/* ═══ catramai.ro — stiluri comune ═══════════════════════════════ */
:root {
    --bg: #f2f2f7;
    --card: #ffffff;
    --text: #1c1c1e;
    --text2: #6e6e73;
    --text3: #8e8e93;
    --blue: #0071e3;
    --blue-dark: #0058b0;
    --blue-soft: #eaf3ff;
    --green: #1f9d3a;
    --green-soft: #eefbf1;
    --red: #d70015;
    --red-soft: #fff1f0;
    --amber: #b25e00;
    --amber-soft: #fff7e6;
    --border: #e5e5ea;
    --border2: #f2f2f7;
    --input: #f2f2f7;
    --input-hover: #ebebf0;
    --input-focus: #ffffff;
    --seg-net: #28cd41;
    --seg-cas: #0a84ff;
    --seg-cass: #5e5ce6;
    --seg-imp: #ff9f0a;
    --seg-other: #ff375f;
    --shadow: 0 2px 8px rgba(0,0,0,0.05), 0 8px 32px rgba(0,0,0,0.07);
    --radius: 18px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #000000; --card: #1c1c1e; --text: #f5f5f7; --text2: #a1a1a6; --text3: #8e8e93;
        --blue: #2997ff; --blue-dark: #0a84ff; --blue-soft: #0b2540;
        --green: #30d158; --green-soft: #0f2a17; --red: #ff6961; --red-soft: #3a1414;
        --amber: #ffb340; --amber-soft: #33240a;
        --border: #38383a; --border2: #2c2c2e; --input: #2c2c2e; --input-hover: #3a3a3c; --input-focus: #1c1c1e;
        --shadow: 0 2px 8px rgba(0,0,0,0.4); color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --bg: #000000; --card: #1c1c1e; --text: #f5f5f7; --text2: #a1a1a6; --text3: #8e8e93;
    --blue: #2997ff; --blue-dark: #0a84ff; --blue-soft: #0b2540;
    --green: #30d158; --green-soft: #0f2a17; --red: #ff6961; --red-soft: #3a1414;
    --amber: #ffb340; --amber-soft: #33240a;
    --border: #38383a; --border2: #2c2c2e; --input: #2c2c2e; --input-hover: #3a3a3c; --input-focus: #1c1c1e;
    --shadow: 0 2px 8px rgba(0,0,0,0.4); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg); color: var(--text);
    line-height: 1.5; min-height: 100vh;
    display: flex; flex-direction: column;
}
main { flex: 1; padding-bottom: 40px; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ═══ NAV ════════════════════════════════════════════════════════ */
.header {
    position: sticky; top: 0; z-index: 1000;
    background: color-mix(in srgb, var(--card) 88%, transparent);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.nav-container {
    max-width: 760px; margin: 0 auto; padding: 0 16px; height: 56px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.logo {
    display: flex; align-items: center; gap: 9px; flex-shrink: 0;
    font-size: 17px; font-weight: 700; color: var(--text);
    text-decoration: none; letter-spacing: -0.3px;
}
.logo img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
    text-decoration: none; color: var(--text2); white-space: nowrap;
    font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--input); }
.badge-new {
    display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: .3px;
    background: var(--blue); color: #fff; border-radius: 6px; padding: 1px 5px; margin-left: 4px;
    vertical-align: 1px;
}

/* ═══ LAYOUT ═════════════════════════════════════════════════════ */
.content-card {
    max-width: 720px; margin: 28px auto; background: var(--card);
    border-radius: var(--radius); padding: clamp(20px, 5vw, 44px);
    box-shadow: var(--shadow); scroll-margin-top: 72px;
}
h1 { font-size: clamp(26px, 5vw, 36px); font-weight: 800; text-align: center; letter-spacing: -0.8px; margin-bottom: 10px; line-height: 1.15; }
h2 { font-size: clamp(20px, 4vw, 26px); font-weight: 750; text-align: center; margin-bottom: 12px; letter-spacing: -0.5px; line-height: 1.2; }
h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }
.subtitle { text-align: center; color: var(--text2); font-size: clamp(15px, 3vw, 17px); margin: 0 auto 18px; line-height: 1.6; max-width: 560px; }
.subtitle strong { color: var(--text); }
.section-intro { text-align: center; color: var(--text2); margin-bottom: 28px; font-size: 15px; }
.updated-chip {
    display: flex; justify-content: center; margin-bottom: 26px;
}
.updated-chip span {
    font-size: 12.5px; font-weight: 600; color: var(--green);
    background: var(--green-soft); padding: 5px 12px; border-radius: 999px;
}

/* ═══ INPUTURI ═══════════════════════════════════════════════════ */
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.input-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.input-group > label, .field-label { font-size: 13px; font-weight: 600; color: var(--text2); }
.input-wrap { position: relative; }
.input-wrap .suffix {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    font-size: 14px; color: var(--text3); pointer-events: none; font-weight: 500;
}
.input-group input[type="number"], .input-group input[type="text"], .input-group select {
    width: 100%; padding: 12px 14px; background: var(--input);
    border: 1.5px solid transparent; border-radius: var(--radius-xs);
    font-size: 16px; font-family: inherit; color: var(--text);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
    outline: none; appearance: none; -webkit-appearance: none; -moz-appearance: textfield;
}
.input-wrap input { padding-right: 48px !important; }
.input-group input::-webkit-outer-spin-button, .input-group input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.input-group 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='%238e8e93' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer;
}
.input-group input:focus, .input-group select:focus {
    border-color: var(--blue); background-color: var(--input-focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent);
}
.input-group input:hover:not(:focus), .input-group select:hover:not(:focus) { background-color: var(--input-hover); }
.hint { font-size: 12px; color: var(--text3); min-height: 16px; }
.full-width-group { background: var(--input); padding: 16px 18px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.full-width-group h3 { font-size: 14px; margin-bottom: 12px; }
.full-width-group .input-group input, .full-width-group .input-group select { background-color: var(--card); }

.checkbox-label { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; font-weight: 500; color: var(--text); cursor: pointer; padding: 4px 0; }
.checkbox-label input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--blue); flex-shrink: 0; }
.checkbox-label small { display: block; color: var(--text3); font-weight: 400; font-size: 12.5px; }

/* Segmented control */
.segmented { display: flex; background: var(--input); border-radius: var(--radius-xs); padding: 4px; gap: 3px; margin-bottom: 18px; }
.segmented button, .segmented label {
    flex: 1; border: none; background: transparent; font: inherit; cursor: pointer;
    padding: 9px 10px; border-radius: 6px; font-size: 14px; font-weight: 500; color: var(--text2);
    text-align: center; transition: all 0.18s;
}
.segmented .active, .segmented [aria-pressed="true"] { background: var(--card); color: var(--text); font-weight: 650; box-shadow: 0 1px 4px rgba(0,0,0,0.12); }

/* ═══ BUTOANE ════════════════════════════════════════════════════ */
.cta-button {
    width: 100%; padding: 15px; background: var(--blue); color: #fff; border: none;
    border-radius: var(--radius-sm); font-size: 16px; font-weight: 650; font-family: inherit;
    cursor: pointer; margin-top: 8px; transition: background 0.15s, transform 0.12s, box-shadow 0.15s;
}
.cta-button:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 4px 16px color-mix(in srgb, var(--blue) 35%, transparent); }
.cta-button:active { transform: none; }
.btn-secondary {
    background: var(--input); color: var(--text); border: none; font: inherit; font-weight: 600; font-size: 14px;
    padding: 10px 16px; border-radius: var(--radius-xs); cursor: pointer;
}
.btn-secondary:hover { background: var(--input-hover); }

/* ═══ REZULTATE ══════════════════════════════════════════════════ */
.results-container { margin-top: 24px; }
.results-container:empty { display: none; }
.results-container h2 { font-size: 17px; text-align: left; margin: 20px 0 6px; }
.result-hero {
    background: var(--green-soft); border-radius: var(--radius-sm); padding: 20px; text-align: center;
}
.result-hero .label { font-size: 14px; font-weight: 600; color: var(--text2); }
.result-hero .value { font-size: clamp(30px, 7vw, 42px); font-weight: 800; color: var(--green); letter-spacing: -1px; line-height: 1.15; margin: 4px 0; font-variant-numeric: tabular-nums; }
.result-hero .sub { font-size: 14px; color: var(--text2); }
.result-hero .sub strong { color: var(--text); }
.stack-bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden; margin: 16px 0 8px; background: var(--border); gap: 2px; }
.stack-bar span { display: block; height: 100%; min-width: 3px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--text2); justify-content: center; }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 5px; vertical-align: 0; }
.result-item {
    display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
    padding: 11px 0; border-bottom: 1px solid var(--border2);
}
.result-item span:first-child { color: var(--text2); font-size: 14px; }
.result-item span:last-child { font-weight: 650; font-size: 15.5px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.result-item.neg span:last-child { color: var(--red); }
.result-item.pos span:last-child { color: var(--green); }
.result-item.total { border-bottom: none; }
.result-item.total span { color: var(--text) !important; font-weight: 750 !important; }
.results-section-label { font-size: 12px; font-weight: 650; color: var(--text3); text-transform: uppercase; letter-spacing: 0.7px; margin: 18px 0 2px; }
.alert {
    background: var(--amber-soft); color: var(--text); border-radius: var(--radius-xs);
    padding: 10px 14px; font-size: 13.5px; margin-top: 10px; line-height: 1.55;
    border-left: 3px solid var(--amber);
}
.alert.error { background: var(--red-soft); border-left-color: var(--red); }
.alert.info { background: var(--blue-soft); border-left-color: var(--blue); }
.loading { text-align: center; color: var(--text2); padding: 20px; font-size: 14px; }

/* ═══ CONȚINUT / GHID ═══════════════════════════════════════════ */
.prose h2 { margin-top: 8px; }
.prose h3 { margin: 30px 0 8px; scroll-margin-top: 72px; }
.prose p, .prose ul, .prose ol { color: var(--text2); font-size: 15px; margin-bottom: 12px; line-height: 1.7; }
.prose ul, .prose ol { padding-left: 20px; }
.prose li { margin-bottom: 4px; }
.prose strong { color: var(--text); font-weight: 650; }
.prose a { text-decoration: none; font-weight: 500; }
.prose a:hover { text-decoration: underline; }
.prose hr { border: 0; height: 1px; background: var(--border); margin: 28px 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 0 0 8px; padding: 0; list-style: none; }
.toc a { display: inline-block; font-size: 13px; font-weight: 600; text-decoration: none; color: var(--text); background: var(--input); padding: 6px 12px; border-radius: 999px; }
.toc a:hover { background: var(--input-hover); text-decoration: none; }
.info-box { background: var(--input); border-radius: var(--radius-sm); padding: 18px 20px; margin: 14px 0; }
.info-box .lead { font-weight: 650; color: var(--text); font-size: 15px; margin-bottom: 10px; }
.info-box .exemplu {
    font-size: 13.5px; color: var(--text2); background: var(--card); padding: 12px 14px;
    border-radius: var(--radius-xs); margin: 10px 0; border-left: 3px solid var(--blue); line-height: 1.7;
}
.info-box .nota { font-size: 12.5px; color: var(--text3); margin-top: 10px; margin-bottom: 0; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 10px 0; }
.data-table { width: 100%; min-width: 320px; font-size: 13.5px; border-collapse: collapse; }
.data-table th { padding: 8px 10px; color: var(--text3); font-weight: 650; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); text-align: left; }
.data-table td { padding: 10px; border-bottom: 1px solid var(--border2); vertical-align: top; color: var(--text); font-variant-numeric: tabular-nums; }
.data-table tr:last-child td { border-bottom: none; }
.data-table .col-red { color: var(--red); font-weight: 550; }
.data-table .col-green { color: var(--green); font-weight: 550; }
.data-table .col-muted { color: var(--text2); }

/* ═══ FAQ ════════════════════════════════════════════════════════ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color 0.15s; }
.faq-item[open] { border-color: var(--blue); }
.faq-item summary {
    padding: 15px 18px; font-size: 15px; font-weight: 650; color: var(--text); cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 12px; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--blue); flex-shrink: 0; transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--input); }
.faq-item p { padding: 14px 18px 18px; font-size: 14.5px; color: var(--text2); line-height: 1.7; border-top: 1px solid var(--border2); }
.faq-item p strong { color: var(--text); }

/* ═══ PROMO / BANNERE ═══════════════════════════════════════════ */
.promo-card {
    display: flex; align-items: center; gap: 16px; text-decoration: none; color: inherit;
    border-radius: var(--radius-sm); border: 1.5px solid var(--border); padding: 16px 18px; margin: 16px 0;
    transition: border-color .15s, box-shadow .15s, transform .12s; background: var(--card);
}
.promo-card:hover { border-color: var(--blue); box-shadow: 0 4px 16px color-mix(in srgb, var(--blue) 16%, transparent); transform: translateY(-1px); }
.promo-card .promo-icon { font-size: 28px; flex-shrink: 0; }
.promo-card .promo-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.promo-card .promo-tag { font-size: 11px; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.6px; }
.promo-card strong { font-size: 15px; color: var(--text); }
.promo-card .promo-desc { font-size: 13px; color: var(--text2); }
.promo-card .promo-cta { background: var(--blue); color: #fff; padding: 9px 16px; border-radius: 8px; font-size: 14px; font-weight: 650; white-space: nowrap; flex-shrink: 0; }
.promo-card.sponsored { background: linear-gradient(135deg, var(--blue-soft) 0%, var(--card) 100%); border-color: color-mix(in srgb, var(--blue) 45%, transparent); }

/* ═══ FOOTER ═════════════════════════════════════════════════════ */
.footer { background: var(--card); border-top: 1px solid var(--border); padding: 28px 20px; text-align: center; }
.footer-inner { max-width: 720px; margin: 0 auto; }
.footer-logo { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 10px; text-decoration: none; }
.footer-logo img { width: 26px; height: 26px; border-radius: 6px; }
.footer p { font-size: 13px; color: var(--text3); line-height: 1.6; }
.footer-links { display: flex; gap: 8px 18px; justify-content: center; margin-top: 14px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--text2); text-decoration: none; font-weight: 500; }
.footer-links a:hover { color: var(--text); }
.theme-toggle { background: none; border: 1px solid var(--border); color: var(--text2); font: inherit; font-size: 12.5px; padding: 5px 10px; border-radius: 999px; cursor: pointer; margin-top: 14px; }

/* ═══ MOBILE ═════════════════════════════════════════════════════ */
@media (max-width: 760px) { .content-card { margin: 14px 12px; border-radius: 16px; } }
@media (max-width: 600px) {
    .input-grid { grid-template-columns: 1fr; gap: 12px; }
    .promo-card { flex-wrap: wrap; }
    .promo-card .promo-cta { width: 100%; text-align: center; }
}
@media (max-width: 420px) {
    .nav-links a { font-size: 13px; padding: 6px 8px; }
    .logo span { display: none; }
    .content-card { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }