/* 
   AISoftware - CSS Responsivo 
   Mobile-First Design + Cross-Browser Support
   Otimizado para: iOS, Android, Chrome, Firefox, Safari, Edge, Opera
*/

/* =============================================
   VARIÁVEIS CSS (Custom Properties)
   ============================================= */
:root {
    /* Cores */
    --color-primary: #4f46e5;
    --color-primary-dark: #2563eb;
    --color-primary-light: #eef2ff;
    --color-success: #22c55e;
    --color-info: #4f46e5;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-light: #f8f9fa;
    --color-dark: #1f2937;
    --color-white: #ffffff;
    --color-gray: #6b7280;
    --color-gray-light: #e5e7eb;
    --color-gray-lighter: #f3f4f6;
    
    /* Espaçamento */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    --font-size-4xl: 32px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --rounded-sm: 4px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-smooth: 300ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-tooltip: 300;
}

/* =============================================
   RESET & BASE STYLES
   ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* =============================================
   CONTAINER & LAYOUT
   ============================================= */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    max-width: 1280px;
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 960px;
}

.container-lg {
    max-width: 1280px;
}

/* =============================================
   TIPOGRAFIA
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-smooth);
}

a:hover {
    color: var(--color-primary-dark);
}

/* =============================================
   FORMULÁRIOS - MOBILE FIRST
   ============================================= */
input,
textarea,
select,
button {
    font-family: inherit;
    font-size: var(--font-size-base);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input,
textarea,
select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--rounded-md);
    background-color: var(--color-white);
    color: var(--color-dark);
    transition: all var(--transition-smooth);
    min-height: 44px; /* Touch-friendly */
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-dark);
}

.form-group.error input {
    border-color: var(--color-danger);
}

.error-message {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    display: block;
}

/* =============================================
   TOGGLES / SWITCHES - PADRAO GLOBAL
   Use .ui-switch para opcoes booleanas (liga/desliga).
   Nao usar para selecao multipla ou "select all".
   ============================================= */
.ui-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f8fafc;
    border: 1px solid var(--color-gray-light);
    border-radius: 10px;
    padding: 12px 14px;
    min-height: 48px;
}

.ui-switch input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 42px !important;
    min-width: 42px !important;
    max-width: 42px !important;
    height: 24px !important;
    border-radius: 999px;
    background: #334155;
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
    flex: 0 0 auto;
    margin: 0;
    min-height: auto;
    padding: 0;
    border: none;
    display: inline-block;
}

.ui-switch input[type="checkbox"]::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-white);
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.ui-switch input[type="checkbox"]:checked {
    background: var(--color-success);
}

.ui-switch input[type="checkbox"]:checked::after {
    transform: translateX(18px);
}

.ui-switch label,
.ui-switch span {
    margin: 0;
    display: inline;
    flex: 1 1 auto;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
}

/* =============================================
   BOTÕES - MOBILE FIRST
   ============================================= */
button,
a.btn,
input[type="submit"],
input[type="button"],
input[type="reset"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 44px; /* Touch-friendly */
    min-width: 44px;
    border: none;
    border-radius: var(--rounded-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    user-select: none;
    -webkit-user-select: none;
}

button:hover,
a.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

button:active,
a.btn:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: var(--color-gray-lighter);
    color: var(--color-dark);
}

.btn-secondary:hover {
    background-color: var(--color-gray-light);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
}

.btn-warning {
    background-color: var(--color-warning);
    color: var(--color-white);
}

.btn-block {
    width: 100%;
}

.btn-sm,
.btn-small {
    padding: 8px 16px !important;
    min-height: 36px !important;
    font-size: 13px !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    min-height: 52px;
    font-size: var(--font-size-lg);
}

/* =============================================
   HEADER/NAVBAR - RESPONSIVO
   ============================================= */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.header-logo img {
    height: 40px;
    width: auto;
    max-width: 100%;
}

.header-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    flex: 1;
    min-width: 150px;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 1;
}

.header-nav a,
.header-nav button {
    color: var(--color-white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--rounded-md);
    transition: all var(--transition-smooth);
    font-size: var(--font-size-sm);
}

.header-nav a:hover,
.header-nav button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* =============================================
   CARDS & BOXES
   ============================================= */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
}

.card-body {
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* =============================================
   GRID & FLEXBOX UTILITIES
   ============================================= */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

/* =============================================
   ALERTAS E MENSAGENS
   ============================================= */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    border-left: 4px solid;
}

.alert-info {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-left-color: var(--color-primary);
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border-left-color: var(--color-success);
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left-color: var(--color-warning);
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: #991b1b;
    border-left-color: var(--color-danger);
}

/* =============================================
   TABELAS RESPONSIVAS
   ============================================= */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

thead {
    background-color: var(--color-gray-lighter);
}

th,
td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-light);
}

th {
    font-weight: 600;
    color: var(--color-dark);
}

tbody tr:hover {
    background-color: var(--color-gray-lighter);
}

/* =============================================
   MODAL/OVERLAY
   ============================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--rounded-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* =============================================
   SPINNER/LOADER
   ============================================= */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-gray-light);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =============================================
   MEDIA QUERIES - TABLET (480px+)
   ============================================= */
@media (min-width: 480px) {
    :root {
        font-size: 16px;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header {
        padding: var(--spacing-lg);
    }
    
    .header-title {
        font-size: var(--font-size-2xl);
    }
}

/* =============================================
   MEDIA QUERIES - TABLET PEQUENO (600px+)
   ============================================= */
@media (min-width: 600px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    h1 {
        font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =============================================
   MEDIA QUERIES - TABLET GRANDE (768px+)
   ============================================= */
@media (min-width: 768px) {
    .header {
        flex-wrap: nowrap;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .header-nav {
        flex: 0 1 auto;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .form-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        align-items: start;
    }
    
    .form-group.full {
        grid-column: 1 / -1;
    }
}

/* =============================================
   MEDIA QUERIES - DESKTOP (1024px+)
   ============================================= */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* =============================================
   MEDIA QUERIES - DESKTOP GRANDE (1440px+)
   ============================================= */
@media (min-width: 1440px) {
    :root {
        font-size: 18px;
    }
    
    .container {
        max-width: 1440px;
    }
}

/* =============================================
   ACESSIBILIDADE
   ============================================= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-color-scheme: dark) {
    /* Dark mode support - opcional */
    body {
        background-color: #1f2937;
        color: #f3f4f6;
    }
    
    input,
    textarea,
    select {
        background-color: #374151;
        color: #f3f4f6;
        border-color: #4b5563;
    }
}

/* =============================================
   PRINT STYLES
   ============================================= */
@media print {
    body {
        background: white;
    }
    
    .no-print,
    .header,
    button,
    a.btn {
        display: none !important;
    }
    
    a {
        text-decoration: underline;
    }
}

/* =============================================
   WEBKIT (Safari, Chrome, Edge) - Específicos
   ============================================= */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari specific styles */
    input,
    textarea,
    select {
        font-size: 16px; /* Previne zoom descontrolado no iOS */
    }
    
    body {
        -webkit-user-select: none;
        -webkit-touch-callout: none;
    }
}

/* =============================================
   FIREFOX - Específicos
   ============================================= */
@-moz-document url-prefix() {
    input::-moz-focus-inner {
        border: 0;
        padding: 0;
    }
}

/* =============================================
   UTILITÁRIOS
   ============================================= */
.hidden {
    display: none !important;
}

.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;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--color-gray);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.px-md {
    padding: 0 var(--spacing-md);
}

.py-md {
    padding: var(--spacing-md) 0;
}

.w-full {
    width: 100%;
}

.max-w-sm {
    max-width: 640px;
}

.max-w-md {
    max-width: 960px;
}

.max-w-lg {
    max-width: 1280px;
}

/* =============================================
   PADRONIZAÇÃO VISUAL GLOBAL (2026-03)
   ============================================= */
.header {
    background: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%) !important;
    color: #ffffff !important;
}

.footer {
    background: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%) !important;
    color: #ffffff !important;
    font-size: 12px !important;
    font-weight: 500 !important;
}

.footer-copyright {
    color: #ffffff !important;
    font-size: 12px !important;
}

input[type="text"],
input[type="search"],
input[type="password"],
input[type="email"],
input[type="number"],
textarea,
select {
    background: #ffffff !important;
    color: #1f2937 !important;
}

input::placeholder,
textarea::placeholder {
    color: #6b7280 !important;
    opacity: 1;
}