-color: #28a745;
    background-image: none;
}

.form-control.is-valid:focus {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.15);
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

.form-control.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
}

/* ============================================================================
   TOOLTIPS
   ============================================================================ */

.tooltip-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #e9ecef;
    color: #6c757d;
    font-size: 12px;
    font-weight: 600;
    cursor: help;
    margin-left: 6px;
    transition: all 0.2s;
}

.tooltip-trigger:hover {
    background: #1abc9c;
    color: white;
}

.tooltip-content {
    position: absolute;
    background: #2c3e50;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
    max-width: 250px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    pointer-events: none;
    white-space: normal;
}

.tooltip-trigger:hover .tooltip-content,
.tooltip-trigger:focus .tooltip-content {
    opacity: 1;
    visibility: visible;
}

.tooltip-content::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 20px;
    border: 6px solid transparent;
    border-bottom-color: #2c3e50;
}

/* ============================================================================
   SEARCHABLE SELECT (Bairro)
   ============================================================================ */

.searchable-select {
    position: relative;
}

.searchable-select-input {
    width: 100%;
    cursor: pointer;
}

.searchable-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ced4da;
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.searchable-select-dropdown.active {
    display: block;
}

.searchable-select-search {
    position: sticky;
    top: 0;
    background: white;
    padding: 10px;
    border-bottom: 1px solid #e9ecef;
}

.searchable-select-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
}

.searchable-select-search input:focus {
    outline: none;
    border-color: #1abc9c;
}

.searchable-select-options {
    list-style: none;
    margin: 0;
    padding: 0;
}

.searchable-select-option {
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.15s;
    font-size: 14px;
}

.searchable-select-option:hover {
    background-color: #f8f9fa;
}

.searchable-select-option.selected {
    background-color: #e7f9f5;
    color: #1abc9c;
    font-weight: 500;
}

.searchable-select-option.hidden {
    display: none;
}

.searchable-select-no-results {
    padding: 20px;
    text-align: center;
    color: #6c757d;
    font-size: 14px;
}

/* ============================================================================
   IMPROVED ACCESSIBILITY
   ============================================================================ */

/* Better focus indicators */
*:focus-visible {
    outline: 2px solid #1abc9c;
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #1abc9c;
    outline-offset: 2px;
}

/* Hide outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Improved checkbox/radio accessibility */
.checkbox-item {
    position: relative;
    padding: 12px;
    border-radius: 8px;
    transition: background-color 0.2s;
}

.checkbox-item:hover {
    background-color: #f8f9fa;
}

.checkbox-item:focus-within {
    background-color: #e7f9f5;
    outline: 2px solid #1abc9c;
    outline-offset: 2px;
}

.checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-item label {
    cursor: pointer;
    user-select: none;
    margin-left: 8px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================================================
   MOBILE OPTIMIZATIONS
   ============================================================================ */

@media (max-width: 768px) {
    /* Larger touch targets */
    button,
    input,
    select,
    textarea {
        min-height: 44px;
    }

    /* Prevent zoom on iOS */
    input,
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Better spacing */
    .form-group {
        margin-bottom: 1.25rem;
    }

    /* Improved checkbox layout */
    .checkbox-group {
        display: grid;
        gap: 8px;
    }

    .checkbox-item {
        padding: 14px 12px;
    }

    /* Sticky submit button on mobile */
    .form-submit-wrapper {
        position: sticky;
        bottom: 0;
        background: white;
        padding: 16px;
        margin: 0 -16px -16px;
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
        z-index: 10;
    }

    /* Modal-like form on small screens */
    .contact-form {
        border-radius: 20px 20px 0 0;
    }
}

/* ============================================================================
   ENHANCED FORM ALERT (Replace default)
   ============================================================================ */

#formAlert {
    margin-bottom: 20px;
    animation: fadeIn 0.3s ease-out;
}

.form-alert {
    padding: 14px 16px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.form-alert.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-alert.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.form-alert i {
    font-size: 18px;
    margin-top: 1px;
}

/* ============================================================================
   SMOOTH SCROLLING
   ============================================================================ */

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* ============================================================================
   LOADING OVERLAY (Optional - for full page loading)
   ============================================================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #e9ecef;
    border-top-color: #1abc9c;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.cursor-pointer {
    cursor: pointer;
}

.cursor-help {
    cursor: help;
}

.user-select-none {
    user-select: none;
}

.transition-all {
    transition: all 0.2s ease-in-out;
}