/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #ffffff;
    min-height: 100vh;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00ff88;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #00ff88;
    color: #000000;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    color: #cccccc;
}

.logout-btn {
    background: #ff4444;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s ease;
}

.logout-btn:hover {
    background: #cc3333;
}

/* Login page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.login-box {
    background: rgba(0, 0, 0, 0.4);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-title {
    font-size: 32px;
    color: #00ff88;
    margin-bottom: 10px;
    font-weight: bold;
}

.login-subtitle {
    color: #cccccc;
    margin-bottom: 30px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #00ff88;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #00ff88;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
}

.form-control::placeholder {
    color: #888888;
}

.password-toggle {
    position: relative;
}

.password-toggle .toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #888888;
    cursor: pointer;
    font-size: 16px;
}

.btn {
    width: 100%;
    padding: 12px;
    background: #00ff88;
    color: #000000;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn:hover {
    background: #00cc6a;
    transform: translateY(-1px);
}

.btn:disabled {
    background: #666666;
    cursor: not-allowed;
    transform: none;
}

.security-note {
    margin-top: 20px;
    padding: 10px;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 5px;
    font-size: 12px;
    color: #ffc107;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: #00ff88;
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.2);
}

.card-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 15px;
}

.card-title {
    font-size: 18px;
    font-weight: bold;
    color: #00ff88;
}

.card-icon {
    font-size: 24px;
    color: #00ff88;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 5px;
}

.stat-label {
    color: #cccccc;
    font-size: 14px;
}

.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-connected {
    background: #00ff88;
}

.status-disconnected {
    background: #ff4444;
}

.status-unknown {
    background: #ffaa00;
}

/* Tabelas */
.table-container {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table th {
    background: rgba(0, 255, 136, 0.1);
    color: #00ff88;
    font-weight: bold;
}

.table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Botões */
.btn-primary {
    background: #00ff88;
    color: #000000;
}

.btn-secondary {
    background: #6c757d;
    color: #ffffff;
}

.btn-danger {
    background: #ff4444;
    color: #ffffff;
}

.btn-warning {
    background: #ffaa00;
    color: #000000;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 5px;
}

/* Formulários */
.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.form-col {
    flex: 1;
}

.form-col-auto {
    flex: 0 0 auto;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 20px;
    color: #00ff88;
}

.close-btn {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 24px;
    cursor: pointer;
}

/* Alertas */
.alert {
    padding: 12px 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 1px solid;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
    color: #00ff88;
}

.alert-danger {
    background: rgba(255, 68, 68, 0.1);
    border-color: #ff4444;
    color: #ff4444;
}

.alert-warning {
    background: rgba(255, 170, 0, 0.1);
    border-color: #ffaa00;
    color: #ffaa00;
}

.alert-info {
    background: rgba(0, 123, 255, 0.1);
    border-color: #007bff;
    color: #007bff;
}

/* Progress bar */
.progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    height: 20px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    background: #00ff88;
    height: 100%;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 12px;
    font-weight: bold;
}

/* Responsivo */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .nav-menu {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

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

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

    .btn-group {
        flex-direction: column;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #00ff88;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}