/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root {
    /* Neutral scale */
    --gray-950: #0A0A0A;
    --gray-900: #171717;
    --gray-800: #262626;
    --gray-700: #404040;
    --gray-500: #737373;
    --gray-400: #A3A3A3;
    --gray-300: #D4D4D4;
    --gray-200: #E5E5E5;
    --gray-100: #F5F5F5;
    --gray-50:  #FAFAFA;
    --white:    #FFFFFF;

    /* Role tokens - light */
    --color-text-high:      var(--gray-950);
    --color-text-medium:    var(--gray-700);
    --color-text-low:       var(--gray-400);

    --color-background:     var(--gray-50);
    --color-surface:        var(--white);
    --color-surface-hover:  var(--gray-100);
    --color-border:         var(--gray-200);

    --color-primary:        var(--gray-900);
    --color-primary-hover:  var(--gray-950);
    --color-primary-contrast: #FFFFFF;

    /* Status tokens - light */
    --color-success:     #166534;
    --color-success-bg:  #F0FAF3;
    --color-warning:     #92400E;
    --color-warning-bg:  #FDF6EC;
    --color-error:       #991B1B;
    --color-error-bg:    #FDF2F2;
    --color-neutral:     var(--gray-500);
    --color-neutral-bg:  var(--gray-100);

    /* Typography */
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

    /* Spacing (8px grid) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;
    --space-7: 64px;
    --container-max-width: 560px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-full: 9999px;

    /* Shadow */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-focus: 0 0 0 3px rgba(23,23,23,0.08);

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --dur-fast: 0.12s;
    --dur-base: 0.25s;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-text-high:      #FAFAFA;
        --color-text-medium:    #A3A3A3;
        --color-text-low:       #6B6B6B;

        --color-background:     #0A0A0A;
        --color-surface:        #141414;
        --color-surface-hover:  #1F1F1F;
        --color-border:         #2A2A2A;

        --color-primary:        #FAFAFA;
        --color-primary-hover:  #FFFFFF;
        --color-primary-contrast: #0A0A0A;

        --shadow-xs: none;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-focus: 0 0 0 3px rgba(250, 250, 250, 0.12);

        --color-success:     #4ADE80;
        --color-success-bg:  #0F1F16;
        --color-warning:     #FBBF24;
        --color-warning-bg:  #201A0D;
        --color-error:       #F87171;
        --color-error-bg:    #211010;
    }
}

/* ============================================================
   RESET / BASE
   ============================================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    color-scheme: light dark;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text-medium);
    font-size: 0.9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

svg.sprite-defs {
    display: none;
}

.icon {
    width: 1em;
    height: 1em;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
}

/* ============================================================
   PAGE SHELL
   ============================================================ */

.page-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5) var(--space-3);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    animation: fade-in var(--dur-base) var(--ease-out);
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .container { animation: none; }
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-low);
    margin-bottom: var(--space-2);
}

.section-title {
    font-size: 1.75rem;
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text-high);
    margin-bottom: var(--space-2);
}

.subtitle {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-medium);
    margin-bottom: var(--space-5);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
    text-decoration: none;
    font-size: 0.8125rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary, button[type="submit"] {
    display: block;
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-primary-contrast);
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 20px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--dur-fast) var(--ease-out);
    margin-top: var(--space-4);
}

.btn-primary:hover, button[type="submit"]:hover {
    background-color: var(--color-primary-hover);
}

.btn-primary:active, button[type="submit"]:active {
    transform: scale(0.99);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: none;
    color: var(--color-text-medium);
    font-size: 0.8125rem;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease-out);
}

.btn-ghost:hover {
    color: var(--color-text-high);
}

/* ============================================================
   FORM FIELDS
   ============================================================ */

.field {
    margin-bottom: var(--space-3);
}

label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-medium);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 11px 14px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text-high);
    transition: border-color var(--dur-fast) var(--ease-out);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
select:hover {
    border-color: var(--gray-300);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus {
    outline: none;
    border-color: var(--gray-400);
    box-shadow: var(--shadow-focus);
}

#postcode, .mono, .postcode-display, .stat-chip-value, .timeline-date {
    font-family: var(--font-mono);
}

.field-feedback {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-1);
    font-size: 0.8125rem;
    color: var(--color-text-low);
}

.field.is-valid input {
    border-color: var(--color-success);
}
.field.is-valid .field-feedback {
    color: var(--color-success);
}
.field.is-invalid input {
    border-color: var(--color-error);
}
.field.is-invalid .field-feedback {
    color: var(--color-error);
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    margin-top: var(--space-3);
}

.checkbox-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.checkbox-row label {
    margin: 0;
    font-weight: 400;
    font-size: 0.8125rem;
    color: var(--color-text-medium);
}

/* ============================================================
   CARDS
   ============================================================ */

.result-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
}

.priority-card {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.result-card h2 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.0625rem;
    line-height: 1.4;
    font-weight: 600;
    color: var(--color-text-high);
    margin-bottom: var(--space-3);
}

.result-card h2 .icon {
    width: 17px;
    height: 17px;
    color: var(--color-text-low);
}

.result-card h3 {
    font-size: 0.9375rem;
    line-height: 1.4;
    font-weight: 600;
    color: var(--color-text-high);
    margin: var(--space-3) 0 var(--space-2);
}

.result-card p {
    font-size: 0.9375rem;
    color: var(--color-text-medium);
    margin-bottom: var(--space-2);
}

.stat-row {
    display: flex;
    gap: var(--space-3);
    margin: var(--space-3) 0;
}

.stat-chip {
    flex: 1;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
}

.stat-chip-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-low);
    margin-bottom: var(--space-1);
}

.stat-chip-value {
    display: block;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-text-high);
}

/* ============================================================
   STATUS GAUGE
   ============================================================ */

.gauge-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    border-radius: var(--radius-full);
    padding: 4px 10px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.gauge-track {
    width: 100%;
    height: 6px;
    background-color: var(--color-surface-hover);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.gauge-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-full);
    transition: width 0.8s var(--ease-out);
}

.gauge-fill.is-visible {
    width: var(--target-fill);
}

.qstatus-0 .gauge-label, .qstatus-0 .gauge-fill { color: var(--color-success); background-color: var(--color-success-bg); }
.qstatus-1 .gauge-label, .qstatus-1 .gauge-fill { color: var(--color-warning); background-color: var(--color-warning-bg); }
.qstatus-2 .gauge-label, .qstatus-2 .gauge-fill { color: var(--color-warning); background-color: var(--color-warning-bg); }
.qstatus-3 .gauge-label, .qstatus-3 .gauge-fill { color: var(--color-error); background-color: var(--color-error-bg); }
.qstatus--1 .gauge-label, .qstatus--1 .gauge-fill { color: var(--color-neutral); background-color: var(--color-neutral-bg); }

/* ============================================================
   LISTS
   ============================================================ */

.reco-list {
    list-style: none;
}

.reco-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
    color: var(--color-text-medium);
}

.reco-list li:last-child {
    border-bottom: none;
}

.reco-list .icon {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    color: var(--color-success);
    flex-shrink: 0;
}

.timeline {
    position: relative;
    padding-right: var(--space-3);
}

.timeline-item {
    position: relative;
    padding-right: var(--space-4);
    padding-bottom: var(--space-3);
    border-right: 1px solid var(--color-border);
}

.timeline-item:last-child {
    padding-bottom: 0;
    border-right: none;
}

.timeline-item::before {
    content: "";
    position: absolute;
    right: -4px;
    top: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-text-low);
}

.timeline-name {
    display: block;
    font-weight: 500;
    color: var(--color-text-high);
    font-size: 0.875rem;
}

.timeline-date {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-low);
    margin-top: 2px;
}

/* ============================================================
   CTA LINK (secondary conversion, e.g. "get a quote")
   ============================================================ */

.cta-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    margin-top: var(--space-4);
    text-decoration: none;
    transition: border-color var(--dur-fast) var(--ease-out);
}

.cta-link:hover {
    border-color: var(--gray-300);
}

.cta-link:hover .cta-link-arrow {
    transform: translateX(-2px);
}

.cta-link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-hover);
    color: var(--color-text-medium);
    flex-shrink: 0;
}

.cta-link-body {
    flex: 1;
}

.cta-link-title {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-high);
}

.cta-link-sub {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-low);
    margin-top: 2px;
}

.cta-link-arrow {
    color: var(--color-text-low);
    transition: transform var(--dur-fast) var(--ease-out);
}

/* ============================================================
   EMPTY / SUCCESS STATES
   ============================================================ */

.empty-state, .success-state {
    text-align: center;
    padding: var(--space-5) var(--space-3);
}

.empty-state-icon, .success-state-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto var(--space-3);
}

.empty-state-icon {
    background-color: var(--color-surface-hover);
    color: var(--color-text-low);
}

.success-state-icon {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.empty-state h2, .success-state h2 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-text-high);
    margin-bottom: var(--space-2);
}

.empty-state p, .success-state p {
    font-size: 0.9375rem;
    color: var(--color-text-medium);
}

/* ============================================================
   FEEDBACK
   ============================================================ */

.error-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(153, 27, 27, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-size: 0.875rem;
    margin-bottom: var(--space-3);
}

.disclaimer {
    display: flex;
    align-items: flex-start;
    gap: var(--space-1);
    font-size: 0.8125rem;
    color: var(--color-text-low);
    margin-top: var(--space-5);
}

.disclaimer .icon {
    width: 14px;
    height: 14px;
    margin-top: 2px;
    flex-shrink: 0;
}