/**
 * KES Smart Password Generator - Frontend Styles
 * تمام کلاس‌ها با پیشوند kes-spg نوشته شده‌اند تا احتمال تداخل با قالب/افزونه‌های دیگر کاهش یابد.
 */

/* ===== ریشه و متغیرهای طراحی رابط عمومی ===== */
.kes-spg {
    --kes-spg-accent: #2563eb;
    --kes-spg-bg: #f8fafc;
    --kes-spg-card: #ffffff;
    --kes-spg-text: #0f172a;
    --kes-spg-muted: #64748b;
    --kes-spg-border: #e2e8f0;
    --kes-spg-success: #0f9f6e;
    --kes-spg-danger: #b91c1c;
    position: relative;
    width: 100%;
    max-width: 1180px;
    margin: 32px auto;
    padding: 28px;
    box-sizing: border-box;
    border: 1px solid var(--kes-spg-border);
    border-radius: 24px;
    background: linear-gradient(180deg, #fff 0%, var(--kes-spg-bg) 100%);
    color: var(--kes-spg-text);
    box-shadow: 0 20px 60px rgba(15, 23, 42, .08);
    font-family: inherit;
}

.kes-spg *, .kes-spg *::before, .kes-spg *::after { box-sizing: border-box; }
.kes-spg button, .kes-spg input { font: inherit; }

.kes-spg__header { margin-bottom: 24px; }
.kes-spg__eyebrow { display: inline-block; margin-bottom: 8px; color: var(--kes-spg-accent); font-weight: 700; font-size: 12px; letter-spacing: .04em; }
.kes-spg__header h2 { margin: 0 0 10px; font-size: clamp(24px, 4vw, 38px); line-height: 1.35; color: var(--kes-spg-text); }
.kes-spg__header > p { max-width: 760px; margin: 0; color: var(--kes-spg-muted); font-size: 15px; line-height: 1.9; }
.kes-spg__privacy-note { display: flex; gap: 8px; align-items: flex-start; margin-top: 16px; padding: 12px 14px; border: 1px solid #bbf7d0; border-radius: 12px; background: #f0fdf4; color: #166534; font-size: 13px; line-height: 1.75; }

/* ===== چیدمان اصلی تنظیمات و نتایج ===== */
.kes-spg__layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 20px; }
.kes-spg__panel, .kes-spg__result-panel { padding: 22px; border: 1px solid var(--kes-spg-border); border-radius: 18px; background: var(--kes-spg-card); }
.kes-spg__control-group { margin-bottom: 18px; }
.kes-spg__label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.kes-spg__label-row label, .kes-spg__label-row span { font-weight: 700; }
.kes-spg__label-row output { min-width: 44px; padding: 5px 9px; border-radius: 10px; background: #eff6ff; color: var(--kes-spg-accent); text-align: center; font-weight: 800; }
.kes-spg__range { width: 100%; accent-color: var(--kes-spg-accent); }

.kes-spg__checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.kes-spg__checks label { display: flex; align-items: center; gap: 8px; min-height: 46px; padding: 10px 12px; border: 1px solid var(--kes-spg-border); border-radius: 12px; background: #fff; cursor: pointer; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.kes-spg__checks label:hover { border-color: color-mix(in srgb, var(--kes-spg-accent) 45%, white); background: #f8fbff; transform: translateY(-1px); }
.kes-spg__checks input { accent-color: var(--kes-spg-accent); }
.kes-spg__checks code { margin-inline-start: auto; direction: ltr; color: var(--kes-spg-muted); font-size: 11px; }

.kes-spg__advanced { margin-top: 16px; }
.kes-spg__advanced details { border-top: 1px dashed var(--kes-spg-border); padding-top: 14px; }
.kes-spg__advanced summary, .kes-spg__history summary { cursor: pointer; font-weight: 700; }
.kes-spg__advanced-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.kes-spg__advanced-grid label { display: grid; gap: 7px; color: var(--kes-spg-muted); font-size: 13px; }
.kes-spg__advanced-grid input { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--kes-spg-border); border-radius: 10px; background: #fff; color: var(--kes-spg-text); }
.kes-spg__advanced-grid input:focus { outline: 2px solid color-mix(in srgb, var(--kes-spg-accent) 25%, transparent); border-color: var(--kes-spg-accent); }

/* ===== دکمه‌های عملیاتی ===== */
.kes-spg__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.kes-spg__primary, .kes-spg__secondary, .kes-spg__copy, .kes-spg__text-button { min-height: 42px; border-radius: 11px; cursor: pointer; transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease; }
.kes-spg__primary { flex: 1 1 180px; padding: 10px 18px; border: 1px solid var(--kes-spg-accent); background: var(--kes-spg-accent); color: #fff; font-weight: 800; box-shadow: 0 8px 18px color-mix(in srgb, var(--kes-spg-accent) 22%, transparent); }
.kes-spg__secondary { padding: 10px 16px; border: 1px solid var(--kes-spg-border); background: #fff; color: var(--kes-spg-text); font-weight: 700; }
.kes-spg__primary:hover, .kes-spg__secondary:hover, .kes-spg__copy:hover, .kes-spg__text-button:hover { transform: translateY(-1px); }

.kes-spg__result-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.kes-spg__result-heading h3 { margin: 0; font-size: 18px; }
.kes-spg__text-button { padding: 7px 10px; border: 0; background: transparent; color: var(--kes-spg-accent); font-weight: 700; }
.kes-spg__results { display: grid; gap: 10px; }
.kes-spg__result-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px; border: 1px solid var(--kes-spg-border); border-radius: 12px; background: #f8fafc; }
.kes-spg__result-number { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 8px; background: #e2e8f0; color: #475569; font-size: 12px; font-weight: 800; }
.kes-spg__result-item code { display: block; overflow-x: auto; padding: 4px 2px; color: #0f172a; background: transparent; font-size: 14px; white-space: nowrap; }
.kes-spg__copy { padding: 6px 10px; border: 1px solid var(--kes-spg-accent); background: #fff; color: var(--kes-spg-accent); font-size: 12px; font-weight: 700; }
.kes-spg__error { padding: 12px 14px; border: 1px solid #fecaca; border-radius: 12px; background: #fef2f2; color: var(--kes-spg-danger); }

/* ===== نمایش قدرت رمز و آنتروپی ===== */
.kes-spg__strength { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--kes-spg-border); }
.kes-spg__meter { overflow: hidden; height: 9px; border-radius: 999px; background: #e2e8f0; }
.kes-spg__meter span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, #ef4444 0%, #f59e0b 45%, #10b981 100%); transition: width .3s ease; }
.kes-spg__strength small { display: block; margin-top: 8px; color: var(--kes-spg-muted); }

.kes-spg__history { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--kes-spg-border); }
.kes-spg__history [data-kes-history] { display: grid; gap: 6px; margin: 12px 0; }
.kes-spg__history code { overflow-x: auto; padding: 8px; border-radius: 8px; background: #f8fafc; direction: ltr; text-align: left; white-space: nowrap; }

.kes-spg__footer { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--kes-spg-border); color: var(--kes-spg-muted); font-size: 12px; text-align: center; }
.kes-spg__footer a { color: var(--kes-spg-accent); font-weight: 700; text-decoration: none; }
.kes-spg__scroll-top { position: fixed; z-index: 9999; right: 22px; bottom: 22px; width: 46px; height: 46px; border: 0; border-radius: 14px; background: var(--kes-spg-accent); color: #fff; font-size: 22px; cursor: pointer; box-shadow: 0 10px 24px rgba(15, 23, 42, .22); }

/* ===== واکنش‌گرایی تبلت و موبایل ===== */
@media (max-width: 820px) {
    .kes-spg { margin: 18px auto; padding: 16px; border-radius: 18px; }
    .kes-spg__layout { grid-template-columns: 1fr; }
    .kes-spg__advanced-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
    .kes-spg__checks { grid-template-columns: 1fr; }
    .kes-spg__panel, .kes-spg__result-panel { padding: 15px; }
    .kes-spg__result-item { grid-template-columns: auto minmax(0, 1fr); }
    .kes-spg__copy { grid-column: 1 / -1; }
}

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