/* ─────────────────────────────────────────────────────────────────────────
   EcomAI Simulator — Stylesheet
   Matches the EcomAiBridge dark-navy brand palette.
   ───────────────────────────────────────────────────────────────────────── */

/* ── Custom properties ──────────────────────────────────────────────────── */
:root {
    --navy-900:   #08111f;
    --navy-800:   #0f1e38;
    --navy-700:   #162240;
    --navy-600:   #1e2f52;
    --navy-400:   #3d5a8a;
    --amber:      #f59e0b;
    --amber-dark: #d97706;
    --amber-light:#fef3c7;
    --green:      #10b981;
    --green-light:#d1fae5;
    --red:        #ef4444;
    --red-light:  #fee2e2;
    --white:      #ffffff;
    --grey-50:    #f8fafc;
    --grey-100:   #f1f5f9;
    --grey-200:   #e2e8f0;
    --grey-300:   #cbd5e1;
    --grey-400:   #94a3b8;
    --grey-500:   #64748b;
    --grey-700:   #334155;
    --grey-900:   #0f172a;

    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
    --shadow-lg:  0 10px 40px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);

    --font-body:  'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--grey-700);
    background: var(--grey-100);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.site-header {
    background: var(--navy-800);
    border-bottom: 1px solid var(--navy-600);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -.3px;
    text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand__logo { flex-shrink: 0; }

.brand__ai {
    color: var(--amber);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: var(--grey-300);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color .2s;
}
.nav-link:hover { color: var(--white); text-decoration: none; }

.btn-pro {
    background: var(--amber);
    color: var(--navy-900);
    font-size: 13px;
    font-weight: 700;
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: background .2s, transform .1s;
    white-space: nowrap;
}
.btn-pro:hover { background: var(--amber-dark); text-decoration: none; transform: translateY(-1px); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
    background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
    padding: 64px 0 56px;
    text-align: center;
}

.hero__inner { display: flex; flex-direction: column; align-items: center; gap: 18px; }

.hero__badge {
    background: rgba(245, 158, 11, .15);
    border: 1px solid rgba(245, 158, 11, .3);
    color: var(--amber);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 5px 14px;
    border-radius: 99px;
}

.hero__title {
    color: var(--white);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.5px;
}

.hero__highlight {
    color: var(--amber);
    position: relative;
}

.hero__subtitle {
    color: var(--grey-300);
    font-size: 16px;
    max-width: 520px;
    line-height: 1.65;
}

/* ── Main ───────────────────────────────────────────────────────────────── */
.main {
    padding: 40px 0 80px;
}

/* ── Card ───────────────────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* ── Input card ─────────────────────────────────────────────────────────── */
.input-card {
    padding: 32px;
    margin-bottom: 24px;
}

.input-card__label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--grey-500);
    margin-bottom: 12px;
}

.input-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 13px;
    color: var(--grey-400);
    pointer-events: none;
    flex-shrink: 0;
}

.store-input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    border: 2px solid var(--grey-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--grey-900);
    background: var(--grey-50);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}

.store-input:focus {
    border-color: var(--amber);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, .12);
    background: var(--white);
}

.store-input::placeholder { color: var(--grey-400); }

.btn-run {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--navy-800);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 22px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background .2s, transform .1s, box-shadow .2s;
}

.btn-run:hover {
    background: var(--amber);
    color: var(--navy-900);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, .3);
}

.btn-run:active { transform: translateY(0); }

.btn-run:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-run__arrow { transition: transform .2s; }
.btn-run:hover .btn-run__arrow { transform: translateX(3px); }

.input-hint {
    margin-top: 10px;
    font-size: 13px;
    color: var(--grey-400);
}

.input-error {
    margin-top: 10px;
    padding: 10px 14px;
    background: var(--red-light);
    border: 1px solid #fca5a5;
    border-radius: var(--radius-sm);
    color: #b91c1c;
    font-size: 13px;
    font-weight: 500;
}

/* ── Autorun bar (replaces input card in autorun mode) ──────────────────── */
.autorun-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 12px 18px;
    margin-bottom: 16px;
    color: var(--grey-500);
    font-size: 13px;
    animation: fadeIn .3s ease;
}

.autorun-bar svg { flex-shrink: 0; color: var(--grey-400); }

.autorun-bar__label {
    font-weight: 600;
    color: var(--grey-700);
    white-space: nowrap;
}

.autorun-bar__url {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--amber-dark);
    word-break: break-all;
}

/* ── Steps container ────────────────────────────────────────────────────── */
.steps-container {
    margin-bottom: 24px;
    animation: fadeIn .35s ease;
}

.steps-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 14px;
    padding: 0 4px;
}

.steps-header__title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--grey-500);
}

.steps-header__store {
    font-size: 13px;
    color: var(--grey-400);
    font-family: var(--font-mono);
    word-break: break-all;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Step card ──────────────────────────────────────────────────────────── */
.step {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--grey-200);
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
    animation: slideIn .3s ease;
}

.step--loading {
    border-left-color: var(--amber);
    box-shadow: 0 2px 12px rgba(245, 158, 11, .12);
}

.step--success {
    border-left-color: var(--green);
}

.step--error {
    border-left-color: var(--red);
}

.step__header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
}

.step__num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--grey-100);
    border: 2px solid var(--grey-200);
    color: var(--grey-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    transition: all .3s;
}

.step--loading .step__num {
    background: rgba(245, 158, 11, .12);
    border-color: var(--amber);
    color: var(--amber);
}

.step--success .step__num {
    background: var(--green);
    border-color: var(--green);
    color: var(--white);
}

.step--error .step__num {
    background: var(--red);
    border-color: var(--red);
    color: var(--white);
}

.step__info {
    flex: 1;
    min-width: 0;
}

.step__name {
    font-weight: 600;
    font-size: 14px;
    color: var(--grey-900);
}

.step--pending .step__name { color: var(--grey-400); }

.step__path {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--grey-400);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.step--loading .step__path { color: var(--amber-dark); }
.step--success .step__path { color: var(--grey-500); }

.step__status {
    flex-shrink: 0;
}

.step__badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 99px;
}

.step__badge--pending {
    background: var(--grey-100);
    color: var(--grey-400);
}

.step__badge--loading {
    background: rgba(245, 158, 11, .1);
    color: var(--amber-dark);
}

.step__badge--success {
    background: var(--green-light);
    color: #065f46;
}

.step__badge--error {
    background: var(--red-light);
    color: #991b1b;
}

/* Loading spinner inside badge */
.spinner {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(245, 158, 11, .3);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    display: inline-block;
}

/* ── Step body (data preview) ───────────────────────────────────────────── */
.step__body {
    border-top: 1px solid var(--grey-100);
    padding: 12px 18px 14px;
    background: var(--grey-50);
    animation: fadeIn .3s ease;
}

.step__url {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--grey-400);
    margin-bottom: 10px;
    word-break: break-all;
}

.step__data {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 6px 20px;
}

.step__row {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.step__key {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--grey-400);
}

.step__val {
    font-size: 13px;
    color: var(--grey-700);
    font-weight: 500;
    word-break: break-word;
}

.step__val--mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ── Results ────────────────────────────────────────────────────────────── */
.results-container {
    margin-bottom: 40px;
    animation: fadeIn .4s ease;
}

.results-card {
    padding: 36px;
    text-align: center;
}

.results-score {
    margin-bottom: 20px;
}

.score-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    padding: 12px 28px;
    border-radius: 99px;
    letter-spacing: -.3px;
    margin-bottom: 6px;
}

.score-badge--full {
    background: var(--green-light);
    color: #064e3b;
    border: 2px solid #6ee7b7;
}

.score-badge--mostly {
    background: #fef3c7;
    color: #78350f;
    border: 2px solid #fcd34d;
}

.score-badge--partial {
    background: #ffedd5;
    color: #7c2d12;
    border: 2px solid #fdba74;
}

.score-badge--fail {
    background: var(--red-light);
    color: #7f1d1d;
    border: 2px solid #fca5a5;
}

.score-fraction {
    font-size: 13px;
    color: var(--grey-400);
    margin-top: 4px;
}

.results-summary {
    font-size: 16px;
    color: var(--grey-700);
    line-height: 1.7;
    max-width: 540px;
    margin: 0 auto 28px;
}

.results-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-share {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--amber);
    color: var(--navy-900);
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 22px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, transform .1s;
}
.btn-share:hover { background: var(--amber-dark); transform: translateY(-1px); }

.btn-rerun {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--white);
    color: var(--grey-700);
    border: 2px solid var(--grey-200);
    border-radius: var(--radius-md);
    padding: 9px 20px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.btn-rerun:hover { border-color: var(--grey-400); color: var(--grey-900); }

.btn-upgrade-results {
    display: inline-flex;
    align-items: center;
    background: var(--navy-800);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: background .2s, transform .1s;
}
.btn-upgrade-results:hover { background: var(--navy-600); text-decoration: none; transform: translateY(-1px); }

/* ── How It Works ───────────────────────────────────────────────────────── */
.how-it-works {
    margin-top: 16px;
    padding: 36px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.how__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 20px;
    text-align: center;
}

.how__steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.how__step {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.how__num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--navy-800);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.how__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 13px;
}

.how__text strong {
    font-weight: 600;
    color: var(--grey-900);
}

.how__text span { color: var(--grey-500); line-height: 1.5; }

.how__text code {
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--grey-100);
    padding: 1px 4px;
    border-radius: 3px;
    color: var(--grey-700);
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--navy-800);
    border-top: 1px solid var(--navy-600);
    padding: 20px 0;
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.site-footer__brand {
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}
.site-footer__brand strong { color: var(--amber); }

.site-footer__copy {
    color: var(--grey-400);
    font-size: 13px;
}

.site-footer__links {
    display: flex;
    gap: 16px;
}
.site-footer__links a {
    color: var(--grey-400);
    font-size: 13px;
    text-decoration: none;
    transition: color .2s;
}
.site-footer__links a:hover { color: var(--white); text-decoration: none; }

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grey-900);
    color: var(--white);
    padding: 12px 22px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    white-space: nowrap;
    animation: toastIn .25s ease;
}

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .input-row { flex-direction: column; }
    .btn-run   { justify-content: center; }

    .input-card,
    .results-card,
    .how-it-works { padding: 22px; }

    .hero { padding: 44px 0 36px; }

    .site-footer__inner { flex-direction: column; text-align: center; }
    .site-footer__links { justify-content: center; }

    .how__steps { grid-template-columns: 1fr; }

    .results-actions { flex-direction: column; align-items: stretch; }
    .results-actions > * { text-align: center; justify-content: center; }

    .site-nav .nav-link { display: none; }
}