:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --primary: #2563eb;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    min-height: 64px;
    background: #111827;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
}

.brand a {
    font-size: 20px;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 18px;
}

.nav a {
    color: #e5e7eb;
    font-weight: 600;
}

.nav a:hover {
    color: white;
}

.container {
    width: min(1500px, calc(100% - 40px));
    margin: 28px auto;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

.page-header h1 {
    margin: 0 0 6px;
    font-size: 30px;
}

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

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.btn {
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
    display: inline-block;
    line-height: 1;
}

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

.btn-success {
    background: var(--success);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

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

.btn-secondary {
    background: #374151;
    color: white;
}

.cards {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.card-label {
    display: block;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.card strong {
    font-size: 18px;
    word-break: break-word;
}

.status {
    text-transform: capitalize;
}

.status-running {
    color: var(--success);
}

.status-paused {
    color: var(--warning);
}

.status-error {
    color: var(--danger);
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

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

.panel-header h2 {
    margin: 0;
    font-size: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

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

th {
    color: #374151;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: #f9fafb;
}

tr:last-child td {
    border-bottom: 0;
}

.empty {
    color: var(--muted);
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-buy {
    background: #dcfce7;
    color: #166534;
}

.badge-sell {
    background: #fee2e2;
    color: #991b1b;
}

.badge-hold {
    background: #e5e7eb;
    color: #374151;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

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

.form-group.full,
.form-actions.full {
    grid-column: 1 / -1;
}

label {
    font-weight: 700;
}

input,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    font-size: 14px;
    background: white;
}

small {
    color: var(--muted);
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.flash-wrap {
    margin-bottom: 16px;
}

.flash {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    font-weight: 700;
}

.flash-success {
    background: #dcfce7;
    color: #166534;
}

.flash-warning {
    background: #fef3c7;
    color: #92400e;
}

.flash-danger,
.flash-error {
    background: #fee2e2;
    color: #991b1b;
}

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

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

@media (max-width: 1100px) {
    .cards {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar {
        padding: 16px;
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .nav {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .container {
        width: min(100% - 24px, 1500px);
        margin: 18px auto;
    }

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

    .actions {
        width: 100%;
        justify-content: flex-start;
    }

    .cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 480px) {
    .cards {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .actions form {
        width: 100%;
    }
}

.logout-form {
    margin: 0;
}

.logout-form button {
    background: transparent;
    border: 0;
    color: #e5e7eb;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    padding: 0;
}

.logout-form button:hover {
    color: white;
}

.login-body {
    min-height: 100vh;
    background: linear-gradient(135deg, #111827 0%, #1f2937 50%, #374151 100%);
}

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

.login-card {
    width: min(100%, 420px);
    background: white;
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.login-card h1 {
    margin: 0 0 8px;
    font-size: 30px;
}

.login-card p {
    margin: 0 0 22px;
    color: var(--muted);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-form .btn {
    width: 100%;
}

.safety-banner {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.safety-banner > div {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow);
}

.safety-banner strong {
    display: block;
    color: #1e40af;
    font-size: 15px;
    margin-bottom: 6px;
}

.safety-banner span {
    color: #1f2937;
}

@media (max-width: 760px) {
    .safety-banner {
        grid-template-columns: 1fr;
    }
}

.btn-small {
    padding: 7px 10px;
    font-size: 12px;
    border-radius: 8px;
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.risk-item {
    background: #f9fafb;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
}

.risk-item span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.risk-item strong {
    font-size: 16px;
}

.risk-message {
    color: var(--muted);
    margin: 14px 0 0;
}

@media (max-width: 900px) {
    .risk-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .risk-grid {
        grid-template-columns: 1fr;
    }
}

.inline-form {
    display: flex;
    align-items: end;
    gap: 10px;
    flex-wrap: wrap;
}

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

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 12px 14px;
    margin: 16px 0;
}