/* EPI Stock Management System - Professional Styles */
/* Sistema de Gestão de Stock de EPIs - Estilos Profissionais */

:root {
    /* Cores RENCOTEK */
    --primary-color: #FF6600;
    --primary-dark: #E55A00;
    --primary-light: #FF8533;
    
    /* Cores do Sistema */
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    /* Cores Neutras */
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    
    /* Layout */
    --sidebar-width: 280px;
    --topbar-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 14px;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #FF6600 0%, #E55A00 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    max-width: 220px;
    max-height: 70px;
    object-fit: contain;
    margin-bottom: 16px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-header p {
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
}

.login-form input[type="text"],
.login-form input[type="password"],
.login-form input[type="email"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: all 0.3s;
    background: var(--white);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.lang-toggle {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

.footer_login {
    text-align: center;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    line-height: 1.4;
}

.footer_login p {
    margin: 0;
}

/* ============================================
   APP LAYOUT
   ============================================ */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--dark-color) 0%, #0f172a 100%);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.sidebar-header h2 {
    font-size: 20px;
    color: var(--white);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar-logo {
    max-width: 200px;
    max-height: 60px;
    object-fit: contain;
    margin-bottom: 8px;
}

.sidebar-nav {
    padding: 16px 0;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 15px;
    font-weight: 500;
    margin: 2px 12px;
    border-radius: var(--border-radius-sm);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.nav-item i {
    margin-right: 14px;
    width: 22px;
    font-size: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px 24px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Bar */
.top-bar {
    height: var(--topbar-height);
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-color);
    padding: 10px;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s;
}

.sidebar-toggle:hover {
    background: var(--gray-100);
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--gray-50);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.lang-btn i {
    font-size: 16px;
}

/* Notifications */
.notifications-menu {
    position: relative;
}

.notification-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--gray-50);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 18px;
}

.notification-icon:hover {
    background: var(--warning-color);
    color: var(--white);
    border-color: var(--warning-color);
    transform: scale(1.05);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: var(--white);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-name {
    font-weight: 600;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s;
    font-size: 14px;
    color: var(--text-color);
}

.user-name:hover {
    background: var(--gray-100);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    display: none;
    overflow: hidden;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 500;
}

.user-dropdown a:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.user-dropdown a i {
    margin-right: 12px;
    width: 18px;
    text-align: center;
}

/* ============================================
   PAGE CONTENT
   ============================================ */
.page-content {
    flex: 1;
    padding: 32px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 0;
    color: var(--dark-color);
    letter-spacing: -0.5px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.3s;
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: -0.3px;
    position: relative;
    padding-left: 16px;
    margin: 0;
    flex: 1;
}

.card-header h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 2px;
}

.card-body {
    padding: 24px;
}

/* ============================================
   STATISTICS CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    flex-shrink: 0;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon.green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stat-icon.orange {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.stat-icon.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.stat-info h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 4px;
    line-height: 1.2;
}

.stat-info p {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   CHARTS
   ============================================ */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.chart-card h3 {
    margin-bottom: 24px;
    color: var(--dark-color);
    font-size: 18px;
    font-weight: 700;
}

.chart-card canvas {
    max-height: 320px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: all 0.3s;
    background: var(--white);
    color: var(--text-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

select.form-control {
    cursor: pointer;
    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='%23334155' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    appearance: none;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
}

/* Search Bar */
.search-bar {
    margin-bottom: 24px;
}

.search-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
}

.search-form .form-control {
    flex: 1;
}

/* ============================================
   TABLES
   ============================================ */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--white);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.data-table thead {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 700;
    color: var(--dark-color);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-color);
}

.data-table tbody tr {
    transition: all 0.2s;
}

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

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

.data-table tbody tr.danger {
    background: #fef2f2;
}

.data-table tbody tr.danger:hover {
    background: #fee2e2;
}

.data-table tbody tr.warning {
    background: #fffbeb;
}

.data-table tbody tr.warning:hover {
    background: #fef3c7;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-secondary {
    background: var(--gray-100);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: var(--white);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: var(--white);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: var(--white);
}

.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    color: var(--white);
}

.btn-info:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: var(--border-radius-sm);
    min-width: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.data-table .btn-sm {
    margin: 0 4px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
}

.alert i {
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-left-color: var(--danger-color);
}

.alert-success {
    background: #f0fdf4;
    color: #065f46;
    border-left-color: var(--success-color);
}

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

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-left-color: var(--info-color);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: var(--white);
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: var(--white);
}

.badge-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: var(--white);
}

.badge-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    color: var(--white);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s;
}

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

.modal-content {
    background: var(--white);
    margin: 3% auto;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s;
}

.modal-content.wide {
    max-width: 1000px;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 24px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.modal-header h2 {
    margin: 0;
}

.modal-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-color);
}

.close {
    color: var(--text-muted);
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
    transition: all 0.3s;
}

.close:hover {
    color: var(--danger-color);
    transform: scale(1.1);
}

.modal-footer {
    padding: 20px 24px;
    border-top: 2px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: var(--gray-50);
}

.modal-content > div:last-child .form-actions {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-muted {
    color: var(--text-muted);
    font-size: 14px;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
    width: 100%;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .page-content {
        padding: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-content {
        padding: 20px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px 8px;
    }
    
    .top-bar {
        padding: 0 16px;
    }
    
    .top-bar-right {
        gap: 8px;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}