/* ===== Fourcom RMA Customer Portal ===== */

:root {
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-border: #dee2e6;
    --color-text: #212529;
    --color-text-muted: #6c757d;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #16a34a;
    --radius: 8px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }

/* Header */
.portal-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}
.portal-header .container { display: flex; justify-content: space-between; align-items: center; }
.portal-header .logo { font-size: 18px; font-weight: 700; color: var(--color-text); text-decoration: none; }
.portal-header nav { display: flex; gap: 20px; }
.portal-header nav a { color: var(--color-text-muted); text-decoration: none; font-weight: 500; }
.portal-header nav a:hover { color: var(--color-primary); }

/* Language selector */
.lang-selector { position: relative; margin-left: 12px; }
.lang-toggle {
    background: none; border: 1px solid var(--color-border); border-radius: var(--radius);
    cursor: pointer; font-size: 20px; padding: 4px 8px; line-height: 1;
}
.lang-toggle:hover { border-color: var(--color-primary); }
.lang-dropdown {
    display: none; position: absolute; right: 0; top: 100%; margin-top: 4px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 140px; z-index: 100; overflow: hidden;
}
.lang-dropdown.open { display: block; }
.lang-option {
    display: flex; align-items: center; gap: 8px; padding: 8px 14px;
    text-decoration: none; color: var(--color-text); font-size: 14px;
}
.lang-option:hover { background: var(--color-bg); }

/* Footer */
.portal-footer { margin-top: 48px; padding: 24px 0; text-align: center; color: var(--color-text-muted); font-size: 13px; }

/* Main content */
main { padding: 32px 0; }
h1 { font-size: 24px; margin-bottom: 24px; }

/* Form */
.portal-form { background: var(--color-surface); padding: 24px; border-radius: var(--radius); border: 1px solid var(--color-border); }
.form-group { margin-bottom: 16px; display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--color-text-muted); }
.form-group input, .form-group textarea, .form-group select {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.inline-form { display: flex; gap: 8px; align-items: flex-end; }
.inline-form .form-group { flex: 1; margin-bottom: 0; }

.validation-summary { color: #dc2626; margin-bottom: 16px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); }

/* Status pipeline (customer-facing, simplified) */
.status-pipeline-customer {
    display: flex;
    gap: 2px;
    margin: 16px 0;
    border-radius: var(--radius);
    overflow: hidden;
}
.pipeline-step-customer {
    flex: 1;
    padding: 10px 6px;
    background: #e5e7eb;
    text-align: center;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
}
.pipeline-step-customer.completed { background: #dcfce7; color: var(--color-success); }
.pipeline-step-customer.current { background: var(--color-primary); color: white; font-weight: 700; }

/* Status result */
.status-result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 20px;
}
.status-result-card h2 { margin: 0 0 12px; }
.status-fields { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin-top: 16px; }
.status-fields dt { color: var(--color-text-muted); font-weight: 500; }
.status-fields dd { margin: 0; }

.not-found { padding: 20px; text-align: center; color: var(--color-text-muted); margin-top: 20px; }

/* Confirmation */
.confirmation { text-align: center; padding: 40px 0; }
.confirmation .rma-number { font-size: 28px; font-weight: 700; color: var(--color-primary); }

/* Login page */
.login-container { max-width: 400px; margin: 2rem auto; }
.login-container h1 { margin-bottom: 1.5rem; }
.login-container .portal-form { padding: 1.5rem; }

/* ===================================================================== */
/* Modern case list + detail                                              */
/* ===================================================================== */

:root {
    --color-success-soft: #dcfce7;
    --color-success-text: #14532d;
    --color-warning: #c8860d;
    --color-warning-soft: #fef3c7;
    --color-warning-text: #78350f;
    --color-danger: #dc2626;
    --color-danger-soft: #fee2e2;
    --color-danger-text: #7f1d1d;
    --color-info-soft: #dbeafe;
    --color-info-text: #1e3a8a;
    --color-neutral-soft: #f1f5f9;
    --color-neutral-text: #475569;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.container-wide { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Page header */
.page-header { margin-bottom: 24px; }
.page-header h1 { margin: 0 0 4px; font-size: 28px; font-weight: 700; letter-spacing: -0.01em; }
.page-header .page-subtitle { color: var(--color-text-muted); margin: 0; font-size: 14px; }

/* Filter bar */
.filter-bar {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.filter-bar label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; color: var(--color-text); cursor: pointer;
    user-select: none;
}

/* Case card (list item) */
.case-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    padding: 18px 22px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.case-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.case-card-main { min-width: 0; }
.case-card-title {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.case-card-rma {
    font-size: 18px; font-weight: 700; color: var(--color-text);
}
.case-card-meta {
    display: flex; flex-wrap: wrap; gap: 16px;
    font-size: 13px; color: var(--color-text-muted);
}
.case-card-meta > span { display: inline-flex; align-items: center; gap: 4px; }
.case-card-meta strong { color: var(--color-text); font-weight: 500; }
.case-card-aside {
    display: flex; flex-direction: column; align-items: flex-end; justify-content: center;
    gap: 6px;
    color: var(--color-text-muted);
    font-size: 13px;
}
.case-card-aside .chevron { color: var(--color-text-muted); font-size: 18px; line-height: 1; }
.case-card.is-closed { opacity: 0.65; }
.case-card.is-hidden { display: none; }

/* Status chip */
.status-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    line-height: 1.6;
    white-space: nowrap;
}
.status-chip--info { background: var(--color-info-soft); color: var(--color-info-text); }
.status-chip--progress { background: var(--color-warning-soft); color: var(--color-warning-text); }
.status-chip--success { background: var(--color-success-soft); color: var(--color-success-text); }
.status-chip--neutral { background: var(--color-neutral-soft); color: var(--color-neutral-text); }
.status-chip--danger { background: var(--color-danger-soft); color: var(--color-danger-text); }
.status-chip--lg { padding: 5px 14px; font-size: 13px; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: 12px;
    color: var(--color-text-muted);
}
.empty-state h2 { font-size: 18px; color: var(--color-text); margin: 0 0 8px; font-weight: 600; }
.empty-state p { margin: 0 0 16px; }

/* Back link */
.back-link {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 16px;
}
.back-link:hover { color: var(--color-primary); }

/* Case detail hero */
.case-hero {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.case-hero-top {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.case-hero h1 { margin: 0; font-size: 28px; font-weight: 700; letter-spacing: -0.01em; }
.case-hero-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}
.case-hero-meta dt {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}
.case-hero-meta dd { margin: 0; font-size: 15px; color: var(--color-text); font-weight: 500; }

/* Unverified banner + badge */
.unverified-banner {
    display: flex; align-items: center; gap: 12px;
    background: var(--color-warning-soft);
    color: var(--color-warning-text);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
}
.unverified-banner-icon { flex: 0 0 auto; font-size: 18px; line-height: 1; }
.unverified-badge {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 2px 6px;
    background: var(--color-warning-soft);
    color: var(--color-warning-text);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    cursor: help;
    line-height: 1.4;
}

/* Status pipeline enhancements (reuses existing .status-pipeline-customer) */
.status-pipeline-customer {
    margin: 0 0 4px;
    gap: 3px;
}
.pipeline-step-customer {
    padding: 8px 4px;
    font-size: 10.5px;
    line-height: 1.3;
    border-radius: 2px;
}
.pipeline-step-customer:first-child { border-top-left-radius: 6px; border-bottom-left-radius: 6px; }
.pipeline-step-customer:last-child { border-top-right-radius: 6px; border-bottom-right-radius: 6px; }

/* Products section */
.products-section { margin-top: 28px; }
.products-section-header {
    display: flex; align-items: baseline; justify-content: space-between;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}
.products-section-header h2 {
    font-size: 18px; font-weight: 700; margin: 0;
}
.products-section-header .product-count {
    font-size: 13px; color: var(--color-text-muted);
}

/* Product card */
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 18px 22px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
}
.product-card-index-row {
    display: flex; align-items: baseline;
    gap: 8px; flex-wrap: wrap;
    margin-bottom: 8px;
}
.product-card-index {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
}
.product-card-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    word-break: break-word;
}
.product-card-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-border);
}
.product-identifiers {
    display: flex; flex-direction: column; gap: 4px;
}
.product-identifier {
    font-size: 15px; font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, monospace;
    color: var(--color-text);
}
.product-identifier-label {
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-right: 6px;
}
.product-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px 24px;
    margin-bottom: 14px;
}
.product-meta-grid dt {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.product-meta-grid dd {
    margin: 0;
    font-size: 14px;
    color: var(--color-text);
    word-break: break-word;
}
.product-meta-grid dd.is-empty { color: var(--color-text-muted); font-style: italic; }
.product-failure {
    background: var(--color-bg);
    padding: 12px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--color-primary);
    margin-bottom: 12px;
}
.product-failure-label {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 6px;
}
.product-failure-body {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
}
.product-tracking {
    display: flex; flex-wrap: wrap; gap: 20px;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
}
.product-tracking-item {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--color-text-muted);
}
.product-tracking-item strong { color: var(--color-text); font-weight: 600; font-family: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, monospace; }

/* Responsive tweaks */
@media (max-width: 640px) {
    .case-card { grid-template-columns: 1fr; }
    .case-card-aside { flex-direction: row; align-items: center; justify-content: flex-start; }
    .case-hero { padding: 20px; }
    .case-hero-top { flex-direction: column; align-items: flex-start; }
    .product-card { padding: 16px; }
    .pipeline-step-customer { font-size: 9.5px; padding: 6px 2px; }
}

/* ── Communication thread (Task 33) ────────────────────────────── */
.messages-section { margin-top: 24px; }
.message-thread { list-style: none; margin: 0 0 16px 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.message-bubble { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--color-border, #e0e0e0); background: #fafafa; max-width: 80%; }
/* From the customer's perspective:
   --outbound = Fourcom side (LEFT, blue)         — staff notes + outbound emails
   --outside  = third-party side (LEFT, amber)    — external sender on the Customer track
   --inbound  = customer's own (RIGHT, gray)       — their portal replies and confirmed-customer email replies */
.message-bubble--outbound { background: #eef5ff; border-color: #cfe1fb; align-self: flex-start; }
.message-bubble--outside  { background: #fff8e1; border-color: #ffd866; align-self: flex-start; }
.message-bubble--inbound  { background: #f5f5f5; border-color: #e0e0e0; align-self: flex-end; }
.message-bubble-header { display: flex; justify-content: space-between; gap: 12px; font-size: 0.85rem; color: var(--color-text-muted, #666); margin-bottom: 4px; align-items: center; }
.message-bubble-header-left { display: inline-flex; align-items: center; gap: 8px; }
.message-author { font-weight: 600; color: var(--color-text, #111); }

/* Author chip — small uppercase pill so it's unambiguous who wrote what even if names look similar.
   Fourcom = brand pink (matches the staff app's tenant chip), Customer = blue, Outside = amber. */
.message-chip { display: inline-flex; align-items: center; padding: 1px 7px; border-radius: 999px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.5; }
.message-chip--fourcom  { background: #e91e63; color: #fff; }
.message-chip--customer { background: #1976d2; color: #fff; }
.message-chip--outside  { background: #ff9800; color: #fff; }
/* Transport chips — neutral colors so they don't compete with the source chip for attention. */
.message-chip--mail     { background: #455a64; color: #fff; }
.message-chip--portal   { background: #cfd8dc; color: #37474f; }
.message-timestamp { white-space: nowrap; }
.message-subject { font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.message-body { line-height: 1.5; word-wrap: break-word; }
.message-body img { max-width: 100%; height: auto; }
.message-reply-form { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; padding: 16px; border: 1px solid var(--color-border, #e0e0e0); border-radius: 8px; background: #fff; }
.message-reply-form label { font-weight: 600; color: var(--color-text, #111); }
.message-reply-form textarea { width: 100%; padding: 10px; font: inherit; border: 1px solid var(--color-border, #ccc); border-radius: 6px; resize: vertical; }
.message-reply-form button { align-self: flex-start; }

/* Outbound tracking section (Task 60). Pill colors mirror the staff UI but are inlined here
   so the portal stays self-contained — no shared stylesheet between staff and portal. */
.tracking-section { margin-top: 24px; }
.tracking-list { display: flex; flex-direction: column; gap: 10px; }
.tracking-item { padding: 12px 14px; border: 1px solid var(--color-border, #e0e0e0); border-radius: 8px; background: #fff; }
.tracking-item-header { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 6px; }
.tracking-number { font-family: monospace; font-weight: 600; font-size: 0.95em; }
.tracking-status-pill { padding: 2px 10px; border-radius: 12px; font-size: 0.8em; font-weight: 600; background: #e8e8e8; color: #333; }
.tracking-status-pill.status-delivered                { background: #d6f4d8; color: #14532d; }
.tracking-status-pill.status-deliveredatparcelshop    { background: #fff1c5; color: #6b4a00; }
.tracking-status-pill.status-intransit,
.tracking-status-pill.status-indelivery,
.tracking-status-pill.status-plannedpickup,
.tracking-status-pill.status-inpickup                 { background: #d6e4ff; color: #1e40af; }
.tracking-status-pill.status-preadvice                { background: #e6e8f0; color: #344054; }
.tracking-status-pill.status-notpickedup,
.tracking-status-pill.status-inwarehouse,
.tracking-status-pill.status-notdelivered             { background: #fde0e0; color: #921818; }
.tracking-status-pill.status-cancelled                { background: #e8e8e8; color: #444; }
.tracking-status-pill.status-final                    { background: #f5b7b7; color: #6b0f0f; }
.tracking-description { font-size: 0.9em; color: var(--color-text, #111); margin-bottom: 4px; }
.tracking-timestamp { color: var(--color-text-muted, #777); }
.tracking-meta { font-size: 0.8em; color: var(--color-text-muted, #777); }

/* ===================================================================== */
/* Customer-managed shipping addresses (Task 66)                          */
/* ===================================================================== */

.address-intro { color: var(--color-text-muted); margin: 8px 0 0; font-size: 14px; }

.address-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }

.address-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 16px 20px;
}
.address-card.is-default { border-color: var(--color-success, #16a34a); }
.address-card-header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.address-card-header strong { font-size: 15px; color: var(--color-text); }
.address-card-body { color: var(--color-text-muted); font-size: 14px; line-height: 1.6; }
.address-card-body strong { color: var(--color-text); font-weight: 500; }
.address-card-contact { margin-top: 4px; font-size: 13px; }
.address-card-actions {
    display: flex; gap: 14px; flex-wrap: wrap;
    margin-top: 12px; padding-top: 12px;
    border-top: 1px solid var(--color-border);
}
.address-card-actions .inline-action { display: inline; }

.address-list-footer { margin-top: 20px; }

.address-form-wrapper {
    margin-top: 24px;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}
.address-form h2 { margin: 0 0 16px; font-size: 20px; font-weight: 600; }
.address-form .form-row { margin-bottom: 14px; }
.address-form .form-row-1 { grid-template-columns: 1fr; }
.address-form .form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.address-form .form-group { display: flex; flex-direction: column; gap: 4px; margin: 0; }
.address-form .form-group > span { font-size: 13px; font-weight: 500; color: var(--color-text); }
.address-form .form-group input,
.address-form .form-group select {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-surface);
}
.address-form .form-group input:focus,
.address-form .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.address-form .form-checkbox { flex-direction: row; align-items: center; gap: 8px; }
.address-form .form-checkbox input { width: auto; }
.address-form .req { color: var(--color-danger, #dc2626); }
.form-actions { display: flex; gap: 8px; margin-top: 18px; }

/* Inline field-level error, used by the zip-vs-country guard. Sits directly under the input
   with a red bar so it's noticeable without dominating the form. */
.field-error {
    display: block;
    color: var(--color-danger, #dc2626);
    font-size: 12px;
    margin-top: 4px;
    line-height: 1.3;
}
.field-error[hidden] { display: none; }
.address-form .form-group input.input-error,
.address-form .form-group select.input-error {
    border-color: var(--color-danger, #dc2626);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

/* Shipping-address picker on the RMA submit form — visually distinct callout so logged-in
   customers notice they can pick a non-default destination. Subtle, not loud: thin colored
   left border + faint primary-tinted background. */
.shipping-picker-block {
    margin: 1.5rem 0;
    padding: 14px 16px;
    border-left: 3px solid var(--color-primary, #2563eb);
    background: rgba(37, 99, 235, 0.04);
    border-radius: 0 6px 6px 0;
}
.shipping-picker-block-empty { background: var(--color-neutral-soft, #f1f5f9); border-left-color: var(--color-text-muted, #64748b); }
.shipping-picker-label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    font-size: 14px;
}
.shipping-picker-select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-surface, #fff);
}
.shipping-picker-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.shipping-picker-hint {
    display: block;
    color: var(--color-text-muted, #64748b);
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.4;
}
.shipping-picker-hint a { color: var(--color-primary, #2563eb); margin-left: 6px; }

/* Inline link-style buttons used on the address card actions row */
.btn-link {
    background: none; border: none; padding: 0;
    color: var(--color-primary);
    font-size: 14px; font-weight: 500;
    cursor: pointer; text-decoration: none;
}
.btn-link:hover { text-decoration: underline; }
.btn-link-danger { color: var(--color-danger, #dc2626); }
.btn-secondary {
    background: var(--color-neutral-soft);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-border); }

.success-summary {
    background: var(--color-success-soft);
    color: var(--color-success-text);
    border: 1px solid var(--color-success-soft);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 14px;
}

@media (max-width: 720px) {
    .address-form .form-row,
    .address-form .form-row-3 { grid-template-columns: 1fr; }
}