/* ============================================================================
   Crypto.ssr — App shell & navigation (responsive)
   Desktop (>=1024px): top nav bar.  Mobile: top bar + bottom nav + drawer.
   ========================================================================== */

#app { min-height: 100dvh; display: flex; flex-direction: column; }

.app-main {
    flex: 1;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: var(--sp-4) var(--sp-4) calc(var(--bottomnav-h) + var(--sp-6));
}
@media (min-width: 1024px) {
    .app-main { padding: var(--sp-8) var(--sp-6) var(--sp-16); }
}

/* Route transition */
.route-fade-enter-active { transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
.route-fade-enter-from { opacity: 0; transform: translateY(6px); }

/* ---- Brand lockup -------------------------------------------------------- */
.brand { display: inline-flex; align-items: center; gap: var(--sp-2); font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; }
.brand__logo {
    width: 30px; height: 30px; border-radius: 8px; flex: none;
    display: block; object-fit: contain;
    box-shadow: 0 2px 10px -3px rgba(10, 26, 64, 0.55);
}
/* Legacy text-mark fallback (kept so any remaining lockup still renders). */
.brand__mark {
    width: 30px; height: 30px; border-radius: 9px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    color: #fff; font-size: 17px; font-weight: 700; flex: none;
    box-shadow: 0 2px 8px -2px var(--brand);
}
.brand__name { font-size: var(--fs-h4); }
.brand__name b { color: var(--brand); }

/* ======================= DESKTOP TOP NAV ================================= */
.topnav { display: none; }
@media (min-width: 1024px) {
    .topnav {
        position: sticky; top: 0; z-index: 50;
        display: flex; align-items: center; gap: var(--sp-6);
        height: var(--nav-h); padding: 0 var(--sp-6);
        background: color-mix(in srgb, var(--surface) 88%, transparent);
        backdrop-filter: saturate(180%) blur(12px);
        border-bottom: 1px solid var(--border);
    }
    .topnav__links { display: flex; align-items: center; gap: var(--sp-1); margin-left: var(--sp-4); }
    .topnav__link {
        position: relative; padding: var(--sp-2) var(--sp-3);
        font-size: var(--fs-body); font-weight: 500; color: var(--text-2);
        border-radius: var(--r-sm); transition: color var(--dur-fast), background var(--dur-fast);
    }
    .topnav__link:hover { color: var(--text); background: var(--surface-2); }
    .topnav__link.is-active { color: var(--brand); }
    .topnav__link.is-active::after {
        content: ''; position: absolute; left: var(--sp-3); right: var(--sp-3); bottom: -1px;
        height: 2px; background: var(--brand); border-radius: 2px;
    }
    .topnav__spacer { flex: 1; }
    .topnav__actions { display: flex; align-items: center; gap: var(--sp-2); }
}

/* ======================= MOBILE TOP BAR ================================== */
.topbar {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    height: var(--topbar-h); padding: 0 var(--sp-4);
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}
.topbar__actions { display: flex; align-items: center; gap: var(--sp-1); }
@media (min-width: 1024px) { .topbar { display: none; } }

/* Icon button (used in both bars) */
.iconbtn {
    width: 40px; height: 40px; border-radius: var(--r-sm);
    display: grid; place-items: center; color: var(--text-2);
    transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-out);
    position: relative;
}
.iconbtn:hover { background: var(--surface-2); color: var(--text); }
.iconbtn:active { transform: scale(0.94); }
.iconbtn svg { width: 22px; height: 22px; }
.iconbtn__dot {
    position: absolute; top: 8px; right: 8px; width: 7px; height: 7px;
    background: var(--down); border-radius: 50%; border: 2px solid var(--surface);
}

/* ======================= MOBILE BOTTOM NAV =============================== */
.bottomnav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
    display: flex; align-items: flex-end; justify-content: space-around;
    height: var(--bottomnav-h); padding-bottom: env(safe-area-inset-bottom, 0);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-top: 1px solid var(--border);
}
@media (min-width: 1024px) { .bottomnav { display: none; } }
.bottomnav__item {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: var(--sp-2) 0; color: var(--text-3);
    font-size: 10px; font-weight: 600; letter-spacing: 0.01em;
    transition: color var(--dur-fast);
}
.bottomnav__item svg { width: 24px; height: 24px; }
.bottomnav__item.is-active { color: var(--brand); }
/* Center "Trade" — raised accent button */
.bottomnav__center { position: relative; }
.bottomnav__center .bottomnav__fab {
    width: 52px; height: 52px; margin-top: -22px; border-radius: 50%;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-strong));
    box-shadow: 0 6px 16px -4px var(--brand);
    transition: transform var(--dur-fast) var(--ease-out);
}
.bottomnav__center:active .bottomnav__fab { transform: scale(0.94); }
.bottomnav__center .bottomnav__fab svg { width: 26px; height: 26px; }

/* ======================= DRAWER ========================================== */
.drawer-scrim {
    position: fixed; inset: 0; z-index: 60;
    background: rgba(8, 12, 20, 0.5);
    backdrop-filter: blur(2px);
}
.drawer {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 61;
    width: min(360px, 88vw);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column;
    overflow-y: auto;
}
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4); }
.drawer__account {
    margin: 0 var(--sp-4) var(--sp-4);
    padding: var(--sp-4); border-radius: var(--r-md);
    background: var(--surface-2);
    display: flex; align-items: center; gap: var(--sp-3);
}
.drawer__avatar {
    width: 48px; height: 48px; border-radius: 50%; flex: none;
    background: linear-gradient(135deg, var(--brand), var(--gold));
    display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 18px;
    font-family: var(--font-display);
}
.drawer__uid { display: flex; gap: var(--sp-3); margin-top: 2px; }
.drawer__section { padding: var(--sp-2) var(--sp-4) var(--sp-4); }
.drawer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-2) var(--sp-1); }
.drawer__cell {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: var(--sp-3) 2px; border-radius: var(--r-sm);
    font-size: var(--fs-caption); color: var(--text-2); text-align: center; line-height: 1.2;
    transition: background var(--dur-fast);
}
.drawer__cell:hover { background: var(--surface-2); }
.drawer__cell svg { width: 24px; height: 24px; color: var(--text); }

/* drawer slide / scrim fade */
.drawer-enter-active, .drawer-leave-active { transition: transform var(--dur) var(--ease-out); }
.drawer-enter-from, .drawer-leave-to { transform: translateX(100%); }
.scrim-enter-active, .scrim-leave-active { transition: opacity var(--dur) var(--ease-out); }
.scrim-enter-from, .scrim-leave-to { opacity: 0; }

/* Mode toggle (Live / Simulated) */
.drawer__simbtn {
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2);
    margin: 0 var(--sp-4) var(--sp-4); padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-md); background: var(--gold-weak); color: var(--gold);
    font-weight: 600; text-align: left; transition: filter var(--dur-fast);
}
.drawer__simbtn:hover { filter: brightness(1.04); }
.drawer__simbtn b { color: var(--gold); }

/* ======================= FLOATING CHAT =================================== */
.chatfab {
    position: fixed; z-index: 55;
    right: var(--sp-4); bottom: calc(var(--bottomnav-h) + var(--sp-4));
    width: 54px; height: 54px; border-radius: 50%;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(135deg, var(--up), #0ea5a5);
    box-shadow: 0 8px 20px -6px rgba(14, 203, 129, .6);
    transition: transform var(--dur-fast) var(--ease-out);
}
.chatfab:hover { transform: translateY(-2px); }
.chatfab:active { transform: scale(0.94); }
.chatfab svg { width: 28px; height: 28px; }
.chatfab__badge { position: absolute; top: -2px; right: -2px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: var(--r-pill); background: var(--down); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; border: 2px solid var(--surface); }
@media (min-width: 1024px) { .chatfab { bottom: var(--sp-6); right: var(--sp-6); } }

/* ======================= SUPPORT CHAT =================================== */
.chat {
    position: fixed; z-index: 71; left: 0; right: 0; bottom: 0; margin: 0 auto;
    width: 100%; max-width: 460px; height: min(80dvh, 620px);
    display: flex; flex-direction: column;
    background: var(--surface); border-radius: var(--r-xl) var(--r-xl) 0 0; box-shadow: var(--shadow-lg);
}
@media (min-width: 1024px) { .chat { right: var(--sp-6); left: auto; bottom: var(--sp-6); margin: 0; border-radius: var(--r-lg); height: 560px; } }
.chat__head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4); border-bottom: 1px solid var(--border); }
.chat__avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--up), #0ea5a5); }
.chat__body { flex: 1; overflow-y: auto; padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-3); }
.chat__empty { margin: auto; display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); text-align: center; }
.chat__msg { display: flex; flex-direction: column; max-width: 78%; }
.chat__msg.is-me { align-self: flex-end; align-items: flex-end; }
.chat__msg.is-them { align-self: flex-start; align-items: flex-start; }
.chat__bubble { padding: var(--sp-3) var(--sp-4); border-radius: var(--r-md); font-size: var(--fs-small); line-height: 1.45; word-break: break-word; }
.chat__msg.is-me .chat__bubble { background: var(--brand); color: #fff; border-bottom-right-radius: var(--r-xs); }
.chat__msg.is-them .chat__bubble { background: var(--surface-2); color: var(--text); border-bottom-left-radius: var(--r-xs); }
.chat__time { font-size: 10px; margin-top: 3px; }
.chat__input { display: flex; gap: var(--sp-2); padding: var(--sp-3); border-top: 1px solid var(--border); align-items: center; }
.chat__input input { flex: 1; height: 44px; padding: 0 var(--sp-4); background: var(--surface-2); border: 1px solid transparent; border-radius: var(--r-pill); color: var(--text); outline: none; }
.chat__input input:focus { border-color: var(--brand); background: var(--surface); }
.chat__input .btn { height: 44px; border-radius: var(--r-pill); }

/* ======================= GENERIC PAGE HEADER / EMPTY ===================== */
.page-head { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.page-head__back { margin-left: -8px; }
.page-title { font-size: var(--fs-h2); }

.placeholder {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: var(--sp-3); padding: var(--sp-16) var(--sp-4); text-align: center; color: var(--text-3);
    border: 1px dashed var(--border-strong); border-radius: var(--r-lg);
}
.placeholder__icon { width: 56px; height: 56px; color: var(--text-muted); }

/* ======================= TOAST ========================================== */
.toast {
    position: fixed; left: 50%; bottom: calc(var(--bottomnav-h) + var(--sp-5)); transform: translateX(-50%);
    z-index: 80; max-width: calc(100vw - var(--sp-8));
    padding: var(--sp-3) var(--sp-5); border-radius: var(--r-pill);
    background: var(--text); color: var(--bg);
    font-size: var(--fs-small); font-weight: 600; box-shadow: var(--shadow-lg);
}
.toast--info    { background: var(--text); }
.toast--success { background: var(--up); color: #fff; }
.toast--error   { background: var(--down); color: #fff; }
@media (min-width: 1024px) { .toast { bottom: var(--sp-8); } }

/* ===== Language picker ===================================================== */
.lang-scrim {
    position: fixed; inset: 0; z-index: 90;
    background: rgba(8, 12, 20, 0.5);
    backdrop-filter: blur(2px);
}
.langsheet {
    position: fixed; z-index: 91;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: min(420px, calc(100vw - var(--sp-8)));
    max-height: min(80dvh, 640px);
    display: flex; flex-direction: column;
    background: var(--surface); border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg); overflow: hidden;
    outline: none;
}
.langsheet__head {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--sp-4) var(--sp-4) var(--sp-3);
    border-bottom: 1px solid var(--border);
}
.langsheet__head h3 { font-size: var(--fs-h4); font-weight: 700; }
.langsheet__list {
    padding: var(--sp-3); overflow-y: auto; overscroll-behavior: contain;
    display: flex; flex-direction: column; gap: var(--sp-1);
}
.langopt {
    display: flex; align-items: center; gap: var(--sp-3);
    width: 100%; padding: var(--sp-3) var(--sp-4);
    border: 1.5px solid transparent; border-radius: var(--r-md);
    background: transparent; color: var(--text); text-align: left;
    font-size: var(--fs-body); font-weight: 500; cursor: pointer;
    transition: background var(--dur-fast), border-color var(--dur-fast);
}
.langopt:hover { background: var(--surface-2); }
.langopt.is-on { border-color: var(--brand); background: var(--brand-weak); font-weight: 600; }
.langopt__flag {
    flex: 0 0 auto; width: 28px; height: 20px; object-fit: cover;
    border-radius: 4px; box-shadow: 0 0 0 1px var(--border);
    background: var(--surface-2);
}
.langopt__flag--fb {
    display: inline-grid; place-items: center;
    font-size: var(--fs-caption); font-weight: 700; color: var(--text-3);
    letter-spacing: 0.02em;
}
.langopt__name { flex: 1 1 auto; min-width: 0; }
.langopt__check { color: var(--brand); flex: 0 0 auto; }

/* modal pop transition */
.langpop-enter-active { transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
.langpop-leave-active { transition: opacity var(--dur-fast) ease, transform var(--dur-fast) ease; }
.langpop-enter-from, .langpop-leave-to { opacity: 0; transform: translate(-50%, -48%) scale(0.97); }
@media (prefers-reduced-motion: reduce) {
    .langpop-enter-from, .langpop-leave-to { transform: translate(-50%, -50%); }
}

/* ===== RTL (فارسی) ======================================================== */
/* The app is authored LTR with physical properties; setting dir=rtl on <html>
   mirrors text/inline flow. These targeted rules fix the spots where physical
   direction would otherwise look wrong in Arabic-script layout. */
[dir="rtl"] body { text-align: right; }
[dir="rtl"] .drawer { right: auto; left: 0; }
[dir="rtl"] .drawer-enter-from, [dir="rtl"] .drawer-leave-to { transform: translateX(-100%); }
[dir="rtl"] .num { direction: ltr; unicode-bidi: embed; }
[dir="rtl"] .langopt, [dir="rtl"] .langsheet__head { text-align: right; }
[dir="rtl"] .chatfab { right: auto; left: var(--sp-4); }

/* ===== Notification center (the bell) ===================================== */
.iconbtn__badge {
    position: absolute; top: 3px; right: 2px;
    min-width: 16px; height: 16px; padding: 0 4px;
    display: grid; place-items: center;
    font-size: 10px; font-weight: 700; line-height: 1;
    color: #fff; background: var(--down);
    border-radius: var(--r-pill); border: 2px solid var(--surface);
}
.notif-scrim { position: fixed; inset: 0; z-index: 90; background: rgba(8, 12, 20, 0.4); }
.notifpanel {
    position: fixed; z-index: 91;
    top: calc(var(--topbar-h) + var(--sp-2)); right: var(--sp-3); left: var(--sp-3);
    max-height: calc(100dvh - var(--topbar-h) - var(--sp-5));
    display: flex; flex-direction: column;
    background: var(--surface); border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg); overflow: hidden;
}
@media (min-width: 1024px) {
    .notifpanel { top: calc(var(--nav-h) + var(--sp-2)); right: var(--sp-6); left: auto; width: 400px; }
}
[dir="rtl"] .notifpanel { right: auto; left: var(--sp-3); }
@media (min-width: 1024px) { [dir="rtl"] .notifpanel { left: var(--sp-6); right: auto; } }
.notifpanel__head {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--sp-3) var(--sp-3) var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--border);
}
.notifpanel__head h3 { font-size: var(--fs-h4); font-weight: 700; }
.notifpanel__body { overflow-y: auto; overscroll-behavior: contain; }
.notif-empty {
    display: flex; flex-direction: column; align-items: center; gap: var(--sp-3);
    text-align: center; padding: var(--sp-10) var(--sp-6);
}
.notif-list { list-style: none; }
.notif-row {
    display: flex; align-items: flex-start; gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border-2);
    position: relative;
}
.notif-row:last-child { border-bottom: 0; }
.notif-row.is-unread { background: var(--brand-weak); }
.notif-ic {
    flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--surface-2); color: var(--text-2);
}
.notif-ic--up    { background: var(--up-weak);    color: var(--up); }
.notif-ic--down  { background: var(--down-weak);  color: var(--down); }
.notif-ic--gold  { background: var(--gold-weak);  color: var(--gold); }
.notif-ic--brand { background: var(--brand-weak); color: var(--brand); }
.notif-row__main { flex: 1 1 auto; min-width: 0; }
.notif-row__top { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2); }
.notif-row__title { font-size: var(--fs-body); font-weight: 600; }
.notif-row__time { flex: 0 0 auto; font-size: var(--fs-caption); }
.notif-row__body { font-size: var(--fs-small); margin-top: 2px; word-break: break-word; }
.notif-row__dot { position: absolute; top: var(--sp-3); right: var(--sp-2); width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
[dir="rtl"] .notif-row__dot { right: auto; left: var(--sp-2); }

/* panel drop-in transition */
.notifpop-enter-active { transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
.notifpop-leave-active { transition: opacity var(--dur-fast) ease, transform var(--dur-fast) ease; }
.notifpop-enter-from, .notifpop-leave-to { opacity: 0; transform: translateY(-8px); }