/* ERP Control Panel - Estilos vanilla */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-success: #16a34a;
    --color-warning: #ca8a04;
    --color-danger: #dc2626;
    --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;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-gray-50);
    color: var(--color-gray-800);
    line-height: 1.5;
}

/* Navbar */
.navbar {
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}
.logo { font-size: 1.3rem; }
.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
    color: white;
    border-bottom-color: white;
}
.nav-logout {
    background: rgba(255,255,255,0.15);
    padding: 0.4rem 0.8rem !important;
    border-radius: var(--radius);
    border-bottom: none !important;
}
.nav-logout:hover {
    background: rgba(255,255,255,0.25);
}

/* Main */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success { background: var(--color-success); color: white; }
.btn-danger { background: var(--color-danger); color: white; }
.btn-warning { background: var(--color-warning); color: white; }
.btn-sm { padding: 0.35rem 0.6rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Tables */
.table-wrapper { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}
th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
tr:hover { background: var(--color-gray-50); }

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
}
.badge-running { background: #dcfce7; color: #166534; }
.badge-stopped { background: #fee2e2; color: #991b1b; }
.badge-error { background: #fef3c7; color: #92400e; }
.badge-partial { background: #e0e7ff; color: #3730a3; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--color-gray-700);
}
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: white;
    transition: border-color 0.2s;
}
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-info { background: #dbeafe; color: #1e40af; }

/* Login */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a8a 100%);
}
.login-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}
.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}
.login-header .big { font-size: 3rem; display: block; margin-bottom: 0.5rem; }
.login-header h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.login-header p { color: var(--color-gray-500); font-size: 0.9rem; }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.modal {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-body { padding: 1.5rem; }
.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Logs terminal */
.terminal {
    background: var(--color-gray-900);
    color: #e5e7eb;
    padding: 1rem;
    border-radius: var(--radius);
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}
.terminal .line { display: block; }
.terminal .timestamp { color: var(--color-gray-500); }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .nav-links { gap: 1rem; }
    .navbar { padding: 0 1rem; }
}

/* Utility */
.text-right { text-align: right; }
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-2 { margin-top: 1rem; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }