:root {
    /* Suburban Fiber Company brand palette: red on black. */
    --brand-primary: #E11D2A;       /* SFC red — links, active nav, buttons */
    --brand-secondary: #000000;     /* black — navbar background */
    --brand-accent: #FF3D4F;        /* brighter red for hover/active states */
    --text-color: #F0F0F0;          /* off-white */
    --text-muted: #9A9A9A;
    --background-color: #0A0A0A;    /* near-black */
    --card-background: #1A1A1A;
    --border-color: #2A2A2A;
    --error-color: #FF5252;
    --success-color: #66BB6A;
    --warning-color: #FFA726;
    --font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* ── Navbar (2026-05-13 rebuild) ────────────────────────────────────────
   Old layout crammed logo + 8 nav links + email + button on one row inside
   a 1200px container — they collided. New layout: full-width strip with
   logo on the left, nav centered, user-info right, generous gaps. */
.navbar {
    background-color: var(--brand-secondary);
    padding: 10px 24px;
    border-bottom: 1px solid #000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 28px;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.navbar .logo img {
    height: 38px;
    width: auto;
    display: block;
    border-radius: 0;
}

.navbar .logo h1 {
    margin: 0;
    font-size: 0.78em;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.2;
    max-width: 180px;
}

.navbar nav {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.navbar .nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

.navbar .nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92em;
    padding: 6px 2px;
    position: relative;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.navbar .nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-primary);
    transition: width 0.2s ease;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    color: var(--brand-primary);
}

.navbar .nav-links a:hover::after,
.navbar .nav-links a.active::after {
    width: 100%;
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.navbar #user-email {
    font-weight: 500;
    font-size: 0.85em;
    color: var(--text-muted);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar .user-info .btn {
    padding: 6px 14px;
    font-size: 0.85em;
}

/* On narrower screens collapse to two rows: brand+user on top, nav below */
@media (max-width: 1100px) {
    .navbar .container {
        flex-wrap: wrap;
        row-gap: 8px;
    }
    .navbar nav {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
    }
    .navbar .nav-links {
        gap: 14px;
    }
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: #00b0d8; /* Slightly darker primary */
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--card-background);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #3a3a5a; /* Slightly lighter card background */
    transform: translateY(-1px);
}

.btn-accent {
    background-color: var(--brand-accent);
    color: var(--background-color);
}

.btn-accent:hover {
    background-color: #2bbd82; /* Slightly darker accent */
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background-color: #d85757; /* Slightly darker danger */
    transform: translateY(-1px);
}

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

/* Forms */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--brand-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-background);
    color: var(--text-color);
    font-size: 1em;
    box-sizing: border-box; /* Include padding in width */
}

input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.2);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.3);
}

.error-message {
    color: var(--error-color);
    margin-top: 10px;
    font-size: 0.9em;
}

/* Auth Card */
.auth-card {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    text-align: center;
}

.auth-card h2 {
    color: var(--brand-primary);
    margin-bottom: 25px;
}

/* Content Sections */
main {
    flex-grow: 1; /* Allow main content to grow */
    padding-bottom: 40px; /* Space for content below */
}

.content-section {
    display: none; /* Hidden by default, shown by JS */
    padding: 20px 0;
}

.content-section.active {
    display: block;
}

h2 {
    color: var(--brand-primary);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

/* Cards */
.card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.dashboard-card h3 {
    color: var(--brand-accent);
    margin-top: 0;
    font-size: 1.2em;
}

.dashboard-card p {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--brand-primary);
    margin: 10px 0 0;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: var(--card-background);
    border-radius: 8px;
    overflow: hidden; /* Ensures rounded corners apply to children */
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--brand-secondary);
    color: var(--brand-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9em;
}

.data-table tbody tr:hover {
    background-color: #3a3a5a;
}

.data-table td .btn {
    padding: 6px 12px;
    font-size: 0.85em;
    margin-right: 5px;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-bar input,
.filter-bar select {
    flex: 1;
    min-width: 150px;
}

.filter-bar button {
    flex-shrink: 0;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 15px;
}

.pagination span {
    font-weight: 500;
}

/* Detail Sections */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .detail-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.detail-card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.detail-card h3 {
    color: var(--brand-accent);
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.detail-card p {
    margin-bottom: 8px;
}

.detail-card strong {
    color: var(--brand-primary);
}

.detail-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: block;
    margin: 0 auto;
}

.action-buttons {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Modals */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.6); /* Black w/ opacity */
    padding-top: 60px;
}

.modal-content {
    background-color: var(--background-color);
    margin: 5% auto; /* 15% from the top and centered */
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%; /* Could be more responsive */
    max-width: 600px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    position: relative;
}

.modal-content h3 {
    color: var(--brand-primary);
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.close-button {
    color: var(--text-color);
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: var(--brand-primary);
    text-decoration: none;
    cursor: pointer;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* Specific styles for port customer fields */
.customer-fields {
    border-left: 3px solid var(--brand-accent);
    padding-left: 15px;
    margin-left: 5px;
    background-color: rgba(52, 211, 153, 0.1); /* Light accent background */
    border-radius: 4px;
    padding-top: 10px;
    padding-bottom: 5px;
}

/* Admin Only visibility */
.admin-only {
    display: none; /* Hidden by default, shown by JS for admin role */
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .navbar .nav-links {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }

    .navbar .user-info {
        width: 100%;
        justify-content: space-between;
        margin-top: 10px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar input,
    .filter-bar select,
    .filter-bar button {
        width: 100%;
    }

    .data-table th,
    .data-table td {
        padding: 8px 10px;
        font-size: 0.9em;
    }

    .data-table td .btn {
        margin-bottom: 5px;
    }

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

@media (max-width: 480px) {
    .navbar .logo h1 {
        font-size: 1.2em;
    }

    .btn {
        padding: 8px 15px;
        font-size: 0.9em;
    }

    .dashboard-card p {
        font-size: 2em;
    }
}


/* ============================================================
   Phase 2 additions: Reports, Integrations, OLT
   ============================================================ */
.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.report-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, border-color 0.1s ease;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
    border-color: var(--brand-primary);
}

.report-card h3 {
    margin: 0 0 4px 0;
    font-size: 1em;
    color: var(--brand-primary, #DA6138);
}

.report-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875em;
}

.report-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.hint {
    color: #777;
    font-size: 0.85em;
    margin: 4px 0 12px 0;
    font-style: italic;
}

/* OLT pin via Leaflet custom div icon — colour set inline; just ensure the
   transform rotation doesn't get clipped by the default icon container. */
.olt-pin {
    background: transparent !important;
    border: none !important;
}