/* ============================================
   SISTEMA DE DESIGN - PONTO ELETRÔNICO
   ============================================ */

/* ============================================
   VARIÁVEIS CSS (Design Tokens)
   ============================================ */
:root {
    /* Cores Primárias */
    --color-primary: #667eea;
    --color-primary-dark: #5568d3;
    --color-primary-light: #7c8ef5;
    --color-primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Cores Semânticas */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-border: #6ee7b7;
    --color-error: #ef4444;
    --color-error-bg: #fee2e2;
    --color-error-border: #fca5a5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-warning-border: #fcd34d;
    --color-info: #3b82f6;
    --color-info-bg: #dbeafe;
    --color-info-border: #93c5fd;
    
    /* Cores Neutras */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Espaçamento */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    
    /* Bordas */
    --border-radius-sm: 0.375rem;   /* 6px */
    --border-radius-md: 0.5rem;     /* 8px */
    --border-radius-lg: 0.75rem;    /* 12px */
    --border-radius-xl: 1rem;       /* 16px */
    --border-radius-full: 9999px;
    
    --border-width: 1px;
    --border-width-thick: 2px;
    --border-width-thicker: 4px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
}

/* ============================================
   TOGGLE SWITCH (Chave Liga/Desliga)
   ============================================ */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
    margin: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 1px var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background: var(--color-primary-gradient);
    min-height: 100vh;
    padding: var(--spacing-md);
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    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);
    color: var(--color-gray-700);
}

small {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
header {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

header h1 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.user-info > span {
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-100);
    border-radius: var(--border-radius-md);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-base);
}

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

.card h2 {
    color: var(--color-gray-900);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    border-bottom: var(--border-width-thick) solid var(--color-gray-200);
    padding-bottom: var(--spacing-md);
}

.card h3 {
    color: var(--color-gray-800);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.login-card {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-xl);
    max-width: 450px;
    width: 100%;
    margin: var(--spacing-3xl) auto;
    box-shadow: var(--shadow-xl);
    box-sizing: border-box;
    animation: fadeInUp 0.5s ease-out;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

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

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.logo {
    width: 120px;
    height: 120px;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.login-card h1 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-4xl);
}

.login-card h2 {
    text-align: center;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-xl);
}

.login-card p {
    animation: fadeIn 0.6s ease-out 0.2s both;
}

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

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: var(--spacing-md);
    border: var(--border-width-thick) solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-gray-900);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
    background: var(--color-white);
    transition: all var(--transition-base);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover:not(:disabled):not(:focus),
.form-group select:hover:not(:disabled):not(:focus),
.form-group textarea:hover:not(:disabled):not(:focus) {
    border-color: var(--color-gray-400);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-gray-600);
    color: var(--color-white);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-warning:hover:not(:disabled) {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: var(--border-width-thick) solid currentColor;
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
    width: 100%;
    max-width: 300px;
}

.btn-block {
    width: 100%;
}

.btn .icon {
    font-size: 1.25em;
}

/* ============================================
   MENSAGENS E ALERTAS
   ============================================ */
.alert,
.message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-md) 0;
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: var(--border-width-thick) solid;
    animation: slideIn 0.3s ease-out;
}

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

.alert-success,
.message.success {
    background: var(--color-success-bg);
    color: #065f46;
    border-color: var(--color-success-border);
}

.alert-error,
.message.error,
.error-message {
    background: var(--color-error-bg);
    color: #991b1b;
    border-color: var(--color-error-border);
}

.alert-warning,
.message.warning {
    background: var(--color-warning-bg);
    color: #92400e;
    border-color: var(--color-warning-border);
}

.alert-info,
.message.info {
    background: var(--color-info-bg);
    color: #1e40af;
    border-color: var(--color-info-border);
}

.alert-icon {
    font-size: 1.25em;
    flex-shrink: 0;
}

.alert-dismissible {
    position: relative;
    padding-right: var(--spacing-3xl);
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   BADGES E TAGS
   ============================================ */
.badge,
.tipo {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success,
.tipo.in {
    background: var(--color-success-bg);
    color: #065f46;
}

.badge-error,
.tipo.out {
    background: var(--color-error-bg);
    color: #991b1b;
}

.badge-warning {
    background: var(--color-warning-bg);
    color: #92400e;
}

.badge-info {
    background: var(--color-info-bg);
    color: #1e40af;
}

.badge-neutral {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* ============================================
   STATUS CARDS
   ============================================ */
.status-card {
    background: var(--color-gray-50);
    border-left: var(--border-width-thicker) solid var(--color-gray-400);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.status-card.open {
    border-left-color: var(--color-success);
    background: var(--color-success-bg);
}

.status-card.closed {
    border-left-color: var(--color-gray-500);
}

.status-card.warning {
    border-left-color: var(--color-warning);
    background: var(--color-warning-bg);
}

.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: var(--border-radius-full);
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.status-indicator.open {
    background: var(--color-success);
}

.status-indicator.closed {
    background: var(--color-gray-500);
}

.status-indicator.warning {
    background: var(--color-warning);
}

.status-text {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
}

.status-details {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   TABELAS
   ============================================ */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

table th,
table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: var(--border-width) solid var(--color-gray-200);
}

table th {
    background: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 24px;
    transition: background-color var(--transition-fast);
}

table th.sortable:hover {
    background: var(--color-gray-200);
}

table th.sortable::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    opacity: 0.3;
}

table th.sortable.sort-asc::after {
    border-bottom: 6px solid var(--color-gray-600);
    border-top: none;
    opacity: 1;
}

table th.sortable.sort-desc::after {
    border-top: 6px solid var(--color-gray-600);
    border-bottom: none;
    opacity: 1;
}

table tbody tr {
    transition: background var(--transition-fast);
}

table tbody tr:hover {
    background: var(--color-gray-50);
}

table tbody tr:last-child td {
    border-bottom: none;
}

.report-table {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
}

/* ============================================
   MODAIS
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-base);
}

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

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-content {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease-out;
    z-index: var(--z-modal);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: var(--border-width) solid var(--color-gray-200);
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-gray-900);
}

/* ============================================
   LISTAS E ITENS
   ============================================ */
.list-item,
.registro-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.list-item:hover,
.registro-item:hover {
    background: var(--color-gray-100);
    transform: translateX(4px);
}

.list-item-actions,
.registro-item-actions {
    display: flex;
    gap: var(--spacing-sm);
}

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

.data {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

/* ============================================
   SUMÁRIOS E RESUMOS
   ============================================ */
.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.summary-item {
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    border-left: var(--border-width-thicker) solid var(--color-primary);
}

.summary-item strong {
    color: var(--color-gray-900);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-item .value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* ============================================
   PONTO ACTIONS
   ============================================ */
.ponto-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin: var(--spacing-xl) 0;
}

/* ============================================
   CÂMERA E FOTO
   ============================================ */
.camera-container {
    display: none;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.camera-container.active {
    display: block;
}

#video {
    width: 100%;
    max-width: 640px;
    border-radius: var(--border-radius-lg);
    background: var(--color-gray-900);
    box-shadow: var(--shadow-lg);
}

#canvas {
    display: none;
}

.countdown {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: var(--spacing-xl) 0;
    font-family: var(--font-family-mono);
}

.photo-preview {
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow-lg);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-gray-500); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   RESPONSIVIDADE
   ============================================ */

/* Tablets (768px e abaixo) */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    body {
        padding: var(--spacing-sm);
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    header {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    header h1 {
        font-size: var(--font-size-xl);
        margin-bottom: 0;
    }
    
    .user-info {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }
    
    .user-info > span {
        width: 100%;
        text-align: center;
    }
    
    .user-info .btn {
        width: 100%;
        margin: 0;
    }
    
    .card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .card h2 {
        font-size: var(--font-size-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .ponto-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .btn-large {
        max-width: 100%;
    }
    
    .report-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .report-table {
        font-size: var(--font-size-sm);
        overflow-x: auto;
        display: block;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
        display: table;
    }
    
    table th,
    table td {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
        max-width: calc(100% - var(--spacing-md));
    }
    
    .login-card {
        padding: var(--spacing-xl);
        margin: var(--spacing-lg) auto;
        max-width: calc(100% - var(--spacing-md));
        box-sizing: border-box;
    }
    
    .logo {
        width: 100px;
        height: 100px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Tabelas responsivas */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        margin: var(--spacing-md) 0;
    }
    
    .table-wrapper table {
        min-width: 600px;
    }
    
    /* Listas responsivas */
    .list-item,
    .registro-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .list-item-actions,
    .registro-item-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    /* Grids responsivos */
    .admin-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .info-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .summary-section {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

/* Celulares (480px e abaixo) */
@media (max-width: 480px) {
    :root {
        font-size: 13px;
    }
    
    body {
        padding: var(--spacing-xs);
    }
    
    h1 { 
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
    }
    h2 { 
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-sm);
    }
    h3 { 
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    header {
        padding: var(--spacing-sm);
    }
    
    header h1 {
        font-size: var(--font-size-lg);
    }
    
    .card {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .card h2 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .countdown {
        font-size: var(--font-size-3xl);
    }
    
    .login-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-md) auto;
        max-width: calc(100% - var(--spacing-sm));
    }
    
    .logo {
        width: 80px;
        height: 80px;
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: 16px; /* Evita zoom no iOS */
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .summary-section {
        grid-template-columns: 1fr;
        padding: var(--spacing-sm);
    }
    
    .summary-label {
        font-size: 9px;
    }
    
    .summary-value {
        font-size: var(--font-size-xl);
    }
    
    table th,
    table td {
        padding: var(--spacing-xs);
        font-size: 10px;
    }
    
    .modal-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
        max-width: calc(100% - var(--spacing-sm));
    }
    
    .status-card {
        padding: var(--spacing-sm);
    }
    
    .status-text {
        font-size: var(--font-size-base);
    }
    
    .badge,
    .tipo {
        font-size: 10px;
        padding: 2px 8px;
    }
}

/* Tablets em landscape (1024px e abaixo) */
@media (max-width: 1024px) and (min-width: 769px) {
    .admin-container {
        grid-template-columns: 1fr;
    }
    
    .summary-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Melhorias gerais para touch devices */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px; /* Tamanho mínimo recomendado para touch */
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        min-height: 44px;
    }
    
    table th.sortable {
        padding-right: 32px; /* Mais espaço para o ícone de ordenação */
    }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.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;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-full);
    border-top-color: var(--color-white);
    animation: spin 1s ease-in-out infinite;
}

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