* {
    box-sizing: border-box;
}

:root {
    --bg: #f7f3ef;
    --surface: #ffffff;
    --surface-soft: #fff7ee;
    --sidebar: #8f1531;
    --sidebar-dark: #6f1026;
    --primary: #d7263d;
    --primary-dark: #b61f33;
    --orange: #f68b1f;
    --yellow: #f2c230;
    --purple: #7b3fb6;
    --text: #2d1f1f;
    --muted: #6f5f5f;
    --border: #eadfda;
    --success: #2e8b57;
    --danger: #c0392b;
    --warning: #d68910;
    --shadow: 0 12px 30px rgba(89, 36, 32, 0.08);
    --radius: 16px;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #fff6eb 0%, var(--bg) 100%);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

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

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(215, 38, 61, 0.08);
}

.login-card h1 {
    margin: 0 0 8px;
    color: var(--sidebar);
}

.login-card p {
    color: var(--muted);
}

.login-help {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
}

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

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-dark) 100%);
    color: #fff;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: sticky;
    top: 0;
    min-height: 100vh;
}

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

.brand p {
    margin: 6px 0 0;
    color: rgba(255, 255, 255, 0.78);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-nav a,
.logout-link {
    color: #fff;
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    transition: 0.2s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active,
.logout-link:hover {
    background: rgba(255, 255, 255, 0.18);
}

.sidebar-footer {
    margin-top: auto;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.84);
}

.content-area {
    flex: 1;
    padding: 28px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.page-header h2 {
    margin: 0 0 8px;
    font-size: 32px;
}

.page-header p {
    margin: 0;
    color: var(--muted);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card,
.panel {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stat-card {
    padding: 22px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
}

.accent-orange::before { background: var(--orange); }
.accent-red::before { background: var(--primary); }
.accent-purple::before { background: var(--purple); }
.accent-yellow::before { background: var(--yellow); }

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 10px;
    font-size: 14px;
}

.stat-card strong {
    font-size: 30px;
    color: var(--text);
}

.panel {
    padding: 22px;
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.panel-header h3,
.panel h3 {
    margin: 0;
}

.panel-grid {
    display: grid;
    gap: 20px;
    align-items: start;
}

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

.two-columns-left {
    grid-template-columns: minmax(360px, 420px) 1fr;
}

.form-panel {
    position: sticky;
    top: 20px;
}

.grid-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: bold;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font-size: 15px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(246, 139, 31, 0.12);
}

.form-group.checkbox-group {
    justify-content: center;
}

.form-group.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: normal;
}

.form-group.checkbox-group input {
    width: auto;
}

.full {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 12px;
    padding: 12px 16px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: 0.2s ease;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: #f6ece8;
    color: var(--text);
}

.btn-secondary:hover {
    background: #efdfd8;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #a93226;
}

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

th,
 td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}

.status-aberto { background: var(--orange); }
.status-faturado { background: var(--purple); }
.status-entregue,
.status-pago { background: var(--success); }
.status-cancelado { background: #8e7f7f; }
.status-pendente { background: var(--warning); }
.status-parcial { background: #b9770e; }
.status-vencido { background: var(--danger); }

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.actions form {
    margin: 0;
}

.items-list {
    display: grid;
    gap: 10px;
}

.item-row {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 10px;
}

.alert {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-weight: bold;
}

.alert-success {
    background: rgba(46, 139, 87, 0.12);
    color: #1f6c42;
}

.alert-danger {
    background: rgba(192, 57, 43, 0.12);
    color: #982d22;
}

@media (max-width: 1200px) {
    .cards-grid,
    .two-columns,
    .two-columns-left,
    .grid-form.two-columns {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .app-shell {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-height: auto;
        position: relative;
    }

    .cards-grid,
    .two-columns,
    .two-columns-left,
    .grid-form.two-columns,
    .item-row {
        grid-template-columns: 1fr;
    }

    .form-panel {
        position: relative;
        top: auto;
    }

    .content-area {
        padding: 18px;
    }

    .page-header {
        flex-direction: column;
    }
}