:root {
    --co-navy: #121232;
    --co-navy-deep: #0d0e2b;
    --co-lime: #82d95d;
    --co-lime-hover: #73c852;
    --co-lime-text: #1a2e14;
    --co-purple: #5c4e8e;
    --co-purple-soft: #ebe8ff;
    --co-purple-icon: #6b5b95;
    --co-ink: #0f172a;
    --co-muted: #64748b;
    --co-border: #e2e8f0;
    --co-input-bg: #f4f6f8;
    --co-error-bg: #fef2f2;
    --co-error: #b91c1c;
    --co-success-bg: #ecfdf5;
    --co-success: #047857;
    --co-radius: 16px;
    --co-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    --co-teal: #0f766e;
    --co-teal-dark: #115e59;
    font-family: "Inter", system-ui, -apple-system, sans-serif;
}

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

body.co-body {
    margin: 0;
    min-height: 100vh;
}

/* —— Diaspora registration / sign-in shell —— */
.co-body--diaspora {
    color: #e2e8f0;
    background: var(--co-navy);
}

.co-diaspora {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1.25rem 1rem;
    max-width: 560px;
    margin: 0 auto;
}

.co-diaspora--onboarding {
    padding-top: 2.75rem;
}

.co-diaspora__brand {
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.co-logo--center {
    display: inline-flex;
    justify-content: center;
}

.co-back--corner {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    margin-top: 0;
    z-index: 2;
}

.co-diaspora__main--onboarding {
    justify-content: flex-start;
    padding-top: 0;
}

.co-diaspora--wide {
    max-width: 720px;
}

.co-diaspora__header {
    margin-bottom: 1.5rem;
}

.co-logo {
    display: inline-block;
    line-height: 0;
}

.co-logo img {
    display: block;
    height: auto;
    max-width: 120px;
}

.co-back {
    display: inline-block;
    margin-top: 1rem;
    color: rgba(226, 232, 240, 0.85);
    text-decoration: none;
    font-size: 0.925rem;
    font-weight: 500;
}

.co-back:hover {
    color: #fff;
}

.co-diaspora__main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 2rem;
}

.co-diaspora-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.55);
    padding-top: 1rem;
}

.co-diaspora-footer__links {
    display: flex;
    gap: 1rem;
}

.co-stepper--horizontal {
    margin-bottom: 1.75rem;
}

.co-stepper__track {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem 0;
}

.co-stepper__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    width: 4.5rem;
    text-align: center;
}

.co-stepper__dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--co-purple);
    color: #fff;
}

.co-stepper__step--current .co-stepper__dot {
    background: var(--co-lime);
    color: var(--co-lime-text);
    box-shadow: 0 0 0 3px rgba(130, 217, 93, 0.35);
}

.co-stepper__step--done .co-stepper__dot {
    background: var(--co-lime);
    color: var(--co-lime-text);
}

.co-stepper__caption {
    font-size: 0.65rem;
    line-height: 1.2;
    color: rgba(226, 232, 240, 0.55);
}

.co-stepper__step--current .co-stepper__caption {
    color: #ecfdf5;
    font-weight: 600;
}

.co-stepper__step--done .co-stepper__caption {
    color: rgba(130, 217, 93, 0.9);
}

.co-stepper__line {
    width: 2.25rem;
    height: 2px;
    margin-top: 1rem;
    background: var(--co-purple);
    list-style: none;
    flex-shrink: 0;
}

.co-stepper__line--done {
    background: var(--co-lime);
}

.co-card--diaspora {
    background: #fff;
    color: var(--co-ink);
    border: none;
    border-radius: var(--co-radius);
    box-shadow: var(--co-shadow);
    padding: 2rem 1.75rem;
    text-align: center;
}

.co-card--wide {
    text-align: left;
}

.co-card--wide .co-card-icon {
    margin-left: auto;
    margin-right: auto;
}

.co-card--wide .co-card__title,
.co-card--wide .co-card__lead {
    text-align: center;
}

.co-card-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    border-radius: 12px;
    background: var(--co-purple-soft);
    color: var(--co-purple-icon);
    display: flex;
    align-items: center;
    justify-content: center;
}

.co-card-icon__svg {
    width: 1.5rem;
    height: 1.5rem;
}

.co-card__title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--co-navy-deep);
}

.co-card__title--accent {
    color: #2d6a4f;
}

.co-card__title--left {
    text-align: left;
}

.co-card__lead--left {
    text-align: left;
    margin-bottom: 0;
}

.co-card__lead {
    margin: 0 0 1.25rem;
    color: var(--co-muted);
    line-height: 1.55;
    font-size: 0.95rem;
}

.co-card__email {
    margin: 0 0 1.25rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--co-navy-deep);
    word-break: break-all;
}

.co-card__hint {
    margin: 0 0 1rem;
}

.co-card__divider-text {
    margin: 1.5rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid var(--co-border);
    font-size: 0.925rem;
    color: var(--co-muted);
}

.co-required {
    color: var(--co-error);
}

.co-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-align: left;
}

.co-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--co-ink);
}

.co-input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
}

.co-input--soft {
    background: var(--co-input-bg);
}

.co-input:focus {
    outline: 2px solid rgba(130, 217, 93, 0.45);
    border-color: var(--co-lime);
}

.co-input--error {
    border-color: var(--co-error);
}

.co-input--readonly {
    color: var(--co-muted);
}

.co-input--otp,
.co-input--pin {
    letter-spacing: 0.35em;
    text-align: center;
    font-size: 1.25rem;
}

.co-select {
    appearance: auto;
}

.co-phone-row {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 0.75rem;
}

.co-field-error {
    margin: 0;
    color: var(--co-error);
    font-size: 0.875rem;
}

.co-btn {
    border: none;
    border-radius: 10px;
    padding: 0.9rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.co-btn--lime {
    background: var(--co-lime);
    color: var(--co-lime-text);
}

.co-btn--lime:hover {
    background: var(--co-lime-hover);
}

.co-btn--block {
    width: 100%;
    margin-top: 0.35rem;
}

.co-alert {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-size: 0.925rem;
    text-align: left;
}

.co-alert--error {
    background: var(--co-error-bg);
    color: var(--co-error);
}

.co-alert--success {
    background: var(--co-success-bg);
    color: var(--co-success);
}

.co-muted {
    color: var(--co-muted);
    font-size: 0.925rem;
}

.co-link {
    color: var(--co-purple);
    text-decoration: none;
    font-weight: 500;
}

.co-link--strong {
    font-weight: 700;
    color: var(--co-navy-deep);
}

.co-link:hover {
    text-decoration: underline;
}

.co-dev-link {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--co-border);
    text-align: left;
    font-size: 0.85rem;
}

.co-callout {
    padding: 0.75rem 0.85rem;
    background: var(--co-purple-soft);
    border-radius: 10px;
    border: none;
    font-size: 0.875rem;
    line-height: 1.45;
}

.co-callout--compact {
    margin: 0;
}

.co-callout--important {
    text-align: left;
    margin-bottom: 1.25rem;
}

.co-callout--important p {
    margin: 0.35rem 0 0;
    font-weight: 400;
}

.co-form--center {
    text-align: center;
}

.co-label--center {
    display: block;
    text-align: center;
    margin-bottom: 0.75rem;
}

.co-digit-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.co-digit-input {
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--co-border);
    border-radius: 10px;
    background: #fff;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    font-family: inherit;
}

.co-digit-input--pin {
    font-size: 1.5rem;
}

.co-digit-input:focus {
    outline: 2px solid rgba(130, 217, 93, 0.45);
    border-color: var(--co-lime);
}

.co-digit-input--error {
    border-color: var(--co-error);
}

.co-resend {
    margin: 1rem 0 0;
    font-size: 0.875rem;
    text-align: center;
}

.co-resend__wait {
    margin: 0;
}

.co-resend__form {
    margin: 1rem 0 0;
    text-align: center;
}

.co-resend__form[hidden] {
    display: none !important;
}

.co-resend__button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font: inherit;
    color: inherit;
}

.co-register-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    text-align: left;
}

.co-step-badge {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--co-purple-icon);
    background: var(--co-purple-soft);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
}

.co-card--register {
    text-align: left;
}

.co-form-section {
    margin: 1.25rem 0 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--co-navy-deep);
}

.co-dob-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.co-check {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.875rem;
    line-height: 1.45;
}

/* —— Logged-in portal (interface mockups — later pass) —— */
.co-body--portal {
    background: #f1f5f9;
    color: var(--co-ink);
}

.co-topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    padding: 0.85rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--co-border);
}

.co-topbar__brand {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.co-brand__mark {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--co-teal-dark);
}

.co-brand__tag {
    font-size: 0.85rem;
    color: var(--co-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.co-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    flex: 1;
}

.co-nav__link {
    font-size: 0.9rem;
    color: var(--co-muted);
    text-decoration: none;
}

.co-nav__link--active {
    color: var(--co-teal-dark);
    font-weight: 600;
}

.co-nav__link--muted {
    opacity: 0.65;
}

.co-btn--ghost {
    background: transparent;
    color: var(--co-teal-dark);
    border: 1px solid var(--co-border);
}

.co-portal-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.co-dashboard__greeting {
    margin: 0 0 0.35rem;
    font-size: 1.75rem;
}

.co-dashboard__lead {
    color: var(--co-muted);
    line-height: 1.55;
    margin: 0 0 2rem;
}

.co-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.co-tile {
    background: #fff;
    border: 1px solid var(--co-border);
    border-radius: var(--co-radius);
    padding: 1.25rem;
}

.co-tile__title {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
}

.co-tile__text {
    margin: 0 0 0.75rem;
    color: var(--co-muted);
    font-size: 0.925rem;
}

.co-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--co-teal-dark);
    background: #ecfdf5;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
}

@media (max-width: 640px) {
    .co-phone-row {
        grid-template-columns: 1fr;
    }

    .co-stepper__caption {
        display: none;
    }

    .co-stepper__step {
        width: auto;
    }

    .co-topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .co-topbar__logout {
        width: 100%;
    }
}