:root {
    --primary: #08207f;
    --primary-dark: #061963;
    --accent: #1f49d8;
    --bg: #f4f7fc;
    --card: #ffffff;
    --text: #15233b;
    --muted: #5f6f8f;
    --border: #d9e2f0;
    --bot: #eef3ff;
    --success: #25623a;
    --success-bg: #eef9f0;
    --warn: #9a4f00;
    --warn-bg: #fff5eb;
    --danger: #a52222;
    --danger-bg: #fff5f5;
    --shadow: 0 12px 35px rgba(8, 32, 127, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
    color: var(--text);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.topbar {
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 20;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand img { height: 44px; width: auto; display: block; }
.brand-copy h1 { margin: 0; font-size: 22px; line-height: 1.15; }
.brand-copy p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.topbar-link {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
}

.layout {
    width: min(1280px, calc(100% - 32px));
    margin: 24px auto;
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
}

.sidebar { padding: 22px; position: sticky; top: 92px; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    background: #eef3ff;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.sidebar h2,
.form-head h2 { margin: 14px 0 8px; font-size: 28px; line-height: 1.15; }
.sidebar p,
.form-head p,
.section-title p,
.hint p { margin: 0; color: var(--muted); line-height: 1.55; }

.status-grid, .steps { display: grid; gap: 12px; margin-top: 18px; }
.status-box, .hint {
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.55;
    background: #f9fbff;
}
.status-box strong { display: block; margin-bottom: 4px; }
.status-box.ok { background: var(--success-bg); border-color: #cfe6d2; }
.status-box.warn { background: var(--warn-bg); border-color: #f2d7b2; }

.step-item {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 14px;
    background: #fff;
    font-weight: 600;
}
.step-item span {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
}

.hint { margin-top: 18px; border-style: dashed; }

.form-panel { padding: 24px; }
.form-head {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}
.progress-pill {
    border-radius: 999px;
    background: #eef3ff;
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
    padding: 10px 14px;
    white-space: nowrap;
}

.feedback, .result-card {
    margin-top: 20px;
    border-radius: 18px;
    padding: 18px;
    border: 1px solid var(--border);
}
.feedback.error { background: var(--danger-bg); color: var(--danger); border-color: #f0c7c7; }
.feedback.success { background: var(--success-bg); color: var(--success); border-color: #cfe6d2; }
.result-card {
    background: linear-gradient(180deg, #fdfefe 0%, #f6f9ff 100%);
}
.result-card h3 { margin: 0 0 8px; font-size: 24px; }
.result-card p { margin: 0 0 12px; line-height: 1.6; }
.result-meta {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}
.result-meta .row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    color: var(--muted);
}
.result-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.shipment-form {
    display: grid;
    gap: 22px;
    margin-top: 22px;
}
.form-section {
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 22px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}
.section-title { margin-bottom: 18px; }
.section-title h3 { margin: 0 0 6px; font-size: 20px; }

.field-grid {
    display: grid;
    gap: 16px;
}
.field-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.field { display: grid; gap: 8px; }
.field.full { margin-bottom: 18px; }
.field label {
    font-weight: 700;
    font-size: 14px;
}
.field small.field-help {
    color: var(--muted);
    font-size: 12px;
}
.field input,
.field select {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 15px;
    font: inherit;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field input:focus,
.field select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(31,73,216,.08);
}
.field input.error,
.field select.error,
.checkbox-card.error,
.consent-card.error {
    border-color: #e09797;
    background: #fff8f8;
}
.error-text {
    color: var(--danger);
    font-size: 12px;
    margin-top: -2px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.checkbox-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px;
    background: #fff;
    cursor: pointer;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.checkbox-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(8, 32, 127, 0.06);
}
.checkbox-card input {
    margin-top: 3px;
}
.checkbox-card strong { display: block; font-size: 15px; margin-bottom: 4px; }
.checkbox-card small { display: block; color: var(--muted); line-height: 1.45; }

.consent-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 16px 18px;
    background: #f9fbff;
}
.consent-card input { margin-top: 3px; }

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    border-radius: 14px;
    padding: 13px 18px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 20px rgba(8, 32, 127, 0.08); }
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    border-color: transparent;
    position: relative;
    min-width: 260px;
}
.btn-secondary { background: #fff; }
.btn[disabled] { opacity: .72; cursor: progress; transform: none; box-shadow: none; }
.btn-loader {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.35);
    border-top-color: #ffffff;
    display: none;
    vertical-align: middle;
    margin-left: 8px;
    animation: spin 1s linear infinite;
}
.btn.is-loading .btn-loader { display: inline-block; }
.btn.is-loading .btn-text { opacity: .88; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 1080px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: static; top: auto; }
}
@media (max-width: 820px) {
    .field-grid.cols-2,
    .field-grid.cols-3,
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    .form-head {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media (max-width: 640px) {
    .topbar,
    .form-panel,
    .sidebar {
        padding-left: 16px;
        padding-right: 16px;
    }
    .layout {
        width: min(100% - 16px, 1280px);
        margin: 16px auto;
        gap: 16px;
    }
    .brand { align-items: flex-start; }
    .brand img { height: 36px; }
    .brand-copy h1 { font-size: 20px; }
    .sidebar h2,
    .form-head h2 { font-size: 24px; }
    .btn-primary { width: 100%; }
}