* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;
    color: #1f2937;
}

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

.sidebar {
    width: 240px;
    background: #111827;
    color: #fff;
    padding: 24px 18px;
}

.sidebar h1 {
    margin: 0 0 28px;
    font-size: 22px;
}

.sidebar a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    padding: 11px 12px;
    border-radius: 6px;
    margin-bottom: 6px;
}

.sidebar a:hover,
.sidebar a.active {
    background: #1f2937;
    color: #fff;
}

.sidebar .logout {
    margin-top: 30px;
}

.main {
    flex: 1;
    padding: 32px;
}

.header {
    margin-bottom: 28px;
}

.header h2 {
    margin: 0 0 8px;
    font-size: 28px;
}

.header p {
    margin: 0;
    color: #6b7280;
}

.cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 18px;
}

.card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

.card .label {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 8px;
}

.card .value {
    font-size: 32px;
    font-weight: 700;
}

@media (max-width: 900px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 650px) {
    .layout {
        display: block;
    }

    .sidebar {
        width: 100%;
    }

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


/* ===== LOGIN ===== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #f4f6f9;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.login-box h1 {
    margin: 0 0 8px;
    font-size: 24px;
    text-align: center;
    color: #111827;
}

.login-subtitle {
    margin: 0 0 28px;
    text-align: center;
    color: #6b7280;
    font-size: 14px;
}

.login-field {
    margin-bottom: 18px;
}

.login-field label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.login-field input {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1px solid #d1d5db;
    border-radius: 7px;
    background: #ffffff;
    font-size: 15px;
    outline: none;
}

.login-field input:focus {
    border-color: #6b7280;
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.12);
}

.login-button {
    width: 100%;
    height: 44px;
    border: 0;
    border-radius: 7px;
    background: #111827;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.login-button:hover {
    background: #1f2937;
}


/* ===== PAINEIS / FORMULARIOS / TABELAS ===== */

.panel {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 22px;
    margin-bottom: 22px;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

.panel h3 {
    margin: 0 0 18px;
    font-size: 18px;
    color: #111827;
}

.form-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
    gap: 16px;
    align-items: end;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.form-group input {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid #d1d5db;
    border-radius: 7px;
    background: #ffffff;
    font-size: 14px;
    outline: none;
}

.form-group input:focus {
    border-color: #6b7280;
    box-shadow: 0 0 0 3px rgba(107,114,128,.12);
}

.form-actions {
    display: flex;
    align-items: end;
}

.btn {
    height: 42px;
    padding: 0 16px;
    border: 0;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: #111827;
    color: #ffffff;
}

.btn-primary:hover {
    background: #1f2937;
}

.message {
    min-height: 20px;
    margin-top: 14px;
    font-size: 14px;
    color: #374151;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    font-size: 13px;
    color: #6b7280;
    font-weight: 600;
    background: #f9fafb;
}

.data-table td {
    font-size: 14px;
    color: #1f2937;
}

.data-table tbody tr:hover {
    background: #f9fafb;
}

.data-table button {
    height: 34px;
    padding: 0 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

.data-table button:hover {
    background: #f3f4f6;
}

.data-table input[type="password"] {
    height: 34px;
    padding: 0 9px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
}

@media (max-width: 900px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}