/**
 * File: style.css
 * Location: /assets/css/style.css
 * Purpose: Main stylesheet for NOCSkills Telecommunication Alarms Monitoring System
 * Author: Senior Developer
 * Created: 2025-07-21
 * Dependencies: Bootstrap 5.3, Custom color palette
 */

/* CSS Custom Properties for NOCSkills Color Palette */
:root {
    --primary-green: #28a745;
    --primary-white: #ffffff;
    --primary-dark-blue: #1e3a8a;
    --secondary-green: #20c997;
    --light-green: #d4edda;
    --dark-green: #155724;
    --light-blue: #cce5ff;
    --dark-blue: #0d47a1;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-white);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark-blue);
    font-weight: 600;
}

/* Navigation Styles */
.navbar-brand {
    color: var(--primary-white) !important;
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-dark {
    background-color: var(--primary-dark-blue) !important;
}

.nav-link {
    color: var(--primary-white) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary-green) !important;
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--primary-white);
}

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

.btn-secondary {
    background-color: var(--primary-dark-blue);
    border-color: var(--primary-dark-blue);
    color: var(--primary-white);
}

.btn-secondary:hover {
    background-color: var(--dark-blue);
    border-color: var(--dark-blue);
}

/* Card Styles */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.card-header {
    background-color: var(--light-blue);
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-dark-blue);
    font-weight: 600;
}

/* Form Styles */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.form-label {
    color: var(--primary-dark-blue);
    font-weight: 600;
    margin-bottom: 8px;
}

/* Authentication Pages */
.auth-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark-blue), var(--primary-green));
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    background: var(--primary-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h2 {
    color: var(--primary-dark-blue);
    margin-bottom: 0.5rem;
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Alert Styles */
.alert-success {
    background-color: var(--light-green);
    border-color: var(--primary-green);
    color: var(--dark-green);
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger);
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning);
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--info);
    color: #0c5460;
}

/* Table Styles */
.table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px var(--shadow);
}

.table thead th {
    background-color: var(--primary-dark-blue);
    color: var(--primary-white);
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: rgba(40, 167, 69, 0.1);
}

/* Badge Styles for Alarm Priority */
.badge-critical {
    background-color: var(--danger);
    color: var(--primary-white);
}

.badge-high {
    background-color: var(--warning);
    color: var(--text-dark);
}

.badge-medium {
    background-color: var(--info);
    color: var(--primary-white);
}

.badge-low {
    background-color: var(--text-muted);
    color: var(--primary-white);
}

/* Status Indicators */
.status-captured {
    color: var(--success);
    font-weight: bold;
}

.status-not-captured {
    color: var(--danger);
    font-weight: bold;
}

.status-booked {
    color: var(--primary-dark-blue);
    font-weight: bold;
}

.status-not-booked {
    color: var(--text-muted);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .table {
        font-size: 0.8rem;
    }
}

/* Loading Spinner */
.spinner-border-primary {
    color: var(--primary-green);
}

/* Custom Utilities */
.text-primary-green {
    color: var(--primary-green) !important;
}

.text-primary-dark-blue {
    color: var(--primary-dark-blue) !important;
}

.bg-primary-green {
    background-color: var(--primary-green) !important;
}

.bg-primary-dark-blue {
    background-color: var(--primary-dark-blue) !important;
}

.border-primary-green {
    border-color: var(--primary-green) !important;
}

.border-primary-dark-blue {
    border-color: var(--primary-dark-blue) !important;
}

/* Dashboard Specific Styles */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-dark-blue), var(--primary-green));
    color: var(--primary-white);
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.stats-card {
    background: var(--primary-white);
    border-left: 4px solid var(--primary-green);
    transition: all 0.3s ease;
}

.stats-card:hover {
    border-left-color: var(--primary-dark-blue);
    transform: translateX(5px);
}

/* Modal Styles */
.modal-header {
    background-color: var(--primary-dark-blue);
    color: var(--primary-white);
}

.modal-header .btn-close {
    filter: invert(1);
}

/* Footer */
.footer {
    background-color: var(--primary-dark-blue);
    color: var(--primary-white);
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .table {
        border-collapse: collapse !important;
    }
    
    .table th,
    .table td {
        border: 1px solid black !important;
    }
}