.customer-shell {
    --customer-bg: linear-gradient(180deg, #f6f1e8 0%, #efe6d6 45%, #f5f3ef 100%);
    --customer-surface: rgba(255, 252, 246, 0.94);
    --customer-border: rgba(84, 63, 37, 0.12);
    --customer-text: #261d13;
    --customer-muted: #6a5643;
    --customer-accent: #20593d;
    --customer-accent-soft: rgba(32, 89, 61, 0.12);
    min-height: 100vh;
    background: var(--customer-bg);
    color: var(--customer-text);
}

.customer-panel {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px;
    background: transparent;
    box-shadow: none;
}

.customer-panel .brand-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 0 18px;
    border: 0;
    background: transparent;
}

.customer-panel .brand-logo {
    width: 132px;
    height: auto;
}

.customer-panel .brand-title {
    color: var(--customer-muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.92rem;
}

.customer-surface-card,
.customer-panel .messages,
.customer-panel .composer,
.customer-panel .chat-toolbar {
    border: 1px solid var(--customer-border);
    border-radius: 24px;
    background: var(--customer-surface);
    box-shadow: 0 18px 44px rgba(69, 51, 28, 0.08);
    backdrop-filter: blur(14px);
}

.customer-auth {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 340px);
    gap: 20px;
    align-items: start;
}

.customer-auth__hero,
.start-form,
.start-support,
.start-steps {
    padding: 24px;
}

.start-title {
    margin: 0 0 10px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 0.98;
}

.start-subtitle {
    margin: 0;
    color: var(--customer-muted);
    line-height: 1.6;
}

.start-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.start-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid var(--customer-border);
    color: var(--customer-text);
    font-size: 0.9rem;
}

.start-steps {
    display: grid;
    gap: 14px;
}

.start-steps-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--customer-muted);
}

.step {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
}

.step-number {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--customer-accent-soft);
    color: var(--customer-accent);
    font-weight: 700;
}

.step-title {
    font-weight: 700;
}

.step-text {
    margin-top: 4px;
    color: var(--customer-muted);
    line-height: 1.5;
}

.start-form {
    display: grid;
    gap: 16px;
}

.start-form-header {
    display: grid;
    gap: 10px;
}

.start-step-indicator {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--customer-muted);
    font-size: 0.92rem;
}

.start-step--active {
    color: var(--customer-accent);
    font-weight: 700;
}

.start-form-title {
    margin: 0;
    font-size: 1.4rem;
}

.start-form-subtitle,
.start-support,
.customer-chat-intro__text,
.customer-portal__subtitle,
.customer-portal-muted,
.customer-material-form__head p,
.composer-note {
    color: var(--customer-muted);
    line-height: 1.6;
}

.start-email-field,
.customer-compose-field,
.customer-file-panel,
.customer-material-form__grid,
.customer-material-form {
    min-width: 0;
}

.start-secondary-actions,
.customer-chat-intro__actions,
.customer-material-form__actions,
.customer-chat-toolbar__actions,
.customer-chat-toolbar__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.start-checkbox-row {
    display: flex;
    gap: 10px;
    align-items: start;
}

.customer-chat-shell {
    display: grid;
    gap: 18px;
}

.customer-chat-intro {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: end;
    padding: 22px 24px;
}

.customer-chat-intro__title {
    margin: 0 0 8px;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.customer-chat-layout {
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.customer-chat-sidebar,
.customer-chat-main {
    display: grid;
    gap: 18px;
    min-width: 0;
}

.customer-portal {
    padding: 20px;
    display: grid;
    gap: 18px;
}

.customer-portal__status {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
}

.customer-portal__eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--customer-muted);
}

.customer-portal__title {
    margin: 8px 0 0;
    font-size: 1.5rem;
}

.customer-portal__status-badges,
.customer-portal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.customer-portal__progress {
    display: grid;
    gap: 10px;
}

.customer-portal__progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-weight: 700;
}

.customer-portal__progress-track {
    overflow: hidden;
    border-radius: 999px;
    background: rgba(36, 27, 16, 0.08);
    height: 12px;
}

.customer-portal__progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #20593d, #6f8f4a);
    transition: width 180ms ease;
}

.customer-portal-details {
    border-top: 1px solid var(--customer-border);
    padding-top: 14px;
}

.customer-portal-details__summary,
.customer-material-panel__summary {
    cursor: pointer;
    font-weight: 700;
}

.customer-portal-details__body,
.customer-material-form {
    display: grid;
    gap: 16px;
    padding-top: 16px;
}

.customer-portal-card,
.customer-material-panel {
    padding: 16px;
    border: 1px solid var(--customer-border);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.54);
}

.customer-portal-card h3,
.customer-material-form__head h3 {
    margin: 0 0 8px;
}

.customer-portal-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.customer-portal-list li,
.customer-portal-list__item {
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(36, 27, 16, 0.04);
}

.customer-portal-list__item--warning {
    background: rgba(141, 78, 36, 0.12);
}

.customer-material-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.customer-material-form__grid .field--full {
    grid-column: 1 / -1;
}

.customer-chat-toolbar {
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.customer-chat-toolbar__label {
    color: var(--customer-muted);
    font-size: 0.88rem;
}

.customer-chat-chip {
    border-radius: 999px;
    border: 1px solid var(--customer-border);
    background: rgba(255, 255, 255, 0.6);
}

.customer-chat-messages {
    min-height: 420px;
    padding: 18px;
    overflow: auto;
}

.customer-chat-composer {
    padding: 18px;
}

.customer-composer__input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 160px;
    gap: 12px;
    align-items: start;
}

.customer-file-panel {
    display: grid;
    gap: 12px;
}

.customer-file-row,
.customer-file-meta-row {
    display: grid;
    gap: 12px;
}

.customer-file-meta-row {
    grid-template-columns: 220px minmax(0, 1fr);
}

.customer-file-selected,
.file-hint {
    color: var(--customer-muted);
    font-size: 0.92rem;
}

.customer-portal-badge,
.customer-portal-link,
.customer-portal-approval {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--customer-border);
    background: rgba(255, 255, 255, 0.66);
    color: var(--customer-text);
    text-decoration: none;
}

.customer-portal-badge--muted,
.customer-portal-link--muted {
    color: var(--customer-muted);
}

.customer-portal-badge--warning,
.customer-portal-link--missing {
    background: rgba(141, 78, 36, 0.12);
    color: #8d4e24;
}

.customer-portal-badge--success {
    background: rgba(32, 89, 61, 0.12);
    color: var(--customer-accent);
}

.customer-portal-approval {
    display: grid;
    gap: 10px;
    width: 100%;
    border-radius: 18px;
}

.customer-portal-approval__meta,
.customer-portal-approval__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.customer-chat-overflow__menu {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.customer-chat-status {
    min-height: 1.4em;
}

.customer-panel textarea,
.customer-panel input[type="text"],
.customer-panel input[type="email"],
.customer-panel input[type="search"],
.customer-panel select {
    width: 100%;
}

@media (max-width: 1100px) {
    .customer-auth,
    .customer-chat-layout {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 820px) {
    .customer-panel {
        padding: 16px;
    }

    .customer-chat-intro,
    .customer-chat-toolbar,
    .customer-portal,
    .customer-chat-messages,
    .customer-chat-composer,
    .customer-auth__hero,
    .start-form,
    .start-support,
    .start-steps {
        padding: 16px;
        border-radius: 20px;
    }

    .customer-chat-intro {
        align-items: start;
        flex-direction: column;
    }

    .customer-portal__status,
    .customer-chat-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .customer-material-form__grid,
    .customer-composer__input-row,
    .customer-file-meta-row {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .customer-panel .brand-header {
        flex-direction: column;
        align-items: start;
    }
}