/* ============================================================
   Modal sheet positioning — migrated from base.html inline styles
   ============================================================ */
body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog,
body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog.modal-dialog-centered,
body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog.modal-dialog-centered.modal-dialog-scrollable {
    position: fixed;
    top: auto;
    bottom: 24px;
    left: 0;
    right: 0;
    margin: 0 auto;
    padding: 0;
    max-width: 480px;
    width: 92%;
    min-width: 0;
    min-height: 0;
    box-sizing: border-box;
    display: block;
    transform: translateY(calc(100% + 40px));
    opacity: 0;
    transition: transform 0.30s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.22s ease;
    pointer-events: none;
}

body.theme-apple .modal.fade.show:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog,
body.theme-apple .modal.fade.show:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog.modal-dialog-centered,
body.theme-apple .modal.fade.show:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog.modal-dialog-centered.modal-dialog-scrollable {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal),
body.theme-apple.modal-open {
    padding-right: 0;
    padding-left: 0;
}

@media (max-width: 767.98px) {
    body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) .modal-dialog {
        display: block;
        margin: 0 auto;
        max-height: none;
    }
    body.theme-apple .modal.fade:not(#fullscreenTimerModal):not(#fullscreenQRModal):not(#fullscreenLeaderboardModal) {
        padding: 0;
    }
}

/* Add-to-homescreen banner — migrated from base.html */
.add-to-homescreen-bottom {
    position: fixed;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
    left: 0;
    right: 0;
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    animation: slideUpFade 0.5s ease-out;
    margin: 0;
    padding: 0;
    overflow: visible;
}

.add-to-homescreen-bottom.show {
    display: flex;
    opacity: 1;
    visibility: visible;
}

@media (display-mode: standalone) {
    .add-to-homescreen-bottom {
        display: none;
        visibility: hidden;
        opacity: 0;
    }
}

.pwa-installed .add-to-homescreen-bottom {
    display: none;
    visibility: hidden;
    opacity: 0;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes scaleOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.8); }
}

.add-to-homescreen-bottom .add-to-homescreen-btn {
    pointer-events: auto;
    margin: 0 auto;
    display: block;
}

.add-to-homescreen-btn {
    background: #111827;
    border: none;
    border-radius: 25px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.3s ease;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.add-to-homescreen-btn:hover {
    background: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.5);
}

.add-to-homescreen-btn:active {
    transform: translateY(0);
}

.homescreen-glow-wrapper,
.invite-glow-wrapper {
    position: relative;
    display: inline-block;
}

.homescreen-glow-ring,
.invite-glow-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    box-shadow: 0 0 15px 5px rgba(255, 255, 255, 0.8);
    animation: glowFade 2s ease-in-out infinite;
}

.homescreen-glow-ring { border-radius: 25px; }
.invite-glow-ring { border-radius: 50px; }

.invite-glow-btn {
    position: relative;
    z-index: 1;
}

@keyframes glowFade {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

@keyframes pulseGlowSubtle {
    0% { box-shadow: 0 2px 8px rgba(255, 255, 255, 0.15); }
    50% { box-shadow: 0 4px 20px rgba(255, 255, 255, 0.4), 0 0 15px rgba(255, 255, 255, 0.3); }
    100% { box-shadow: 0 2px 8px rgba(255, 255, 255, 0.15); }
}

@media (max-width: 768px) {
    .add-to-homescreen-bottom {
        margin-bottom: 0;
    }

    html,
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }

    .navbar {
        padding-top: env(safe-area-inset-top);
    }

    .all-chats-container {
        padding-top: 0.5rem;
        padding-bottom: 1rem;
    }

    @media (display-mode: standalone) {
        body {
            padding-bottom: calc(96px + env(safe-area-inset-bottom));
            margin-bottom: 0;
            min-height: 100dvh;
        }

        html {
            overflow-x: hidden;
        }
    }
}