/* =====================================================================
   Ita Energia - Design System
   Paleta: navy profundo (sidebar) + branco/cinza muito claro (conteúdo)
   + âmbar como acento único (remete a energia), usado com moderação.
   ===================================================================== */

:root {
    --color-bg: #F5F6F8;
    --color-surface: #FFFFFF;
    --color-border: #E6E8EE;

    --color-sidebar: #101B2D;
    --color-sidebar-hover: #172642;
    --color-sidebar-active: #1D2F52;
    --color-sidebar-text: #AEB9CE;
    --color-sidebar-text-active: #FFFFFF;

    --color-text: #1B2233;
    --color-text-muted: #6B7280;

    --color-primary: #2F6FED;
    --color-primary-dark: #2558C4;
    --color-accent: #F5A623;

    --color-success: #1E9E6B;
    --color-danger: #E5484D;
    --color-warning: #F5A623;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --shadow-md: 0 8px 24px rgba(16, 24, 40, .08);

    --font-display: 'Manrope', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;

    --sidebar-width: 248px;
    --sidebar-width-collapsed: 76px;
    --topbar-height: 64px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 14.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 .5em;
}

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

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* ---------------------------------------------------------------------
   App shell: sidebar + topbar + conteúdo
   --------------------------------------------------------------------- */

.app-shell {
    display: flex;
    min-height: 100vh;
}

/* Sidebar --------------------------------------------------------------*/

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    transition: width .2s ease;
}

.app-shell.sidebar-collapsed .app-sidebar {
    width: var(--sidebar-width-collapsed);
}

.app-shell.sidebar-collapsed .nav-link span,
.app-shell.sidebar-collapsed .nav-parent-toggle span {
    display: none;
}

.app-shell.sidebar-collapsed .main-area {
    margin-left: var(--sidebar-width-collapsed);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--topbar-height);
    padding: 0 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand img {
    object-fit: contain;
    flex-shrink: 0;
    background: #fff;
    border-radius: 6px;
}

.sidebar-brand img.logo-full {
    height: 48px;
    width: auto;
    max-width: 175px;
    padding: 5px 8px;
}

.sidebar-brand img.logo-icon {
    display: none;
    height: 36px;
    width: auto;
    padding: 4px;
}

.app-shell.sidebar-collapsed .sidebar-brand img.logo-full { display: none; }
.app-shell.sidebar-collapsed .sidebar-brand img.logo-icon { display: block; }

/* Botão de recolher/expandir - flutua na borda da sidebar, sempre no mesmo lugar
   relativo à borda (nunca é empurrado por outro conteúdo, nunca some) */
.sidebar-toggle-btn {
    position: absolute;
    top: 20px;
    right: -13px;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-sidebar);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    z-index: 25;
    padding: 0;
    transition: transform .2s ease, background-color .15s ease;
}
.sidebar-toggle-btn:hover { background: var(--color-bg); }
.sidebar-toggle-btn i { transition: transform .2s ease; font-size: 12px; }
.app-shell.sidebar-collapsed .sidebar-toggle-btn i { transform: rotate(180deg); }

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.nav-section-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(174, 185, 206, .55);
    padding: 8px 12px 6px;
}

.nav-link, .nav-parent-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-sidebar-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    margin-bottom: 2px;
    white-space: nowrap;
}

.nav-link i, .nav-parent-toggle i {
    width: 18px;
    text-align: center;
    font-size: 15px;
    flex-shrink: 0;
}

.nav-link:hover, .nav-parent-toggle:hover {
    background: var(--color-sidebar-hover);
    color: #fff;
}

.nav-link.active {
    background: var(--color-sidebar-active);
    color: #fff;
}

.nav-link.active::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--color-accent);
}

.nav-children {
    list-style: none;
    margin: 0;
    padding: 0 0 0 30px;
    display: none;
}
.nav-parent.expanded .nav-children { display: block; }
.nav-parent.expanded > .nav-parent-toggle i.fa-chevron-down { transform: rotate(180deg); }
.nav-parent-toggle i.fa-chevron-down {
    margin-left: auto;
    font-size: 11px;
    transition: transform .15s ease;
}

.nav-link.hidden, .nav-parent.hidden { display: none; }

/* Topbar ----------------------------------------------------------------*/

.main-area {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    transition: margin-left .2s ease;
}

.app-topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 10;
    gap: 16px;
}

.topbar-toggle {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--color-text-muted);
    cursor: pointer;
    display: none;
}

.topbar-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 17px;
    color: var(--color-text);
}

.topbar-spacer { flex: 1; }

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-chip .avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    font-family: var(--font-display);
}

.user-chip .user-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--color-text);
}

.btn-logout {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 6px;
    border-radius: var(--radius-sm);
}
.btn-logout:hover { background: var(--color-bg); color: var(--color-danger); }

/* Conteúdo ---------------------------------------------------------------*/

#content {
    padding: 28px;
    flex: 1;
}

.panel, .card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.panel-heading, .card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--color-border);
}

.panel-title, .card-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.panel-body, .card-body {
    padding: 22px;
}

/* Botões (sobrepõe o Bootstrap 3 legado com um visual mais leve) --------*/

.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13.5px;
    padding: 9px 18px;
    transition: background-color .15s ease, box-shadow .15s ease;
}

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

.form-control {
    border-radius: var(--radius-sm);
    border: 1px solid #D5D9E2;
    background: #F9FAFC;
    font-size: 14px;
    padding: 9px 12px;
    height: auto;
    box-shadow: none;
    color: var(--color-text);
    transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.form-control:hover {
    border-color: #B9C0CE;
}
.form-control:focus {
    border-color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(47, 111, 237, .12);
}

/* ---------------------------------------------------------------------
   Login (split screen)
   --------------------------------------------------------------------- */

.login-shell {
    min-height: 100vh;
    display: flex;
}

.login-brand-panel {
    flex: 0 0 42%;
    background: radial-gradient(circle at 20% 20%, #1D2F52 0%, var(--color-sidebar) 55%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 64px;
    position: relative;
    overflow: hidden;
}

.login-brand-panel::after {
    content: "";
    position: absolute;
    right: -80px;
    bottom: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 166, 35, .25), transparent 70%);
}

.login-brand-panel img {
    height: 66px;
    width: auto;
    max-width: 390px;
    object-fit: contain;
    background: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    margin-bottom: 32px;
}

.login-brand-panel h1 {
    color: #fff;
    font-size: 28px;
    max-width: 380px;
    line-height: 1.3;
}

.login-brand-panel p {
    color: rgba(255, 255, 255, .7);
    max-width: 360px;
    font-size: 15px;
}

.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--color-surface);
}

.login-form-box {
    width: 100%;
    max-width: 360px;
}

.login-form-box h2 {
    font-size: 22px;
    margin-bottom: 6px;
}

.login-form-box .subtitle {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

.login-form-box label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    display: block;
}

.login-form-box .form-group { margin-bottom: 18px; }

.login-form-box .btn-primary {
    width: 100%;
    padding: 11px;
    font-size: 14.5px;
}

@media (max-width: 900px) {
    .login-brand-panel { display: none; }
}

/* ---------------------------------------------------------------------
   Responsivo - sidebar vira off-canvas em telas pequenas
   --------------------------------------------------------------------- */

@media (max-width: 960px) {
    .app-sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    .app-shell.sidebar-mobile-open .app-sidebar {
        transform: translateX(0);
        box-shadow: var(--shadow-md);
    }
    .main-area, .app-shell.sidebar-collapsed .main-area {
        margin-left: 0;
    }
    .topbar-toggle { display: inline-flex; align-items:center; }
    #content { padding: 18px; }
    .sidebar-toggle-btn { display: none; }
}

/* =====================================================================
   Componentes compartilhados pelas telas (modais, tabelas, tabs, forms)
   Sobrepõe o visual padrão do Bootstrap 3 / DataTables mantendo a mesma
   estrutura HTML e o mesmo JavaScript.
   ===================================================================== */

/* Tabs -------------------------------------------------------------- */

.nav-tabs {
    border-bottom: 1px solid var(--color-border);
}
.nav-tabs > li > a {
    border: none;
    background: none;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 14px;
    padding: 12px 4px;
    margin-right: 28px;
    border-radius: 0;
}
.nav-tabs > li > a:hover {
    background: none;
    border-color: transparent;
    color: var(--color-text);
}
.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover,
.nav-tabs > li.active > a:focus {
    color: var(--color-primary);
    background: none;
    border: none;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: -1px;
}

/* Modais -------------------------------------------------------------- */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(16, 24, 40, .25);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 18px 24px;
}

.modal-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 17px;
    color: var(--color-text);
}

.modal-header .close {
    margin-top: -2px;
    opacity: .4;
}
.modal-header .close:hover { opacity: .8; }

.modal-body {
    padding: 22px 24px;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 16px 24px;
}

.modal-backdrop.in { opacity: .45; }

/* Formulários dentro de modais/telas ---------------------------------- */

.form-horizontal .control-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    padding-top: 8px;
}

/* Bootstrap 3 aplica margin: 0 -15px em .form-horizontal .form-group (resquício do
   grid antigo lado a lado). Sem colunas, isso só faz os campos vazarem até a borda
   do modal - anulamos aqui. */
.form-horizontal .form-group {
    margin-left: 0;
    margin-right: 0;
}

.form-group { margin-bottom: 16px; }

/* Linha com 2 campos lado a lado (usado no modal de Tarifas para deixá-lo mais
   compacto - Ponta/Fora Ponta, Sub Grupo/Modalidade, etc.) */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.form-row .form-group { margin-bottom: 16px; }

.form-section-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-text-muted);
    margin: 4px 0 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}
.form-section-label:first-child {
    border-top: none;
    padding-top: 0;
}

.validation-message .error {
    color: var(--color-danger);
    font-size: 13px;
    font-weight: 500;
}

.btn-default {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
.btn-default:hover {
    background: var(--color-bg);
    border-color: var(--color-border);
    color: var(--color-text);
}

/* Checkboxes da matriz de permissões ---------------------------------- */

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.module { font-weight: 600; font-size: 13.5px; }

/* Tabelas e DataTables -------------------------------------------------- */

.table {
    font-size: 13.5px;
    margin-bottom: 0;
}

.table > thead > tr > th {
    border-bottom: 1px solid var(--color-border);
    border-top: none;
    font-family: var(--font-display);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-text-muted);
    font-weight: 700;
    padding: 10px 14px;
    background: var(--color-bg);
}

.table > tbody > tr > td {
    border-top: 1px solid var(--color-border);
    padding: 12px 14px;
    vertical-align: middle;
    color: var(--color-text);
}

.table-bordered {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.table-bordered > thead > tr > th,
.table-bordered > tbody > tr > td {
    border: none;
    border-bottom: 1px solid var(--color-border);
}
.table-bordered > tbody > tr:last-child > td { border-bottom: none; }

.table-hover > tbody > tr:hover > td {
    background: var(--color-bg);
}

.table td.actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    margin-right: 4px;
}
.table td.actions a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}
.table td.actions a.btn-excluir:hover { color: var(--color-danger); }

div.dataTables_length label,
div.dataTables_filter label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
}

div.dataTables_length select,
div.dataTables_filter input {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 13.5px;
}

div.dataTables_info {
    font-size: 13px;
    color: var(--color-text-muted);
    padding-top: 10px;
}

div.dataTables_paginate {
    padding-top: 6px;
}
div.dataTables_paginate a {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text) !important;
    margin-left: 4px !important;
    padding: 5px 11px !important;
}
div.dataTables_paginate a.paginate_button.current,
div.dataTables_paginate a.paginate_active {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #fff !important;
}
div.dataTables_paginate a.paginate_button.disabled,
div.dataTables_paginate a.paginate_disabled {
    color: var(--color-text-muted) !important;
    opacity: .5;
}

/* =====================================================================
   Resumo de economia (Análise Viabilidade) - destaque do resultado principal
   antes do detalhamento técnico
   ===================================================================== */

.resumo-economia-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
}

@media (max-width: 900px) {
    .resumo-economia-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
}

.resumo-card {
    min-width: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 10px;
    text-align: center;
}

.resumo-card .resumo-ano {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.resumo-card .resumo-percentual {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 800;
    color: var(--color-success);
    line-height: 1.1;
    white-space: nowrap;
}

.resumo-card .resumo-percentual.negativo {
    color: var(--color-danger);
}

.resumo-card .resumo-valor {
    font-size: 11.5px;
    color: var(--color-text-muted);
    margin-top: 6px;
    word-break: break-word;
    line-height: 1.35;
}

/* Modal de viabilidade precisa de mais espaço que o modal-lg padrão (900px):
   tem uma grade de 5 cartões de resumo e tabelas técnicas densas */
@media (min-width: 992px) {
    .modal-orcamento-dialog {
        width: 1040px;
    }
}

#toggle-detalhamento {
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
#toggle-detalhamento:hover { color: var(--color-primary); }
#icon-detalhamento { transition: transform .15s ease; font-size: 11px; }
#icon-detalhamento.aberto { transform: rotate(180deg); }

/* =====================================================================
   Atalhos rápidos na página inicial
   ===================================================================== */

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.quick-link-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.quick-link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.quick-link-card i {
    font-size: 22px;
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(47, 111, 237, .1);
    border-radius: var(--radius-md);
}

.quick-link-card span {
    display: block;
    font-family: var(--font-display);
    font-size: 14.5px;
    color: var(--color-text);
    font-weight: 700;
}

.quick-link-card small {
    display: block;
    font-size: 12.5px;
    color: var(--color-text-muted);
    margin-top: 2px;
}