/* ============================================================
   FitCheck PRO — انتقالات سينمائية بين الصفحات
   Page Transition Overlay + Reveal + Micro-interactions
   ============================================================ */

/* ─── ستارة الانتقال بين الصفحات ─── */
#pageTransitionOverlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: radial-gradient(circle at 50% 50%, #17171b 0%, #0a0a0c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 1;
    transition: opacity .45s cubic-bezier(.65,0,.35,1), visibility .45s;
}
#pageTransitionOverlay.hide {
    opacity: 0;
    visibility: hidden;
}
#pageTransitionOverlay.show-exit {
    opacity: 1;
    pointer-events: all;
}
#pageTransitionOverlay .pt-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: ptPulse 1.1s ease-in-out infinite;
}
#pageTransitionOverlay .pt-logo i {
    font-size: 34px;
    color: #ccff00;
    filter: drop-shadow(0 0 14px rgba(204,255,0,0.55));
}
#pageTransitionOverlay .pt-bar {
    width: 120px;
    height: 3px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    overflow: hidden;
    position: relative;
}
#pageTransitionOverlay .pt-bar::after {
    content: '';
    position: absolute;
    top:0; right:100%;
    width: 55%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #ccff00, transparent);
    animation: ptSweep 1s ease-in-out infinite;
}
@keyframes ptSweep {
    0%   { right: 100%; }
    100% { right: -55%; }
}
@keyframes ptPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.06); opacity: .85; }
}

/* ─── ظهور محتوى الصفحة بعد زوال الستارة ─── */
body.pt-reveal main,
body.pt-reveal header,
body.pt-reveal footer,
body.pt-reveal nav {
    animation: ptContentIn .65s cubic-bezier(.16,1,.3,1) both;
}
body.pt-reveal header { animation-delay: .02s; }
body.pt-reveal main   { animation-delay: .08s; }
body.pt-reveal footer { animation-delay: .18s; }
body.pt-reveal nav    { animation-delay: .12s; }

@keyframes ptContentIn {
    from { opacity: 0; transform: translateY(16px) scale(.985); filter: blur(4px); }
    to   { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

/* ─── تأثير الضغط السينمائي على الروابط والأزرار ─── */
a, button {
    -webkit-tap-highlight-color: transparent;
}
.nav-link, .glass-box a, a.cta-link, button {
    transition: transform .18s ease, opacity .18s ease, filter .18s ease;
}
.pt-clicking {
    transform: scale(.96);
    filter: brightness(1.15);
}

/* ─── انتقال ناعم لكل عناصر السمة عند التبديل بين الأنماط ─── */
html, body,
.glass-box, .glass, .ex-card, .bento-card, .rest-card, .cardio-card,
.tip-card, .streak-card, .predict-badge, header, footer, .bottom-nav,
input, select, button, .sel-btn, .day-tab {
    transition: background-color .45s ease, background-image .45s ease,
                color .35s ease, border-color .35s ease, box-shadow .35s ease;
}

/* ─── فلاش خفيف عند تبديل النمط ─── */
@keyframes themeFlash {
    0%   { opacity: 0; }
    35%  { opacity: .5; }
    100% { opacity: 0; }
}
.theme-flash {
    position: fixed; inset: 0; z-index: 9998;
    background: #fff;
    pointer-events: none;
    animation: themeFlash .5s ease;
}

/* ─── تحسين ظهور تبويبات الأيام والمحتوى (موجودة مسبقاً وتُدمج بسلاسة) ─── */
.day-tab, .sel-btn { will-change: transform; }
.day-tab:active, .sel-btn:active { transform: scale(.95); }

/* ─── شريط تمرير أنعم للصفحة كاملة ─── */
html { scroll-behavior: smooth; }