/* ==============================
   CLEAN MINIMAL 2025 - RESPONSIVO
============================== */
:root {
    --primary: #2563eb;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

/* BODY PADRÃO */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
}

/* ==============================
   HEADER / MENU
============================== */
header.topo {
    background: #ffffff;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border);
}

.topo-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    white-space: nowrap;
}

.menu {
    flex: 1;
    margin-left: 32px;
}

.menu-principal {
    display: flex;
    gap: 32px;
    margin: 0;
    list-style: none;
    flex-wrap: wrap;
}

/* links do menu principal */
.menu-principal > li > a,
.menu-principal > li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 500;
    color: var(--gray-800);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

/* hover leve */
.menu-principal > li:hover,
.menu-principal > li > a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* dropdown */
.menu-principal li.dropdown {
    position: relative;
}

/* submenu escondido por padrão */
.submenu {
    display: none;
    position: absolute;
    top: 110%;
    left: 0;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    min-width: 170px;
    border: 1px solid var(--border);
    z-index: 20;
    list-style: none;
}

/* mostra submenu quando li tem .open (JS) */
.menu-principal li.dropdown.open .submenu {
    display: block;
}

/* links do submenu */
.submenu li a {
    display: block;
    padding: 8px 14px;
    font-size: 14px;
    color: var(--gray-800);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.submenu li a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* remove bolinhas */
.menu-principal,
.menu-principal li,
.submenu,
.submenu li {
    list-style: none;
}

/* topo direita */
.topo-direita {
    display: flex;
    align-items: center;
    gap: 16px;
}

.usuario-logado {
    font-weight: 500;
    color: var(--gray-800);
    white-space: nowrap;
}

.logout-form {
    margin: 0;
}

.logout {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.logout:hover {
    background: #1d4ed8;
}

/* ==============================
   DASHBOARD CARDS
============================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.dashboard-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: var(--gray-900);
    transition: all 0.3s ease;
    text-align: center;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.dashboard-card .card-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.dashboard-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.dashboard-card p {
    font-size: 14px;
    color: var(--gray-800);
}

/* ==============================
   CONTAINERS / CARDS GERAIS
============================== */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.page-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 8px 0;
}

.page-header p {
    color: var(--gray-800);
    font-size: 16px;
    margin: 0;
}

/* container genérico usado em várias páginas */
.container {
    max-width: 1000px;
    margin: 40px auto;
    background: #ffffff;
    border-radius: 12px;
    padding: 28px 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.container > h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
}

/* link Voltar padrão */
a.voltar {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--gray-800);
    font-size: 14px;
}

a.voltar:hover {
    background: var(--gray-100);
}

/* ==============================
   FORMULÁRIOS GERAIS
============================== */
.form-modern {
    display: grid;
    gap: 24px;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label,
.container label {
    font-weight: 500;
    color: var(--gray-900);
    font-size: 14px;
}

/* inputs padrão */
.form-group input,
.form-group select,
.form-group textarea,
.container input[type="text"],
.container input[type="number"],
.container input[type="email"],
.container input[type="password"],
.container input[type="date"],
.container input[type="file"],
.container select,
.container textarea {
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.2s ease;
    width: 100%;
}

.container textarea {
    min-height: 100px;
    resize: vertical;
}

/* foco */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.container input:focus,
.container select:focus,
.container textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* linha com 2 colunas */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* botões padrão */
.btn-modern,
.container button[type="submit"] {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
    width: 100%;
}

.btn-modern:hover,
.container button[type="submit"]:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secundario,
.btn-voltar {
    background: var(--gray-800);
    color: #ffffff;
}

/* botão adicionar peça */
button.add {
    margin-top: 10px;
    border: none;
    background: #e5f0ff;
    color: #1d4ed8;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    width: auto;
}

button.add:hover {
    background: #dbeafe;
}

/* linha de peça */
.linha-peca {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 8px;
    margin-top: 8px;
}

.linha-peca button {
    border: none;
    background: #fee2e2;
    color: #b91c1c;
    border-radius: 6px;
    padding: 0 10px;
    font-size: 13px;
    cursor: pointer;
}

.linha-peca button:hover {
    background: #fecaca;
}

/* ==============================
   ACCORDION (SEÇÕES DOS RELATÓRIOS)
============================== */
.accordion {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.accordion-header {
    background: var(--gray-100);
    padding: 14px 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--gray-900);
    transition: background 0.2s ease;
    user-select: none;
}

.accordion-header:hover {
    background: #e5e7eb;
}

.accordion-header.active {
    background: var(--primary);
    color: #ffffff;
}

.accordion-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #ffffff;
}

.accordion-content.active {
    max-height: 2000px;
    padding: 16px;
    border-top: 1px solid var(--border);
}

/* ==============================
   LOGIN
============================== */
body.login-page {
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    padding: 32px 28px;
}

.login-card h1 {
    font-size: 24px;
    margin-bottom: 4px;
}

.login-card p {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 24px;
}

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

.login-card label {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
}

.login-card input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 14px;
}

.login-card input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.login-card button {
    width: 100%;
    margin-top: 8px;
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 10px 0;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.login-card button:hover {
    background: #1d4ed8;
}

/* ==============================
   INDEX - CARD CENTRAL
============================== */
.index-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 24px;
    max-width: 900px;
    margin: 32px auto;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 10px rgba(15,23,42,0.04);
    transition: all 0.25s ease;
}

.index-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(15,23,42,0.10);
    border-color: #c4c9d4;
}

/* ==============================
   TABELAS (USUÁRIOS / TÉCNICOS)
============================== */
.tabela-usuarios,
.tabela-tecnicos,
.tabela-clientes,
.tabela-relatorios {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
}

.tabela-usuarios thead,
.tabela-tecnicos thead,
.tabela-clientes thead,
.tabela-relatorios thead {
    background: var(--gray-100);
}

.tabela-usuarios th,
.tabela-usuarios td,
.tabela-tecnicos th,
.tabela-tecnicos td,
.tabela-clientes th,
.tabela-clientes td,
.tabela-relatorios th,
.tabela-relatorios td {
    padding: 12px 14px;
    font-size: 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.tabela-usuarios th,
.tabela-tecnicos th,
.tabela-clientes th,
.tabela-relatorios th {
    font-weight: 600;
    color: var(--gray-800);
}

.tabela-usuarios tbody tr:hover,
.tabela-tecnicos tbody tr:hover,
.tabela-clientes tbody tr:hover,
.tabela-relatorios tbody tr:hover {
    background: var(--gray-50);
}

.btn-editar,
.btn-visualizar,
.btn-atribuir {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    background: #10b981;
    color: #ffffff;
    border: none;
    transition: background 0.2s ease, transform 0.1s ease;
    margin-right: 4px;
    white-space: nowrap;
}

.btn-editar:hover,
.btn-visualizar:hover,
.btn-atribuir:hover {
    background: #059669;
    transform: translateY(-1px);
}

.btn-visualizar {
    background: #3b82f6;
}

.btn-visualizar:hover {
    background: #2563eb;
}

.btn-atribuir {
    background: #f59e0b;
}

.btn-atribuir:hover {
    background: #d97706;
}

/* ==============================
   SOLICITAÇÕES - CARDS
============================== */
.card {
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid var(--border);
    padding: 16px 18px;
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(15,23,42,0.04);
}

.card h3 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--gray-900);
}

.card > p {
    font-size: 14px;
    color: #4b5563;
    margin: 0 0 8px 0;
}

/* Justificativa e peças um embaixo do outro, com tab */
.justificativa,
.pecas {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed #e5e7eb;
    margin-left: 16px;
}

.justificativa strong,
.pecas strong {
    font-size: 14px;
    color: #111827;
}

.justificativa p {
    margin-top: 4px;
    font-size: 14px;
    color: #374151;
}

.pecas ul {
    margin: 6px 0 0 18px;
    padding: 0;
}

.pecas li {
    font-size: 14px;
    color: #374151;
}

/* ==============================
   ESPECÍFICOS: CRIAR / TÉCNICO / USUÁRIO
============================== */

/* criar solicitação */
.container.criar-solicitacao {
    max-width: 800px;
}

.container.criar-solicitacao form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.container.criar-solicitacao label {
    margin-top: 8px;
}

.container.criar-solicitacao #pecas {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.container.criar-solicitacao .linha-peca {
    grid-template-columns: 2fr 1fr auto;
}

.container.criar-solicitacao .acoes-form {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.container.criar-solicitacao .acoes-form button[type="submit"] {
    width: auto;
    padding-inline: 20px;
}

.container.criar-solicitacao .acoes-form .voltar {
    margin-top: 0;
}

/* cadastro técnico */
.container.cad-tecnico {
    max-width: 500px;
}

.container.cad-tecnico form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.container.cad-tecnico label {
    margin-top: 6px;
}

/* cadastro usuário */
.container.cad-usuario {
    max-width: 500px;
}

.container.cad-usuario form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.container.cad-usuario label {
    margin-top: 6px;
}

/* ==============================
   CADASTRAR USUÁRIO - ALERTAS
============================== */
.error,
.success {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 14px;
}

.error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.success {
    background: #ecfdf3;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* Badge de sistema */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.carretel {
    background: #dbeafe;
    color: #1e40af;
}

.badge.pivo {
    background: #d1fae5;
    color: #065f46;
}

.badge.gotejador {
    background: #fef3c7;
    color: #92400e;
}

.badge.aspersores {
    background: #f3e8ff;
    color: #6b21a8;
}

/* ==============================
   RESPONSIVO GERAL
============================== */

/* tablets / telas médias */
@media (max-width: 768px) {
    .page-card {
        padding: 24px 20px;
        margin: 8px;
    }

    .page-container {
        padding: 20px 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .tabela-usuarios,
    .tabela-tecnicos,
    .tabela-clientes,
    .tabela-relatorios {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .container {
        margin: 20px 10px;
        padding: 20px 16px;
    }

    .topo-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .menu {
        margin-left: 0;
        width: 100%;
    }

    .menu-principal {
        flex-wrap: wrap;
        row-gap: 8px;
        column-gap: 16px;
    }

    .menu-principal > li > a,
    .menu-principal > li {
        font-size: 13px;
        padding: 6px 10px;
    }

    .topo-direita {
        width: 100%;
        justify-content: space-between;
    }

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

/* celulares / telas pequenas */
@media (max-width: 640px) {
    .login-card,
    .container.cad-usuario,
    .container.cad-tecnico,
    .container.criar-solicitacao {
        margin: 20px 10px;
        padding: 20px 16px;
        max-width: 100%;
    }

    .justificativa,
    .pecas {
        margin-left: 10px;
    }

    .container.criar-solicitacao .acoes-form {
        flex-direction: column;
        align-items: stretch;
    }

    .container.criar-solicitacao .acoes-form button[type="submit"],
    .container.criar-solicitacao .acoes-form .voltar {
        width: 100%;
        text-align: center;
    }

    .linha-peca {
        grid-template-columns: 1fr;
    }

    .linha-peca input,
    .linha-peca button {
        width: 100%;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .logo {
        font-size: 18px;
    }

    .usuario-logado {
        font-size: 13px;
    }

    .logout {
        padding: 6px 12px;
        font-size: 13px;
    }

    .accordion-content.active {
        padding: 12px;
    }

    .btn-editar,
    .btn-visualizar,
    .btn-atribuir {
        padding: 4px 8px;
        font-size: 12px;
        margin-bottom: 4px;
    }
}

/* celulares muito pequenos */
@media (max-width: 480px) {
    header.topo {
        padding: 12px 16px;
    }

    .menu-principal {
        gap: 8px;
    }

    .menu-principal > li {
        font-size: 12px;
    }

    .submenu {
        min-width: 140px;
        font-size: 13px;
    }

    .container > h2 {
        font-size: 18px;
    }

    .dashboard-card {
        padding: 16px;
    }

    .dashboard-card .card-icon {
        font-size: 36px;
    }

    .dashboard-card h3 {
        font-size: 16px;
    }
}