/* =========================================================================
   Imperial Palestras - Estilos gerais
   Cor principal: #114388 (azul institucional)
   ========================================================================= */

:root {
    --azul-imperial: #114388;
    --azul-imperial-escuro: #0c3266;
    --azul-imperial-claro: #e8eefa;
    --cinza-fundo: #f4f6f9;
    --cinza-borda: #e2e6ec;
    --cinza-texto: #5b6472;
    --raio-padrao: 12px;
    --raio-pequeno: 8px;
    --sombra-card: 0 2px 10px rgba(17, 67, 136, 0.06);
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--cinza-fundo);
    color: #26303c;
}

a { text-decoration: none; }

/* -------------------------------------------------------------------------
   Botoes / componentes Bootstrap sobrescritos
   ------------------------------------------------------------------------- */

.btn-primary {
    background-color: var(--azul-imperial);
    border-color: var(--azul-imperial);
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--azul-imperial-escuro) !important;
    border-color: var(--azul-imperial-escuro) !important;
}
.btn-outline-primary {
    color: var(--azul-imperial);
    border-color: var(--azul-imperial);
}
.btn-outline-primary:hover {
    background-color: var(--azul-imperial);
    border-color: var(--azul-imperial);
}
.text-primary { color: var(--azul-imperial) !important; }
.link-primary { color: var(--azul-imperial) !important; }

.form-control:focus,
.form-select:focus {
    border-color: var(--azul-imperial);
    box-shadow: 0 0 0 0.2rem rgba(17, 67, 136, 0.15);
}

.nav-tabs .nav-link.active {
    color: var(--azul-imperial);
    border-bottom: 2px solid var(--azul-imperial);
    font-weight: 600;
}

/* Badges de status */
.badge-status-ativo {
    background-color: #1f9d55;
    color: #fff;
}
.badge-status-inativo {
    background-color: #8a94a3;
    color: #fff;
}

.card {
    border: 1px solid var(--cinza-borda);
    border-radius: var(--raio-padrao);
    box-shadow: var(--sombra-card);
}

.table-responsive { border-radius: var(--raio-pequeno); }

.estado-vazio {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--cinza-texto);
}
.estado-vazio i { font-size: 2.5rem; color: #c3cbd6; display: block; margin-bottom: 0.75rem; }

/* =========================================================================
   Layout administrativo
   ========================================================================= */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--azul-imperial) 0%, var(--azul-imperial-escuro) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    transition: transform 0.25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.3rem 1.25rem;
    font-size: 1.05rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.sidebar-brand i { font-size: 1.5rem; }
.sidebar-brand strong { font-weight: 700; }

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 0.6rem;
    gap: 0.2rem;
    flex: 1;
    overflow-y: auto;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--raio-pequeno);
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.94rem;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.sidebar-link i { font-size: 1.1rem; width: 1.4rem; text-align: center; }
.sidebar-link:hover { background-color: rgba(255, 255, 255, 0.1); color: #fff; }
.sidebar-link.active { background-color: rgba(255, 255, 255, 0.16); color: #fff; font-weight: 600; }
.sidebar-link-danger { margin-top: auto; color: #ffd4d4; }
.sidebar-link-danger:hover { background-color: rgba(220, 53, 69, 0.25); color: #fff; }

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1030;
}

.admin-content {
    flex: 1;
    margin-left: 250px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #fff;
    border-bottom: 1px solid var(--cinza-borda);
    padding: 0.85rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--azul-imperial);
}

.topbar-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
    color: #1c2733;
}

.topbar-user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--cinza-borda);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    color: #26303c;
    font-size: 0.9rem;
}
.topbar-user-btn i { font-size: 1.3rem; color: var(--azul-imperial); }

.admin-main {
    padding: 1.75rem;
    flex: 1;
}

/* Cards de indicadores do dashboard */
.card-indicador {
    padding: 1.25rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.card-indicador .icone {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--azul-imperial-claro);
    color: var(--azul-imperial);
    flex-shrink: 0;
}
.card-indicador .valor { font-size: 1.6rem; font-weight: 700; color: #1c2733; line-height: 1; }
.card-indicador .rotulo { color: var(--cinza-texto); font-size: 0.86rem; margin-top: 0.2rem; }

@media (max-width: 991.98px) {
    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.show { transform: translateX(0); }
    .admin-content { margin-left: 0; }
    .topbar-toggle { display: inline-flex; align-items: center; }
    .sidebar-backdrop.show { display: block; }
    .admin-main { padding: 1.1rem; }
}

/* =========================================================================
   Login administrativo
   ========================================================================= */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--azul-imperial) 0%, var(--azul-imperial-escuro) 100%);
    padding: 1.5rem;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 45px rgba(9, 30, 66, 0.35);
    width: 100%;
    max-width: 400px;
    padding: 2.4rem 2.1rem;
}

.login-brand {
    text-align: center;
    margin-bottom: 1.6rem;
}
.login-logo {
    max-width: 220px;
    width: 100%;
    height: auto;
}
.login-brand p {
    color: var(--cinza-texto);
    font-size: 0.88rem;
    margin: 0.6rem 0 0;
}

/* =========================================================================
   Area publica (consulta de certificados)
   ========================================================================= */

.publico-body {
    min-height: 100vh;
    background: linear-gradient(160deg, var(--azul-imperial) 0%, var(--azul-imperial-escuro) 55%, #0a2750 100%);
    display: flex;
    flex-direction: column;
}

.publico-header {
    text-align: center;
    padding: 2.8rem 1.5rem 1.6rem;
    color: #fff;
}
.publico-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 14px;
    padding: 0.9rem 1.4rem;
    box-shadow: 0 10px 25px rgba(6, 20, 45, 0.25);
}
.publico-logo img {
    max-width: 220px;
    width: 100%;
    height: auto;
    display: block;
}
.publico-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.6rem;
}
.publico-header p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 480px;
    margin: 0.4rem auto 0;
    font-size: 0.95rem;
}

.publico-container {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0 1.25rem 3rem;
}

.publico-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 25px 55px rgba(6, 20, 45, 0.35);
    width: 100%;
    max-width: 440px;
    padding: 2.2rem 2rem;
}

.publico-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.8rem;
    padding-bottom: 1.5rem;
}

/* Tela "Meus certificados" */
.certificados-topo {
    background: linear-gradient(135deg, var(--azul-imperial) 0%, var(--azul-imperial-escuro) 100%);
    color: #fff;
    padding: 2.2rem 1.5rem;
}
.certificados-topo h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.15rem; }
.certificados-topo p { color: rgba(255, 255, 255, 0.85); margin: 0; }

.certificado-card {
    border-radius: var(--raio-padrao);
    border: 1px solid var(--cinza-borda);
    box-shadow: var(--sombra-card);
    padding: 1.4rem 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.certificado-card .selo {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--azul-imperial-claro);
    color: var(--azul-imperial);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 0.9rem;
}
.certificado-card h3 { font-size: 1.05rem; font-weight: 700; color: #1c2733; margin-bottom: 0.6rem; }
.certificado-card .info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cinza-texto);
    font-size: 0.88rem;
    margin-bottom: 0.35rem;
}
.certificado-card .info-item i { color: var(--azul-imperial); width: 1.1rem; }
.certificado-card .acao { margin-top: auto; padding-top: 1rem; }

@media (max-width: 575.98px) {
    .publico-card { padding: 1.6rem 1.3rem; }
    .login-card { padding: 1.9rem 1.4rem; }
}