/* ==========================================================================
   سامانهٔ پشتیبانی — استایل مشترک (کاربر + پنل مدیریت)
   ========================================================================== */

.sup-page,
.sup-admin {
    --sup-bg: #f7faf9;
    --sup-card: #ffffff;
    --sup-line: #e3ece9;
    --sup-ink: #14312e;
    --sup-muted: #6b8a86;
    --sup-brand: #00857a;
    --sup-brand-dark: #00655d;
    --sup-ok: #0f9d58;
    --sup-warn: #d97706;
    --sup-danger: #dc2626;
    --sup-info: #2563eb;
    --sup-radius: 14px;
    --sup-shadow: 0 1px 2px rgba(16, 40, 38, .05), 0 8px 24px rgba(16, 40, 38, .06);

    box-sizing: border-box;
    color: var(--sup-ink);
    background: var(--sup-bg);
    min-height: 60vh;
    padding: 28px 16px 64px;
    font-size: 15px;
    line-height: 1.85;
}

.sup-page *,
.sup-admin * { box-sizing: border-box; }

.sup-wrap {
    max-width: 980px;
    margin: 0 auto;
}

/* ── سربرگ ─────────────────────────────────────────────────────── */

.sup-hero { text-align: center; margin-bottom: 28px; }

.sup-hero-icon {
    width: 68px; height: 68px; margin: 0 auto 14px;
    display: grid; place-items: center;
    font-size: 32px;
    background: linear-gradient(135deg, #e6f7f4, #d3f0ea);
    border-radius: 22px;
}

.sup-hero-title { margin: 0 0 6px; font-size: 27px; font-weight: 800; letter-spacing: -.2px; }
.sup-hero-sub { margin: 0 auto; max-width: 620px; color: var(--sup-muted); font-size: 14.5px; }

/* ── مهمان ──────────────────────────────────────────────────────── */

.sup-guest-cta { margin-bottom: 22px; }

.sup-guest-box {
    background: var(--sup-card);
    border: 1px solid var(--sup-line);
    border-radius: var(--sup-radius);
    padding: 22px 24px;
    box-shadow: var(--sup-shadow);
    display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
}
.sup-guest-box h2 { margin: 0; font-size: 18px; font-weight: 700; }
.sup-guest-box p { margin: 0; color: var(--sup-muted); font-size: 14px; flex: 1 1 260px; }
.sup-guest-box .sup-btn { flex: 0 0 auto; }

/* ── نوار ابزار ─────────────────────────────────────────────────── */

.sup-toolbar {
    display: flex; flex-wrap: wrap; gap: 12px;
    align-items: center; justify-content: space-between;
    margin-bottom: 18px;
}

.sup-tabs {
    display: flex; flex-wrap: wrap; gap: 6px;
    background: var(--sup-card);
    border: 1px solid var(--sup-line);
    border-radius: 12px;
    padding: 5px;
}

.sup-tab {
    display: inline-flex; align-items: center; gap: 6px;
    border: 0; background: transparent;
    font: inherit; font-size: 13.5px; font-weight: 600;
    color: var(--sup-muted);
    padding: 7px 13px; border-radius: 9px;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.sup-tab:hover { background: #f0f7f5; color: var(--sup-ink); }
.sup-tab.is-active { background: var(--sup-brand); color: #fff; }

.sup-tab-n {
    display: inline-grid; place-items: center;
    min-width: 21px; height: 21px; padding: 0 5px;
    border-radius: 999px;
    background: #eef4f3; color: var(--sup-muted);
    font-size: 12px; font-weight: 700;
}
.sup-tab.is-active .sup-tab-n { background: rgba(255, 255, 255, .25); color: #fff; }

.sup-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.sup-search {
    font: inherit; font-size: 14px;
    padding: 9px 14px;
    border: 1px solid var(--sup-line);
    border-radius: 10px;
    background: var(--sup-card);
    min-width: 190px; color: var(--sup-ink);
}
.sup-search:focus { outline: 2px solid var(--sup-brand); outline-offset: 1px; }

/* ── دکمه‌ها ────────────────────────────────────────────────────── */

.sup-btn {
    display: inline-flex; align-items: center; gap: 7px;
    font: inherit; font-size: 14px; font-weight: 700;
    border: 1px solid transparent; border-radius: 10px;
    padding: 9px 16px; cursor: pointer;
    transition: filter .15s, background .15s, border-color .15s;
    white-space: nowrap;
}
.sup-btn:focus-visible { outline: 2px solid var(--sup-brand); outline-offset: 2px; }
.sup-btn:disabled { opacity: .5; cursor: not-allowed; }

.sup-btn--primary { background: var(--sup-brand); color: #fff; }
.sup-btn--primary:hover:not(:disabled) { background: var(--sup-brand-dark); }

.sup-btn--ghost {
    background: var(--sup-card);
    color: var(--sup-ink);
    border-color: var(--sup-line);
}
.sup-btn--ghost:hover:not(:disabled) { background: #f2f8f7; border-color: #cfe0dd; }

.sup-btn--sm { padding: 7px 12px; font-size: 13px; }
.sup-plus { font-size: 17px; line-height: 1; margin-top: -2px; }

/* ── اعلان‌ها ───────────────────────────────────────────────────── */

.sup-notice {
    border-radius: 11px; padding: 12px 16px; margin-bottom: 16px;
    font-size: 14px; font-weight: 600;
    border: 1px solid transparent;
}
.sup-notice--warn { background: #fff8ec; color: #8a5200; border-color: #f6dfb3; }

/* ── فهرست ──────────────────────────────────────────────────────── */

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

.sup-item {
    display: block; width: 100%; text-align: start;
    background: var(--sup-card);
    border: 1px solid var(--sup-line);
    border-radius: var(--sup-radius);
    padding: 15px 18px;
    font: inherit; color: inherit;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, transform .1s;
}
.sup-item:hover { border-color: #bcd8d4; box-shadow: var(--sup-shadow); }
.sup-item:focus-visible { outline: 2px solid var(--sup-brand); outline-offset: 2px; }
.sup-item.is-unread { border-inline-start: 3px solid var(--sup-brand); }

.sup-item-top {
    display: flex; align-items: center; gap: 8px;
    flex-wrap: wrap; margin-bottom: 5px;
}
.sup-item-ref { font-weight: 800; font-size: 13px; color: var(--sup-brand); }
.sup-item-subject { font-weight: 700; font-size: 15.5px; }
.sup-item-time { margin-inline-start: auto; font-size: 12.5px; color: var(--sup-muted); white-space: nowrap; }
.sup-item-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 7px; }

.sup-item-preview {
    font-size: 13.5px; color: var(--sup-muted);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.sup-item-label { font-size: 12.5px; color: var(--sup-muted); margin-top: 5px; }

/* نشان‌ها */
.sup-chip {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; font-weight: 700;
    padding: 3px 9px; border-radius: 999px;
    background: #eef4f3; color: var(--sup-muted);
    white-space: nowrap;
}
.sup-chip i { font-style: normal; }

.st-open    { background: #e8f4ff; color: #155e9e; }
.st-progress { background: #fff4e5; color: #92590a; }
.st-done    { background: #e6f7ed; color: #0a6b3d; }
.st-closed  { background: #eef1f2; color: #66787a; }

.pr-urgent { background: #fdeaea; color: #a41c1c; }
.pr-high   { background: #fff1e2; color: #9a4d09; }
.pr-normal { background: #eef2f3; color: #55707a; }
.pr-low    { background: #f2f5f5; color: #7b8f90; }

.sup-chip--cat { background: #f3eefb; color: #5b3fa8; }

/* ── حالت‌های خالی / بارگذاری ──────────────────────────────────── */

.sup-empty {
    text-align: center; padding: 54px 20px;
    background: var(--sup-card);
    border: 1px dashed #cfe0dd; border-radius: var(--sup-radius);
}
.sup-empty-icon { font-size: 40px; margin-bottom: 10px; }
.sup-empty h3 { margin: 0 0 6px; font-size: 18px; }
.sup-empty p { margin: 0 auto 16px; color: var(--sup-muted); max-width: 420px; font-size: 14px; }

.sup-loading { text-align: center; padding: 44px; color: var(--sup-muted); font-size: 14px; }
.sup-spin {
    display: inline-block; width: 18px; height: 18px; margin-inline-end: 8px;
    border: 2px solid #d3e3e0; border-top-color: var(--sup-brand);
    border-radius: 50%; animation: sup-spin .7s linear infinite;
    vertical-align: -3px;
}
@keyframes sup-spin { to { transform: rotate(360deg); } }

/* ── صفحه‌بندی ──────────────────────────────────────────────────── */

.sup-pager {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; margin-top: 22px; flex-wrap: wrap;
    font-size: 13.5px; color: var(--sup-muted);
}
.sup-pager button {
    font: inherit; font-weight: 700;
    min-width: 36px; height: 36px; padding: 0 10px;
    border: 1px solid var(--sup-line); background: var(--sup-card);
    color: var(--sup-ink); border-radius: 9px; cursor: pointer;
}
.sup-pager button:hover:not(:disabled) { background: #f2f8f7; }
.sup-pager button.is-active { background: var(--sup-brand); color: #fff; border-color: var(--sup-brand); }
.sup-pager button:disabled { opacity: .4; cursor: not-allowed; }

/* ── مودال ─────────────────────────────────────────────────────── */

.sup-modal {
    position: fixed; inset: 0; z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    padding: 18px;
}
.sup-modal[hidden] { display: none; }

.sup-modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(10, 32, 30, .5);
    backdrop-filter: blur(2px);
    animation: sup-fade .18s ease;
}
@keyframes sup-fade { from { opacity: 0; } }

.sup-modal-box {
    position: relative;
    width: 100%; max-width: 620px;
    max-height: 90vh; overflow: auto;
    background: var(--sup-card);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(10, 32, 30, .28);
    animation: sup-pop .2s ease;
}
.sup-modal--wide .sup-modal-box { max-width: 800px; }
@keyframes sup-pop { from { transform: translateY(14px) scale(.985); opacity: 0; } }

.sup-modal-head {
    position: sticky; top: 0; z-index: 2;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
    padding: 18px 22px 14px;
    background: var(--sup-card);
    border-bottom: 1px solid var(--sup-line);
}
.sup-modal-head h2 { margin: 0; font-size: 19px; font-weight: 800; }

.sup-x {
    border: 0; background: #f1f6f5; color: var(--sup-muted);
    width: 32px; height: 32px; border-radius: 9px;
    font-size: 21px; line-height: 1; cursor: pointer; flex: 0 0 auto;
}
.sup-x:hover { background: #e6efee; color: var(--sup-ink); }

/* ── فرم ───────────────────────────────────────────────────────── */

.sup-form { padding: 18px 22px 22px; }

.sup-field { margin-bottom: 15px; }

.sup-field label,
.sup-label {
    display: block; margin-bottom: 6px;
    font-size: 13.5px; font-weight: 700; color: var(--sup-ink);
}
.sup-req { color: var(--sup-danger); }

.sup-field input[type=text],
.sup-field input[type=tel],
.sup-field input[type=email],
.sup-field input[type=search],
.sup-field select,
.sup-field textarea,
.sup-reply textarea {
    width: 100%; font: inherit; font-size: 14.5px;
    color: var(--sup-ink);
    background: #fbfdfd;
    border: 1px solid var(--sup-line);
    border-radius: 10px;
    padding: 10px 13px;
    line-height: 1.7;
    resize: vertical;
}
.sup-field input:focus,
.sup-field select:focus,
.sup-field textarea:focus,
.sup-reply textarea:focus {
    outline: none; border-color: var(--sup-brand);
    box-shadow: 0 0 0 3px rgba(0, 133, 122, .13);
}
.sup-field.is-error input,
.sup-field.is-error textarea { border-color: var(--sup-danger); }

.sup-hint { display: block; margin-top: 5px; font-size: 12.5px; color: var(--sup-muted); }
.sup-hint.is-error { color: var(--sup-danger); font-weight: 600; }

.sup-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.sup-file {
    display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
    background: #fbfdfd; border: 1px dashed #cfe0dd;
    border-radius: 10px; padding: 10px 12px;
}
.sup-file-name { font-size: 13px; color: var(--sup-muted); word-break: break-all; }
.sup-file-clear {
    border: 0; background: transparent; color: var(--sup-muted);
    font-size: 19px; line-height: 1; cursor: pointer; padding: 0 4px;
}
.sup-file-clear:hover { color: var(--sup-danger); }

.sup-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.sup-form-msg {
    margin-top: 12px; padding: 10px 14px;
    border-radius: 10px; font-size: 13.5px; font-weight: 600;
}
.sup-form-msg.is-ok  { background: #e6f7ed; color: #0a6b3d; }
.sup-form-msg.is-err { background: #fdeaea; color: #a41c1c; }

.sup-modal-foot {
    display: flex; justify-content: flex-end; gap: 9px;
    margin-top: 20px; padding-top: 16px;
    border-top: 1px solid var(--sup-line);
}

/* ── گفتگو ─────────────────────────────────────────────────────── */

.sup-thread {
    padding: 18px 22px;
    max-height: 46vh; overflow-y: auto;
    background: #fbfdfd;
    display: flex; flex-direction: column; gap: 12px;
}

.sup-thread-head h2 { font-size: 17px; }
.sup-thread-meta { font-size: 12.5px; color: var(--sup-muted); margin-top: 3px; }
.sup-thread-context {
    margin: 0 22px 14px; padding: 10px 14px;
    background: #f1f8f7; border: 1px solid #d5e9e6;
    border-radius: 10px; font-size: 13px; color: var(--sup-muted);
}
.sup-thread-context strong { color: var(--sup-ink); }

.sup-msg {
    max-width: 82%;
    padding: 11px 15px;
    border-radius: 14px;
    background: var(--sup-card);
    border: 1px solid var(--sup-line);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.sup-msg--user {
    align-self: flex-end;
    background: #e7f5f3;
    border-color: #cfe7e3;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 4px;
}
.sup-msg--internal {
    align-self: stretch; max-width: 100%;
    background: #fff8ec; border-color: #f2ddb4; border-style: dashed;
}

.sup-msg-head {
    display: flex; align-items: center; gap: 7px;
    font-size: 12.5px; font-weight: 700; color: var(--sup-muted);
    margin-bottom: 5px;
}
.sup-msg-time { font-weight: 500; margin-inline-start: auto; }
.sup-msg-body { font-size: 14.5px; white-space: pre-wrap; word-break: break-word; }

.sup-msg-file {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 8px; padding: 7px 12px;
    background: #fff; border: 1px solid var(--sup-line);
    border-radius: 9px; font-size: 13px; font-weight: 600;
    color: var(--sup-brand); cursor: pointer; text-decoration: none;
}
.sup-msg-file:hover { background: #f2f8f7; }

.sup-tag-internal {
    font-size: 11.5px; font-weight: 800;
    background: var(--sup-warn); color: #fff;
    padding: 2px 7px; border-radius: 6px;
}

/* ── نوار پاسخ ─────────────────────────────────────────────────── */

.sup-reply { padding: 14px 22px 20px; border-top: 1px solid var(--sup-line); }
.sup-reply-bar { display: flex; align-items: center; gap: 8px; margin-top: 9px; flex-wrap: wrap; }
.sup-reply-bar .sup-btn--primary { margin-inline-start: auto; }
.sup-reply-bar .sup-file-name { font-size: 12.5px; }

.sup-internal {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12.5px; color: var(--sup-muted); cursor: pointer;
}

/* ── موبایل ────────────────────────────────────────────────────── */

@media (max-width: 720px) {
    .sup-page, .sup-admin { padding: 20px 12px 48px; font-size: 14.5px; }
    .sup-grid2 { grid-template-columns: 1fr; }
    .sup-toolbar { flex-direction: column; align-items: stretch; }
    .sup-actions { width: 100%; }
    .sup-search { flex: 1 1 auto; min-width: 0; }
    .sup-tabs { width: 100%; }
    .sup-item-time { margin-inline-start: 0; width: 100%; }
    .sup-msg { max-width: 94%; }
    .sup-modal { padding: 0; align-items: flex-end; }
    .sup-modal-box { max-height: 94vh; border-radius: 18px 18px 0 0; }
    .sup-thread { max-height: 40vh; }
}

@media (prefers-reduced-motion: reduce) {
    .sup-page *, .sup-admin * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}