:root {
    --primary: #111827;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --background: #f3f6fb;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --success: #059669;
    --shadow: 0 20px 60px rgba(15, 23, 42, .10);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37,99,235,.10), transparent 35%),
        var(--background);
    color: var(--text);
}

a { color: inherit; }

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
    padding: 35px 0 60px;
}

.page-header { margin-bottom: 22px; }

.page-header h1, .hero h1 {
    margin: 5px 0 10px;
    font-size: clamp(2rem, 5vw, 3.7rem);
    line-height: 1.05;
}

.hero {
    text-align: center;
    padding: 65px 20px 45px;
}

.hero p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.eyebrow {
    display: inline-block;
    color: var(--accent);
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.muted { color: var(--muted); }
.small { font-size: .88rem; }
.hidden { display: none !important; }

.actions { margin-top: 28px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border-radius: 12px;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    transition: transform .15s ease, opacity .15s ease, background .15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }
.btn.primary { background: var(--accent); color: white; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.secondary { background: #eef2ff; color: #3730a3; }
.btn.success { background: var(--success); color: white; }
.btn.dark { background: #111827; color: white; }
.full { width: 100%; }

.info-card, .card {
    background: rgba(255,255,255,.96);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 30px rgba(15,23,42,.04);
}

.info-card {
    max-width: 760px;
    margin: 0 auto;
}

.info-card li { margin-bottom: 11px; line-height: 1.55; }

.mode-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
    padding: 10px;
}

.mode-btn {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
    color: var(--text);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.mode-btn.active {
    background: #eaf1ff;
    border-color: #93c5fd;
    color: #1d4ed8;
}

.notice {
    padding: 14px 16px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    border-radius: 12px;
    margin-bottom: 18px;
    line-height: 1.5;
}

.settings-card { margin-bottom: 20px; }

.generator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.card h2 { margin-top: 0; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font: inherit;
    background: white;
}

.form-group textarea {
    min-height: 95px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid #bfdbfe;
    border-color: var(--accent);
}

.field-help {
    margin-top: 6px;
    color: var(--muted);
    font-size: .78rem;
}

.preview { text-align: center; }

.profile-photo {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 5px 25px rgba(0,0,0,.12);
    background: #e5e7eb;
}

.url-box {
    margin: 18px 0;
    padding: 13px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid var(--border);
    overflow-wrap: anywhere;
}

.url-box a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.qr-box {
    margin: 25px auto;
    width: 300px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.qr-box img {
    max-width: 100%;
    height: auto;
    display: block;
}

.code-box, .package-tree {
    text-align: left;
    background: #111827;
    color: #d1fae5;
    border-radius: 12px;
    padding: 15px;
    font-size: 12px;
    max-height: 280px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.package-tree { margin: 10px 0 0; }

.button-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.button-grid .btn { width: 100%; }

.success-box, .error-box {
    margin-top: 18px;
    padding: 14px;
    border-radius: 12px;
    line-height: 1.5;
}

.success-box {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.success-box a {
    color: #047857;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.error-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.profile-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 15px;
}

.profile {
    width: min(540px, 100%);
    background: rgba(255,255,255,.98);
    border-radius: 30px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.profile-badge {
    display: inline-block;
    padding: 7px 10px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: .7rem;
    font-weight: 900;
    letter-spacing: .12em;
}

.profile-avatar {
    width: 150px;
    height: 150px;
    margin: 22px auto 0;
    display: block;
    object-fit: cover;
    border-radius: 50%;
    border: 6px solid white;
    box-shadow: 0 12px 35px rgba(0,0,0,.15);
}

.profile-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e5e7eb;
    color: #374151;
    font-size: 3.5rem;
    font-weight: 900;
}

.profile h1 { margin: 20px 0 5px; }
.profile .title { color: var(--muted); }
.profile .company { color: var(--text); font-weight: 700; margin-top: 4px; }
.address-item { margin-bottom: 12px; line-height: 1.6; }
.address-item:last-child { margin-bottom: 0; }
.address-item strong { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 3px; }
.profile .about {
    color: #4b5563;
    line-height: 1.7;
    margin: 20px 0;
}

.profile-actions {
    display: grid;
    gap: 10px;
    margin: 25px 0;
}

.profile-actions a,
.profile-actions button { width: 100%; }

.profile-section {
    text-align: left;
    padding: 18px 0;
    border-top: 1px solid var(--border);
}

.profile-section h3 { margin-top: 0; }

.contact-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.contact-row a {
    color: var(--accent);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.profile-footer {
    margin-top: 24px;
    color: #9ca3af;
    font-size: .78rem;
}

.loading {
    text-align: center;
    padding: 50px;
    color: var(--muted);
}

.error {
    max-width: 600px;
    margin: 50px auto;
    padding: 25px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 15px;
}

code {
    background: #f1f5f9;
    padding: 2px 5px;
    border-radius: 5px;
}

@media (max-width: 800px) {
    .generator-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .button-grid { grid-template-columns: 1fr; }
    .container { padding: 20px 0 40px; }
    .mode-switch { grid-template-columns: 1fr; }
}


/* ProfileQR updates */
.input-with-action { display: flex; gap: 8px; align-items: stretch; }
.input-with-action input { flex: 1; min-width: 0; }
.small-btn { padding: 10px 13px; white-space: nowrap; }
.social-input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.company { color: var(--text); font-weight: 700; margin-top: 5px; }
.preview #previewCompany { margin-top: -4px; }
.qr-error { padding: 20px; color: #991b1b; text-align: center; line-height: 1.5; }
.social-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    background: #f8fafc;
    font-weight: 700;
}
.social-link:hover { transform: translateY(-1px); background: #eef2ff; }
.social-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #111827;
    color: white;
    font-weight: 900;
    flex: 0 0 30px;
}
.contact-socials { margin-top: 12px; }
.contact-socials .social-links { grid-template-columns: 1fr; }
.contact-socials .social-link { padding: 7px 0; border: 0; background: transparent; }
.contact-socials .social-link:hover { background: transparent; }

@media (max-width: 600px) {
    .social-input-grid, .social-links { grid-template-columns: 1fr; }
    .input-with-action { flex-direction: column; }
    .small-btn { width: 100%; }
}