/* ==========================================================
   charcountonline.com – white & blue theme
   Typeface: Plus Jakarta Sans (corporate, clean)
   ========================================================== */

:root {
    --blue:        #1d63ed;
    --blue-dark:   #1450c4;
    --blue-deep:   #0d2f6e;
    --blue-soft:   #e8f0fe;
    --blue-ghost:  #f3f7ff;
    --ink:         #1c2b41;
    --muted:       #5a6b84;
    --border:      #dbe5f4;
    --white:       #ffffff;
    --danger:      #d64545;
    --success:     #1d8a4e;
    --shadow-sm:   0 1px 3px rgba(13, 47, 110, .08);
    --shadow-md:   0 6px 24px rgba(13, 47, 110, .10);
    --radius:      14px;
    --font-head:   'Plus Jakarta Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-body:   'Plus Jakarta Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--white);
}

img, svg { display: inline-block; vertical-align: middle; max-width: 100%; }

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

h1, h2, h3 { line-height: 1.2; color: var(--blue-deep); }

h1, h2, .stat-value, .logo-text, .notfound-code {
    font-family: var(--font-head);
    font-weight: 800;
    letter-spacing: -.01em;
}

h3 { font-family: var(--font-body); font-weight: 700; font-size: 1.05rem; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 820px; }
.center { text-align: center; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px;
    margin: -1px; padding: 0; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--blue); color: #fff; padding: 10px 16px;
    z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */

.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex; align-items: center; gap: 28px;
    height: 64px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo:hover { text-decoration: none; }
.logo-text { font-size: 1.25rem; color: var(--blue-deep); letter-spacing: .03em; }
.logo-accent { color: var(--blue); }

.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
    padding: 8px 14px; border-radius: 8px;
    color: var(--ink); font-weight: 500; font-size: .95rem;
}
.main-nav a:hover { background: var(--blue-ghost); text-decoration: none; }
.main-nav a.active { color: var(--blue); background: var(--blue-soft); }

.header-right { display: flex; align-items: center; gap: 8px; }

.lang-switch { position: relative; }
.lang-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 12px; font: 600 .85rem var(--font-body);
    color: var(--ink); background: var(--white);
    border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
}
.lang-btn:hover { border-color: var(--blue); color: var(--blue); }

.lang-menu {
    position: absolute; right: 0; top: calc(100% + 6px);
    min-width: 150px; padding: 6px; list-style: none;
    background: var(--white); border: 1px solid var(--border);
    border-radius: 10px; box-shadow: var(--shadow-md);
    display: none; z-index: 110;
}
.lang-menu.open { display: block; }
.lang-menu a {
    display: block; padding: 8px 12px; border-radius: 6px;
    color: var(--ink); font-size: .92rem;
}
.lang-menu a:hover { background: var(--blue-ghost); text-decoration: none; }
.lang-menu a.active { color: var(--blue); font-weight: 600; background: var(--blue-soft); }

.nav-toggle {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 40px; padding: 0 9px;
    background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
}
.nav-toggle span {
    height: 2px; background: var(--blue-deep); border-radius: 2px;
    transition: transform .2s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
    background: linear-gradient(180deg, var(--blue-ghost) 0%, var(--white) 100%);
    padding: 44px 0 8px;
    text-align: center;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); }
.hero-sub {
    max-width: 640px; margin: 10px auto 0;
    color: var(--muted); font-size: 1.05rem;
}

.page-hero {
    background: linear-gradient(180deg, var(--blue-ghost) 0%, var(--white) 100%);
    padding: 48px 0 20px; text-align: center;
}
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.page-updated { color: var(--muted); font-size: .9rem; margin-top: 8px; }

/* ---------- Tool ---------- */

.tool-section { padding: 20px 0 8px; }

.tool-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 22px;
}

.stat-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}
.stat {
    background: var(--blue-ghost);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 10px 12px;
    text-align: center;
}
.stat-main { background: var(--blue); border-color: var(--blue); }
.stat-main .stat-value, .stat-main .stat-label { color: #fff; }
.stat-value {
    display: block; font-size: 1.9rem; color: var(--blue);
    line-height: 1.1; word-break: break-all;
}
.stat-label {
    display: block; margin-top: 4px;
    font-size: .78rem; font-weight: 600; color: var(--muted);
    text-transform: uppercase; letter-spacing: .05em;
}

.toolbar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    padding: 10px; margin-bottom: 12px;
    background: var(--blue-ghost);
    border: 1px solid var(--border); border-radius: 10px;
}
.toolbar-spacer { flex: 1; }
.tool-btn {
    padding: 7px 13px;
    font: 600 .82rem var(--font-body);
    color: var(--blue-deep);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
    white-space: nowrap;
}
.tool-btn:hover { border-color: var(--blue); color: var(--blue); }
.tool-btn:active { background: var(--blue-soft); }
.tool-btn:disabled { opacity: .45; cursor: default; }
.tool-btn:disabled:hover { border-color: var(--border); color: var(--blue-deep); }
.tool-btn-danger:hover { border-color: var(--danger); color: var(--danger); }

.text-input {
    width: 100%;
    min-height: 340px;
    padding: 18px;
    font: 400 1.05rem/1.7 var(--font-body);
    color: var(--ink);
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    resize: vertical;
    transition: border-color .15s, box-shadow .15s;
}
.text-input:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(29, 99, 237, .12);
}

.tool-note { margin-top: 10px; font-size: .85rem; color: var(--muted); }

.mini-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-top: 16px;
}
.mini-stat {
    padding: 10px 12px;
    background: var(--blue-ghost);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: .78rem; font-weight: 600; color: var(--muted);
    text-transform: uppercase; letter-spacing: .04em;
}
.mini-stat span {
    display: block; font: 700 1.15rem var(--font-body);
    color: var(--blue-deep); text-transform: none; letter-spacing: 0;
    overflow-wrap: anywhere;
}

/* ---------- Panels: density & limits ---------- */

.tool-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}
.panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 20px 22px;
}
.panel-title { font-size: 1.2rem; }
.panel-hint { font-size: .85rem; color: var(--muted); margin: 4px 0 14px; }
.panel-empty { color: var(--muted); font-size: .92rem; padding: 18px 0; text-align: center; }

.density-wrap { max-height: 420px; overflow-y: auto; }
.density-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.density-table th {
    text-align: left; padding: 8px 10px;
    font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
    color: var(--muted); border-bottom: 2px solid var(--border);
    position: sticky; top: 0; background: var(--white);
}
.density-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.density-table td:first-child { font-weight: 600; color: var(--blue-deep); overflow-wrap: anywhere; }
.density-table tr:hover td { background: var(--blue-ghost); }

.limits-list { list-style: none; display: grid; gap: 14px; }
.limit-item { }
.limit-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.limit-name { font-weight: 600; font-size: .92rem; }
.limit-count { font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.limit-bar {
    height: 8px; margin: 6px 0 4px;
    background: var(--blue-soft); border-radius: 99px; overflow: hidden;
}
.limit-fill {
    height: 100%; width: 0%;
    background: var(--blue); border-radius: 99px;
    transition: width .25s ease, background .25s;
}
.limit-item.over .limit-fill { background: var(--danger); }
.limit-item.warn .limit-fill { background: #e8a13c; }
.limit-status { font-size: .78rem; color: var(--muted); }
.limit-item.over .limit-status { color: var(--danger); font-weight: 600; }

/* ---------- Content sections ---------- */

.content-section { padding: 52px 0; }
.section-alt { background: var(--blue-ghost); }

.content-section h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 16px; }
.section-title { text-align: center; margin-bottom: 30px; }
.content-section p + p { margin-top: 14px; }
.content-section p { color: #33445f; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.feature-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 20px;
    box-shadow: var(--shadow-sm);
    transition: transform .15s, box-shadow .15s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-num {
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 1.15rem; color: var(--blue);
    background: var(--blue-soft);
    border-radius: 8px;
    display: inline-block; padding: 2px 10px;
    margin-bottom: 10px;
}
.feature-card h3 { margin-bottom: 6px; }
.feature-card p { font-size: .9rem; color: var(--muted); }

.steps { list-style: none; display: grid; gap: 22px; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step-num {
    flex: 0 0 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-head); font-weight: 800; font-size: 1.2rem;
    color: #fff; background: var(--blue); border-radius: 12px;
}
.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); font-size: .95rem; }

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.why-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.why-card h3 { margin-bottom: 6px; }
.why-card p { font-size: .9rem; color: var(--muted); }

/* ---------- FAQ ---------- */

.faq-list { display: grid; gap: 10px; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.faq-item summary {
    padding: 16px 46px 16px 18px;
    font-weight: 600; cursor: pointer;
    list-style: none; position: relative;
    color: var(--blue-deep);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    position: absolute; right: 18px; top: 50%;
    transform: translateY(-50%);
    font: 400 1.4rem var(--font-head);
    color: var(--blue);
    transition: transform .2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--border); background: var(--blue-ghost); }
.faq-item p { padding: 14px 18px 18px; color: #33445f; font-size: .95rem; }

/* ---------- Forms ---------- */

.contact-form { margin-top: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-weight: 600; font-size: .9rem;
}
.form-group input, .form-group textarea {
    width: 100%; padding: 12px 14px;
    font: 400 1rem var(--font-body); color: var(--ink);
    border: 2px solid var(--border); border-radius: 10px;
    background: var(--white);
    transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(29, 99, 237, .12);
}
.form-group textarea { resize: vertical; min-height: 160px; }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.btn {
    display: inline-block;
    padding: 10px 20px;
    font: 600 .95rem var(--font-body);
    border-radius: 10px; border: 2px solid transparent;
    cursor: pointer; text-align: center;
    transition: background .15s, border-color .15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: transparent; color: var(--blue-deep); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-lg { padding: 13px 30px; font-size: 1rem; }

.alert { padding: 14px 18px; border-radius: 10px; margin: 18px 0; font-size: .95rem; }
.alert ul { margin-left: 18px; }
.alert-success { background: #e7f6ee; border: 1px solid #b5e3c9; color: var(--success); }
.alert-error { background: #fdeaea; border: 1px solid #f2c4c4; color: var(--danger); }

.cta-line { font-size: 1.05rem; }

/* ---------- Legal / misc pages ---------- */

.legal-content h2 { font-size: 1.35rem; margin: 26px 0 8px; }
.legal-content h2:first-child { margin-top: 0; }

.notfound { padding: 90px 0; }
.notfound-code {
    font-size: clamp(4rem, 12vw, 7rem);
    color: var(--blue-soft);
    line-height: 1;
}
.notfound h1 { margin: 10px 0; }
.notfound .btn { margin-top: 18px; }

/* ---------- Footer ---------- */

.site-footer {
    margin-top: 40px;
    background: var(--blue-deep);
    color: #c9d8f2;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
    padding: 48px 0 36px;
}
.logo-footer .logo-text { color: #fff; }
.logo-footer .logo-accent { color: #7aa7ff; }
.footer-tagline { margin-top: 14px; font-size: .9rem; line-height: 1.6; max-width: 340px; }
.footer-email { margin-top: 10px; font-size: .9rem; }
.footer-email a { color: #7aa7ff; }

.footer-col h2 {
    font: 600 .8rem var(--font-body);
    color: #8fa9d6;
    text-transform: uppercase; letter-spacing: .08em;
    margin-bottom: 14px;
}
.footer-col ul { list-style: none; display: grid; gap: 9px; }
.footer-col a { color: #dce7fa; font-size: .92rem; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
    padding: 18px 0 26px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: .85rem; color: #8fa9d6;
}

/* ---------- Cookie banner ---------- */

.cookie-banner {
    position: fixed; left: 16px; right: 16px; bottom: 16px;
    z-index: 150;
    display: flex; justify-content: center;
}
/* The author display:flex above would override the hidden attribute's
   UA display:none – restore it explicitly so the banner can close. */
.cookie-banner[hidden] { display: none; }
.cookie-inner {
    display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
    max-width: 860px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(13, 47, 110, .18);
    padding: 16px 22px;
}
.cookie-inner p { flex: 1 1 320px; font-size: .88rem; color: var(--ink); }
.cookie-actions { display: flex; gap: 10px; }

/* ---------- Toast ---------- */

.toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translate(-50%, 20px);
    background: var(--blue-deep); color: #fff;
    padding: 11px 22px; border-radius: 99px;
    font-size: .9rem; font-weight: 500;
    opacity: 0; pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 160;
    box-shadow: var(--shadow-md);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ==========================================================
   Responsive
   ========================================================== */

@media (max-width: 960px) {
    .feature-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-panels { grid-template-columns: 1fr; }
    .stat-strip { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 700px) {
    .header-inner { height: 58px; gap: 12px; }

    .main-nav {
        display: none;
        position: absolute; left: 0; right: 0; top: 100%;
        flex-direction: column; gap: 2px;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 10px 16px 14px;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 12px 14px; }

    .nav-toggle { display: flex; }

    .hero { padding: 30px 0 4px; }
    .tool-card { padding: 14px; }
    .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-value { font-size: 1.5rem; }
    .text-input { min-height: 280px; padding: 14px; font-size: 1rem; }

    .toolbar { gap: 6px; padding: 8px; }
    .tool-btn { padding: 7px 10px; font-size: .78rem; }
    .toolbar-spacer { display: none; }

    .feature-grid, .why-grid, .form-row { grid-template-columns: 1fr; }
    .content-section { padding: 38px 0; }

    .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 36px 0 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .cookie-inner { padding: 14px 16px; }
    .cookie-actions { width: 100%; }
    .cookie-actions .btn { flex: 1; }
}

@media (max-width: 380px) {
    .stat-strip { grid-template-columns: repeat(2, 1fr); }
    .logo-text { font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}