/* EasyComex Calculator 2.0 — frontend
   Minimal, whitespace-forward UI. All rules scoped under .ecx. */

.ecx {
    --ecx-brand: #2E1B59;
    --ecx-accent: #F16B00;
    --ecx-ink: #16181d;
    --ecx-ink-soft: #5a6069;
    --ecx-line: #e7e8ec;
    --ecx-line-strong: #d5d7dd;
    --ecx-bg: #ffffff;
    --ecx-bg-soft: #f7f8fa;
    --ecx-radius: 14px;
    --ecx-radius-sm: 10px;
    --ecx-shadow: 0 1px 2px rgba(16, 18, 24, .04), 0 8px 28px rgba(16, 18, 24, .06);
    --ecx-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    font-family: var(--ecx-font);
    color: var(--ecx-ink);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.5;
    box-sizing: border-box;
}

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

.ecx__shell {
    max-width: 640px;
    margin: 0 auto;
    background: var(--ecx-bg);
    border: 1px solid var(--ecx-line);
    border-radius: var(--ecx-radius);
    box-shadow: var(--ecx-shadow);
    padding: clamp(20px, 5vw, 40px);
}

/* Header ------------------------------------------------------------- */
.ecx__head { margin-bottom: 28px; }

.ecx__eyebrow {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--ecx-brand);
}

.ecx__title {
    margin: 0 0 8px;
    font-size: clamp(22px, 4.5vw, 28px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--ecx-ink);
}

.ecx__lead {
    margin: 0;
    color: var(--ecx-ink-soft);
    font-size: 15px;
}

/* Stepper ------------------------------------------------------------ */
.ecx__steps {
    display: flex;
    gap: 6px;
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    flex-wrap: wrap;
}

.ecx__step {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ecx-ink-soft);
    padding: 6px 12px 6px 6px;
    border-radius: 999px;
    background: var(--ecx-bg-soft);
    transition: color .2s ease, background .2s ease;
}

.ecx__step span {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--ecx-line-strong);
    font-size: 12px;
    font-weight: 600;
    color: var(--ecx-ink-soft);
}

.ecx__step.is-active { color: var(--ecx-ink); }
.ecx__step.is-active span {
    background: var(--ecx-brand);
    border-color: var(--ecx-brand);
    color: #fff;
}
.ecx__step.is-done span {
    background: var(--ecx-ink);
    border-color: var(--ecx-ink);
    color: #fff;
}

/* Panels ------------------------------------------------------------- */
.ecx__panel { display: none; animation: ecx-fade .25s ease; }
.ecx__panel.is-active { display: block; }

@keyframes ecx-fade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

.ecx__panel-title {
    margin: 0 0 18px;
    font-size: 18px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

/* Choices (customer type) ------------------------------------------- */
.ecx__choices { display: grid; gap: 10px; }

.ecx__choice { position: relative; display: block; cursor: pointer; }
.ecx__choice input {
    position: absolute;
    opacity: 0;
    inset: 0;
    cursor: pointer;
}

.ecx__choice-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 16px 18px;
    border: 1px solid var(--ecx-line);
    border-radius: var(--ecx-radius-sm);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.ecx__choice:hover .ecx__choice-body { border-color: var(--ecx-line-strong); }

.ecx__choice input:checked + .ecx__choice-body {
    border-color: var(--ecx-brand);
    box-shadow: 0 0 0 1px var(--ecx-brand);
    background: color-mix(in srgb, var(--ecx-brand) 5%, #fff);
}

.ecx__choice input:focus-visible + .ecx__choice-body {
    outline: 2px solid var(--ecx-brand);
    outline-offset: 2px;
}

.ecx__choice-name { font-weight: 600; font-size: 15px; }
.ecx__choice-meta { font-size: 13px; color: var(--ecx-ink-soft); }

/* Fields ------------------------------------------------------------- */
.ecx__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
}

.ecx__field { display: flex; flex-direction: column; gap: 6px; }
.ecx__field label {
    font-size: 13px;
    font-weight: 550;
    color: var(--ecx-ink);
}

.ecx__field input,
.ecx__field select {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--ecx-line-strong);
    border-radius: var(--ecx-radius-sm);
    font: inherit;
    font-size: 15px;
    color: var(--ecx-ink);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease;
    appearance: none;
}

.ecx__field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6069' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
}

.ecx__field input:focus,
.ecx__field select:focus {
    outline: none;
    border-color: var(--ecx-brand);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ecx-brand) 18%, transparent);
}

/* Packages ----------------------------------------------------------- */
.ecx__packages { display: grid; gap: 12px; margin-bottom: 14px; }

.ecx__package {
    border: 1px solid var(--ecx-line);
    border-radius: var(--ecx-radius-sm);
    padding: 14px;
    background: var(--ecx-bg-soft);
}

.ecx__package-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.ecx__package-title { font-size: 13px; font-weight: 600; color: var(--ecx-ink-soft); }

.ecx__package-remove {
    border: none;
    background: none;
    color: var(--ecx-ink-soft);
    font-size: 13px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
}
.ecx__package-remove:hover { color: #b42318; background: #fef3f2; }

.ecx__package-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.ecx__package-grid .ecx__field label { font-size: 11px; color: var(--ecx-ink-soft); }
.ecx__package-grid .ecx__field input { padding: 9px 8px; font-size: 14px; }

/* Result ------------------------------------------------------------- */
.ecx__result {
    border: 1px solid var(--ecx-line);
    border-radius: var(--ecx-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.ecx__price {
    padding: 26px;
    text-align: center;
    background: color-mix(in srgb, var(--ecx-brand) 6%, #fff);
    border-bottom: 1px solid var(--ecx-line);
}

.ecx__price-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--ecx-ink-soft);
    margin-bottom: 4px;
}

.ecx__price-value {
    display: block;
    font-size: clamp(30px, 7vw, 40px);
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--ecx-ink);
    line-height: 1.1;
}

.ecx__price-note {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--ecx-brand);
    font-weight: 550;
}

.ecx__breakdown {
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.ecx__breakdown > div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 13px 18px;
    border-bottom: 1px solid var(--ecx-line);
    border-right: 1px solid var(--ecx-line);
}
.ecx__breakdown > div:nth-child(2n) { border-right: none; }
.ecx__breakdown > div:nth-last-child(-n+2) { border-bottom: none; }

.ecx__breakdown dt { margin: 0; font-size: 13px; color: var(--ecx-ink-soft); }
.ecx__breakdown dd { margin: 0; font-size: 14px; font-weight: 600; text-align: right; }

/* Actions & buttons -------------------------------------------------- */
.ecx__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
}

.ecx__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: var(--ecx-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform .06s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.ecx__btn:active { transform: translateY(1px); }
.ecx__btn:disabled { opacity: .6; cursor: not-allowed; }
.ecx__btn:focus-visible { outline: 2px solid var(--ecx-brand); outline-offset: 2px; }

.ecx__btn--primary {
    background: var(--ecx-brand);
    color: #fff;
}
.ecx__btn--primary:hover,
.ecx__btn--primary:focus-visible,
.ecx__btn--primary:active { background: var(--ecx-accent); }

.ecx__btn--ghost {
    background: #fff;
    border-color: var(--ecx-line-strong);
    color: var(--ecx-ink);
}
.ecx__btn--ghost:hover { border-color: var(--ecx-ink-soft); }

.ecx__btn--link {
    background: none;
    color: var(--ecx-ink-soft);
    padding-left: 4px;
    padding-right: 4px;
}
.ecx__btn--link:hover { color: var(--ecx-ink); }

/* Error / states ----------------------------------------------------- */
.ecx__error {
    margin: 6px 0 0;
    color: #b42318;
    font-size: 13.5px;
    font-weight: 500;
}

.ecx__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.ecx__btn.is-loading { pointer-events: none; opacity: .75; }

/* Success ------------------------------------------------------------ */
.ecx__done { text-align: center; padding: 12px 0; }
.ecx__done-mark {
    width: 56px; height: 56px;
    margin: 0 auto 16px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: color-mix(in srgb, var(--ecx-brand) 12%, #fff);
    color: var(--ecx-brand);
    font-size: 26px; font-weight: 700;
}
.ecx__done-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 22px;
    max-width: 320px;
    margin-inline: auto;
}

/* Responsive --------------------------------------------------------- */
@media (max-width: 560px) {
    .ecx__grid { grid-template-columns: 1fr; }
    .ecx__package-grid { grid-template-columns: repeat(2, 1fr); }
    .ecx__breakdown { grid-template-columns: 1fr; }
    .ecx__breakdown > div { border-right: none; }
    .ecx__breakdown > div:nth-last-child(2) { border-bottom: 1px solid var(--ecx-line); }
    .ecx__steps .ecx__step { font-size: 12px; padding: 5px 10px 5px 5px; }
}

@media (prefers-reduced-motion: reduce) {
    .ecx__panel { animation: none; }
    .ecx__btn { transition: none; }
}