:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #6366f1;
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-surface: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    /* Telecom Colors mapped to new theme for backward compatibility */
    --telecom-primary: var(--primary);
    --telecom-secondary: var(--secondary);
    --telecom-dark: var(--bg-body);
    --telecom-light: var(--text-main);
    --telecom-bg-light: var(--bg-body);
    --telecom-bg-dark: var(--bg-body);
    --telecom-warning: #ffc107;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.025em;
}

a { text-decoration: none; color: var(--primary); transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

/* Common Components */
.card, .custom-card, .card-modern {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-main);
    box-shadow: var(--shadow);
}

.main-container {
    background: var(--bg-card);
    border: none; /* Remove border from main container to avoid extra lines */
    border-radius: 20px;
    color: var(--text-main);
    box-shadow: var(--shadow);
    margin: 2rem auto;
    max-width: 1200px;
    overflow: hidden;
}

/* Inputs */
.form-control, .form-select {
    background-color: #0f172a;
    border-color: var(--border-color);
    color: #fff;
}

.form-control:focus, .form-select:focus {
    background-color: #0f172a;
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.input-group-text {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* Modal Styles */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.modal-header { border-bottom-color: var(--border-color); }
.modal-footer { border-top-color: var(--border-color); }
.btn-close { filter: invert(1) grayscale(100%) brightness(200%); }

/* Table Styles */
.table {
    color: var(--text-main);
    --bs-table-color: var(--text-main);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--border-color);
    --bs-table-hover-color: var(--text-main);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
}
.table > :not(caption) > * > * {
    background-color: transparent; 
    border-bottom-color: var(--border-color);
    color: var(--text-main);
}
.table-hover > tbody > tr:hover > * {
    color: var(--text-main);
    background-color: rgba(59, 130, 246, 0.1);
}
.table-header-dark {
    background-color: rgba(0,0,0,0.2) !important;
}

/* Button overrides */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-light {
    border-color: var(--border-color);
    color: var(--text-main);
}
.btn-outline-light:hover {
    background: var(--bg-surface);
    border-color: var(--text-main);
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-muted);
}
.btn-outline-secondary:hover {
    background-color: var(--bg-surface);
    color: #fff;
    border-color: var(--text-main);
}

/* Header Specifics */
.modern-header {
    background: rgba(15, 23, 42, 0.5);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}
.modern-header h1 {
    font-size: 1.5rem;
    color: #fff;
}

/* Footer */
footer {
    background-color: #020617 !important;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted) !important;
}
footer h5 { color: #fff; }
footer a { color: var(--text-muted); }
footer a:hover { color: var(--primary); }

/* Badges */
.badge.bg-secondary {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Text Utilities */
.text-muted { color: var(--text-muted) !important; }
.text-body-secondary { color: var(--text-muted) !important; }

/* Animations */
@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(0.95); box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.7); }
    70% { transform: translate(-50%, -50%) scale(1.0); box-shadow: 0 0 0 20px rgba(25, 135, 84, 0); }
    100% { transform: translate(-50%, -50%) scale(0.95); box-shadow: 0 0 0 0 rgba(25, 135, 84, 0); }
}
@keyframes pulse-error {
    0% { transform: translate(-50%, -50%) scale(0.95); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
    70% { transform: translate(-50%, -50%) scale(1.0); box-shadow: 0 0 0 20px rgba(220, 53, 69, 0); }
    100% { transform: translate(-50%, -50%) scale(0.95); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

@keyframes trashEffect {
    0% { transform: scale(1) translateX(0); opacity: 1; }
    20% { transform: scale(1.05) translateX(0); }
    100% { transform: scale(0) translateY(50px) rotate(20deg); opacity: 0; }
}

.trash-animation {
    animation: trashEffect 0.8s ease-in-out forwards;
    pointer-events: none;
    position: relative;
    z-index: 10;
}

/* Sidebar (Admin) */
.sidebar { 
    min-height: 100vh; 
    background: var(--bg-card); 
    color: var(--text-main); 
    border-right: 1px solid var(--border-color);
}
.sidebar .nav-link { 
    color: var(--text-muted); 
    border-radius: 8px;
    margin-bottom: 4px;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active { 
    color: #fff; 
    background: var(--primary); 
}
.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left-width: 4px;
    color: var(--text-main);
}

/* Alerts Custom */
.alert-danger-dark { background-color: #8b0000; color: #fff; border-color: #8b0000; }
.alert-success-dark { background-color: #0f5132; color: #fff; border-color: #0f5132; }

/* Tabs */
.nav-tabs { border-bottom: 2px solid var(--border-color); }
.nav-tabs .nav-link {
    color: var(--text-muted);
    font-weight: 600;
    border: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    padding: 1rem;
}
.nav-tabs .nav-link:hover {
    color: var(--primary);
    background: rgba(255,255,255,0.05);
}
.nav-tabs .nav-link.active {
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
    background: transparent;
}

/* Payment Card */
.payment-card {
    border: 2px solid transparent;
    transition: all 0.3s;
}
.payment-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}
.payment-card.featured {
    border-color: var(--secondary);
    background: linear-gradient(to bottom, var(--bg-card), var(--bg-body));
}

.mp-badge {
    background: #009ee3;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Support Page Styles */
.hero-support {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 80px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}
.tutorial-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    transition: transform 0.2s;
    height: 100%;
}
.tutorial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.step-number {
    background: var(--primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 10px;
}
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow);
    background: #000;
    border: 1px solid var(--border-color);
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.accordion-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.accordion-button {
    background-color: var(--bg-card);
    color: var(--text-main);
}
.accordion-button:not(.collapsed) {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    box-shadow: none;
}
.accordion-button::after {
    filter: invert(1);
}
.accordion-body {
    background-color: var(--bg-card);
    color: var(--text-main);
}

/* Lixeira specific */
.restore-option {
    border: 2px solid var(--telecom-warning);
    background: rgba(255, 193, 7, 0.15);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-main);
}
.restore-option .form-check-input {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--text-muted);
}
.restore-option .form-check-input:checked {
    border-color: var(--primary);
}
.restore-option .form-check-label {
    font-weight: 600;
    font-size: 1rem;
}
.restore-option .help-text {
    font-size: 0.9rem;
    color: var(--text-main);
}

/* Fix for form-select arrow in dark mode (custom background) */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

/* Override table-primary for dark theme */
.table-primary {
    --bs-table-bg: #34495e;
    --bs-table-border-color: #4a627a;
    color: var(--text-main);
}

/* Button Modern Legacy Support */
.btn-modern {
    border-radius: 50px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0.5rem 1.5rem;
}
.btn-modern.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Utilities */
.backdrop-blur {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Custom Utilities for app.php Refactoring */
.border-start-primary-thick { border-left: 4px solid var(--primary) !important; }
.border-start-success-thick { border-left: 4px solid #198754 !important; }

.btn-success-dark {
    background-color: #14532d;
    border-color: #14532d;
    color: #fff;
}
.btn-success-dark:hover {
    background-color: #0f3d21;
    border-color: #0f3d21;
    color: #fff;
}

/* Admin Login Styles */
.admin-login-body {
    background-color: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.admin-login-card {
    max-width: 400px;
    width: 100%;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.admin-brand-logo {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Admin Panel Specifics */
.stat-card-success { border-left-color: #198754 !important; }
.stat-card-warning { border-left-color: #ffc107 !important; }

/* Dark Mode Overrides for Bootstrap Classes in Admin */
.bg-primary-subtle-dark { background-color: rgba(13, 110, 253, 0.2) !important; color: #fff !important; }
.bg-warning-subtle-dark { background-color: rgba(255, 193, 7, 0.2) !important; color: #fff !important; }
.text-primary-emphasis-dark { color: #6ea8fe !important; }
.text-warning-emphasis-dark { color: #ffda6a !important; }

/* New Utilities for app.php Refactoring */
.text-shadow-warning { text-shadow: 0 0 20px rgba(255, 193, 7, 0.4); }
.h-60px { height: 60px; }
.mw-800 { max-width: 800px; }

/* Signal Status Colors */
.sinal-bom { background-color: rgba(25, 135, 84, 0.2) !important; color: #75b798 !important; }
.sinal-bom-inline { color: #22c55e !important; font-weight: 700; }

.sinal-atencao { background-color: rgba(255, 193, 7, 0.2) !important; color: #ffda6a !important; }
.sinal-atencao-inline { color: #ffc107 !important; font-weight: 700; }

.sinal-ruim { background-color: rgba(220, 53, 69, 0.2) !important; color: #ea868f !important; }
.sinal-ruim-inline { color: #dc3545 !important; font-weight: 700; }

/* CUSTOM OUTLINED INPUTS (User Requested Style) */
.custom-input-group {
    position: relative;
    width: 100%;
    margin-bottom: 0; /* Managed by grid gap usually */
}

.custom-input-field {
    width: 100%;
    padding: 10px 15px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main) !important;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
    height: auto;
}

.custom-input-field::placeholder {
    color: #ffffff;
    opacity: 1;
}

.custom-input-label {
    position: absolute;
    top: -10px;
    left: 12px;
    background-color: var(--bg-card); /* Matches Card Background */
    padding: 0 5px;
    font-size: 13px;
    color: #ffffff;
    pointer-events: none;
    z-index: 10;
    line-height: 1.2;
    white-space: nowrap;
}

/* Seção Informações do Projeto e outras seções - aumentar tamanho dos rótulos */
#info-projeto .custom-input-label,
#config-rede .custom-input-label,
#config-onu .custom-input-label,
#rota-container .custom-input-label {
    font-size: 14px;
    color: #ffffff;
}

/* Seção Informações do Projeto e outras seções - diminuir tamanho do placeholder e deixar meio fosco */
#info-projeto .custom-input-field::placeholder,
#config-rede .custom-input-field::placeholder,
#config-onu .custom-input-field::placeholder,
#rota-container .custom-input-field::placeholder {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    opacity: 1;
}

/* Estilos personalizados para alertas de status */
.alert-custom {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-size: 0.95rem;
    line-height: 1.5;
}

.alert-custom .bi {
    font-size: 1.25rem;
}

.alert-custom.alert-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.alert-custom.alert-info {
    background: linear-gradient(135deg, #17a2b8 0%, #6f42c1 100%);
    color: white;
}

.alert-custom.alert-danger {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    color: white;
}

/* Settings page - igualar altura das caixas com flexbox */
.settings-page .align-items-stretch > .col-lg-6 {
    display: flex;
    flex-direction: column;
}

.settings-page .align-items-stretch > .col-lg-6 .card {
    flex-grow: 1;
    height: 100%;
}

/* Garantir que os cards específicos tenham altura igual */
.settings-page .equal-height-card {
    flex-grow: 1;
    height: 100%;
}

/* Container flex para igualar alturas */
.settings-page .row.align-items-stretch {
    display: flex;
    align-items: stretch;
}

.settings-page .row.align-items-stretch > [class*="col-"] {
    display: flex;
    flex-direction: column;
}

.settings-page .row.align-items-stretch > [class*="col-"] .equal-height-card {
    flex-grow: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.settings-page .row.align-items-stretch > [class*="col-"] .equal-height-card .card-body {
    flex-grow: 1;
}

/* Solução direta para igualar alturas - Bootstrap classes */
.settings-page .col-lg-6.d-flex.flex-column .card.equal-height-card {
    flex: 1 1 auto !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
}

.settings-page .col-lg-6.d-flex.flex-column .card.equal-height-card .card-body {
    flex: 1 1 auto !important;
}

/* Forçar altura igual com !important */
.settings-page .equal-height-card {
    min-height: 450px !important;
}

/* Solução direta para igualar alturas - forçar altura mínima */
.settings-page .equal-height-card {
    min-height: 450px !important;
}

.custom-input-field:focus {
    border-color: var(--primary);
    box-shadow: none;
}

.custom-input-field:focus {
    border-color: var(--primary);
    box-shadow: none;
}

.custom-input-label {
    position: absolute;
    top: -10px;
    left: 12px;
    background-color: var(--bg-card); /* Matches Card Background */
    padding: 0 5px;
    font-size: 12px;
    color: var(--text-muted);
    pointer-events: none;
    z-index: 10;
    line-height: 1.2;
    white-space: nowrap;
}

.custom-input-label i {
    pointer-events: auto;
    cursor: help;
}

.custom-input-field:focus + .custom-input-label {
    color: var(--primary);
}

/* Select specific overrides */
select.custom-input-field {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 30px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23ffffff' d='M2 5h12l-6 7z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px 10px;
}

select.custom-input-field option {
    background-color: var(--bg-card);
    color: var(--text-main);
}

/* RX OLT - Readonly input (no arrow) */
#rxOlt {
    padding-right: 15px; /* Default padding */
    cursor: default;
}

/* Force arrow on Tecnologia and Potencia OLT */
#tecnologia, #potenciaOlt, #classeOnu {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    background-color: transparent !important; /* Ensure background is transparent */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23ffffff' d='M2 5h12l-6 7z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 12px 10px !important;
    padding-right: 30px !important;
}

/* Icon for Splitters - Positioned absolutely */
.select-arrow-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #ffffff;
    font-size: 12px;
    z-index: 5;
}

/* Ensure custom-input-group is positioned relative for absolute positioning */
.custom-input-group {
    position: relative;
    width: 100%;
    margin-bottom: 0; /* Managed by grid gap usually */
}
.custom-input-field:read-only {
    background: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-muted) !important;
}

/* Acoplador da Caixa - Green Style for APC */
select.custom-input-field.input-green {
    background-color: #198754 !important;
    color: #fff !important;
    border-color: #198754 !important;
    font-weight: 600;
}
/* Ensure the arrow stays white on green background and no repeat */
select.custom-input-field.input-green {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23ffffff' d='M2 5h12l-6 7z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 12px 10px !important;
}
/* Adjust label color when input is green */
select.custom-input-field.input-green + .custom-input-label {
    color: #198754 !important;
    font-weight: 600;
}

/* Acoplador da Caixa - Blue Style for UPC */
select.custom-input-field.input-blue {
    background-color: #0d6efd !important;
    color: #fff !important;
    border-color: #0d6efd !important;
    font-weight: 600;
}
/* Ensure the arrow stays white on blue background and no repeat */
select.custom-input-field.input-blue {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23ffffff' d='M2 5h12l-6 7z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 12px 10px !important;
}
/* Adjust label color when input is blue */
select.custom-input-field.input-blue + .custom-input-label {
    color: #0d6efd !important;
    font-weight: 600;
}